Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Cheyenne, WY
Issued by NWS Cheyenne, WY
336
FNUS55 KCYS 182107
FWFCYS
Fire Weather Planning Forecast for Southeast Wyoming/Western Nebraska
National Weather Service CHEYENNE WY
307 PM MDT Fri Sep 18 2026
.DISCUSSION...
No fire weather concerns this weekend through early
next week as subtropical moisture remains in place for much of the
forecast period. This will result in another good chance for wetting
rainfall today, Saturday, and Sunday. Temperatures will be seasonable
or slightly cooler than average with daytime minimum relative
humidities generally above 35 percent.
NEZ434-191015-
Pine Ridge/Nebraska National Forest-
307 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of showers until
2100. Slight chance of thunderstorms until
0300. Chance of showers after 2100 until 0300.
Patchy fog after 2400.
Min temperature.....57-62.
24 hr trend......2 degrees warmer.
Max humidity........92-98 percent.
24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northeast around 5 mph. Gusts up to 20 mph in
the evening.
Chc of wetting rain.20 percent.
Transport winds.....East around 10 mph.
Mixing height.......500-1700 ft AGL.
Smoke dispersal.....Poor (5900-9000 knot-ft).
.SATURDAY...
Sky/weather.........Mostly cloudy until 1500, then partly cloudy.
Patchy fog until 0800. Slight chance of showers
and thunderstorms after 1500.
Max temperature.....72-77.
24 hr trend......7 degrees cooler.
Min humidity........49-55 percent.
24 hr trend......18 percent wetter.
20-foot winds.......East around 5 mph. Gusts up to 20 mph in the
afternoon.
Chc of wetting rain.5 percent.
Transport winds.....East 5 to 10 mph.
Mixing height.......1000-3000 ft AGL.
Smoke dispersal.....Poor (7200-24000 knot-ft).
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy until 2100, then cloudy. Chance
of showers and slight chance of thunderstorms
after 2100.
Min temperature.....51-56.
24 hr trend......5 degrees cooler.
Max humidity........100 percent.
24 hr trend......4 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......East 5 to 10 mph. Gusts up to 25 mph decreasing
to 15 mph after midnight.
Chc of wetting rain.40 percent.
Transport winds.....East 10 to 15 mph.
Mixing height.......500-1900 ft AGL.
Smoke dispersal.....Poor (10900-16100 knot-ft).
.SUNDAY...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
until 1500. Chance of showers. Chance of
thunderstorms after 1500.
Max temperature.....63-68.
24 hr trend......9 degrees cooler.
Min humidity........70-76 percent.
24 hr trend......24 percent wetter.
20-foot winds.......East around 5 mph and gusty.
Chc of wetting rain.35 percent.
Transport winds.....Southeast around 10 mph shifting to the
northeast in the afternoon.
Mixing height.......900-2900 ft AGL.
Smoke dispersal.....Poor (11500-23700 knot-ft).
.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Mostly cloudy with showers and slight chance of
thunderstorms. Lows in the upper 40s. Highs in the mid 60s.
Northeast winds around 5 mph.
.TUESDAY...Partly cloudy. Lows around 50. Highs in the mid 70s.
Southeast winds around 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 70s. South
winds around 15 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 70s.
.FRIDAY...Partly cloudy. Lows in the mid 50s. Highs around 80.
$$
NEZ435-191015-
Box Butte/South Sioux/Niobrara River-
307 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of thunderstorms until
2400. Chance of showers until 0300. Patchy fog
after 2400.
Min temperature.....55-60.
24 hr trend......3 degrees warmer.
Max humidity........94-100 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......East around 5 mph.
Chc of wetting rain.25 percent.
Transport winds.....Northeast around 10 mph.
Mixing height.......400-1800 ft AGL.
Smoke dispersal.....Poor (5000-7500 knot-ft).
.SATURDAY...
Sky/weather.........Mostly cloudy until 0900, then partly cloudy.
Patchy fog until 0800.
Max temperature.....72-77.
24 hr trend......8 degrees cooler.
Min humidity........49-55 percent.
24 hr trend......25 percent wetter.
20-foot winds.......East around 5 mph and gusty.
Chc of wetting rain.5 percent.
Transport winds.....East 5 to 10 mph.
Mixing height.......500-2400 ft AGL increasing to 2800-4800 ft AGL
in the afternoon.
Smoke dispersal.....Poor (6500-23700 knot-ft).
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy until 2100, then mostly cloudy.
Chance of showers and slight chance of
thunderstorms after 2100.
Min temperature.....49-54.
24 hr trend......5 degrees cooler.
Max humidity........100 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......East around 5 mph.
Chc of wetting rain.25 percent.
Transport winds.....East around 10 mph.
Mixing height.......500-2100 ft AGL.
Smoke dispersal.....Poor (8100-14200 knot-ft).
.SUNDAY...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
until 1500. Chance of showersChance of
thunderstorms after 1500.
Max temperature.....63-68.
24 hr trend......9 degrees cooler.
Min humidity........66-72 percent.
24 hr trend......6 percent wetter.
20-foot winds.......East around 5 mph and gusty.
Chc of wetting rain.25 percent.
Transport winds.....Southeast around 10 mph shifting to the
southwest in the afternoon.
Mixing height.......1400-3400 ft AGL.
Smoke dispersal.....Poor (11900-31400 knot-ft).
.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the mid 40s. Highs in the mid 60s. Northeast winds around
5 mph.
.TUESDAY...Partly cloudy. Lows in the upper 40s. Highs around 70.
Southeast winds around 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the mid 70s. South
winds around 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the mid 70s.
.FRIDAY...Partly cloudy. Lows in the lower 50s. Highs in the mid
70s.
$$
NEZ436-191015-
Lower North Platte River Basin/Scottsbluff National Monument-
307 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy until 0300, then partly cloudy.
Chance of showers and thunderstorms until 2400,
then slight chance of showers. Patchy fog after
2400.
Min temperature.....56-61.
24 hr trend......3 degrees warmer.
Max humidity........91-97 percent.
24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northeast around 5 mph shifting to the
southeast after midnight. Gusts up to 15 mph.
Chc of wetting rain.25 percent.
Transport winds.....West around 10 mph.
Mixing height.......400-1600 ft AGL.
Smoke dispersal.....Poor (3500-6000 knot-ft).
.SATURDAY...
Sky/weather.........Partly cloudy until 1500, then mostly sunny.
Patchy fog until 0800. Slight chance of showers
and thunderstorms after 1500.
Max temperature.....75-80.
24 hr trend......7 degrees cooler.
Min humidity........38-44 percent.
24 hr trend......6 percent wetter.
20-foot winds.......East around 5 mph and gusty.
Chc of wetting rain.5 percent.
Transport winds.....West 5 to 10 mph.
Mixing height.......600-2600 ft AGL increasing to 2900-4900 ft AGL
in the afternoon.
Smoke dispersal.....Poor (6900-28600 knot-ft).
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy. Chance of showers until 2400.
Slight chance of thunderstorms. Slight chance
of showers after 2400.
Min temperature.....49-54.
24 hr trend......6 degrees cooler.
Max humidity........100 percent.
24 hr trend......4 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southeast around 5 mph.
Chc of wetting rain.25 percent.
Transport winds.....Southeast around 10 mph.
Mixing height.......500-1700 ft AGL.
Smoke dispersal.....Poor (5400-11900 knot-ft).
.SUNDAY...
Sky/weather.........Mostly cloudy until 1500, then partly cloudy.
Slight chance of showers and thunderstorms
until 1200, then chance of showers and
thunderstorms.
Max temperature.....65-70.
24 hr trend......10 degrees cooler.
Min humidity........60-66 percent.
24 hr trend......26 percent wetter.
20-foot winds.......East around 5 mph shifting to the north in the
afternoon. Gusts up to 15 mph.
Chc of wetting rain.15 percent.
Transport winds.....Southeast around 10 mph shifting to the
southwest in the afternoon.
Mixing height.......1700-3700 ft AGL.
Smoke dispersal.....Poor (13600-39700 knot-ft).
.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the mid 40s. Highs in the upper 60s.
North winds around 5 mph.
.TUESDAY...Partly cloudy. Lows in the upper 40s. Highs in the
lower 70s. Southeast winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the lower 50s. Highs in the
upper 70s. Southeast winds around 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
.FRIDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s.
$$
NEZ437-191015-
Lodgepole Creek/Southern Nebraska Panhandle-
307 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy until 0300, then partly cloudy.
Showers likely and chance of thunderstorms
until 2400Slight chance of showers and
thunderstorms after 2400. Patchy fog after
2400.
Min temperature.....55-60.
24 hr trend......Unchanged.
Max humidity........93-99 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......West around 5 mph.
Chc of wetting rain.30 percent.
Transport winds.....West around 10 mph.
Mixing height.......500-1800 ft AGL.
Smoke dispersal.....Poor (4100-6800 knot-ft).
.SATURDAY...
Sky/weather.........Partly cloudy. Patchy fog until 0800. Chance of
showers and thunderstorms after 1500.
Max temperature.....74-79.
24 hr trend......8 degrees cooler.
Min humidity........39-45 percent.
24 hr trend......11 percent wetter.
20-foot winds.......Southwest around 5 mph shifting to the east and
gusty in the afternoon.
Chc of wetting rain.10 percent.
Transport winds.....West 5 to 10 mph.
Mixing height.......700-2700 ft AGL increasing to 3000-5000 ft AGL
in the afternoon.
Smoke dispersal.....Poor (8000-33900 knot-ft).
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy. Slight chance of showers until
2100. Slight chance of thunderstorms until
2400. Chance of showers after 2100 until 2400.
Min temperature.....49-54.
24 hr trend......6 degrees cooler.
Max humidity........100 percent.
24 hr trend......4 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Northeast around 5 mph shifting to the
southeast after midnight.
Chc of wetting rain.20 percent.
Transport winds.....East around 15 mph shifting to the southwest
after midnight.
Mixing height.......500-2100 ft AGL.
Smoke dispersal.....Poor (7100-13300 knot-ft).
.SUNDAY...
Sky/weather.........Mostly cloudy until 1200, then partly cloudy.
Slight chance of showers. Slight chance of
thunderstorms after 1200.
Max temperature.....65-70.
24 hr trend......10 degrees cooler.
Min humidity........56-62 percent.
24 hr trend......20 percent wetter.
20-foot winds.......East around 5 mph shifting to the north in the
afternoon. Gusts up to 15 mph.
Chc of wetting rain.15 percent.
Transport winds.....East around 10 mph shifting to the southwest in
the afternoon.
Mixing height.......1800-3800 ft AGL.
Smoke dispersal.....Poor to fair (15400-40400 knot-ft).
.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the mid 40s. Highs in the upper 60s.
North winds around 5 mph.
.TUESDAY...Partly cloudy. Lows in the upper 40s. Highs in the
lower 70s. Southeast winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the lower 50s. Highs in the mid
70s. South winds around 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the mid 70s.
.FRIDAY...Partly cloudy. Lows in the lower 50s. Highs in the mid
70s.
$$
WYZ417-191015-
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-
307 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy until 0300, then partly cloudy.
Chance of thunderstorms until 2100. Chance of
showers until 2400. Slight chance of
thunderstorms after 2100 until 2400. Patchy fog
after 2400.
Min temperature.....54-59.
24 hr trend......3 degrees warmer.
Max humidity........93-99 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Southeast around 5 mph.
Chc of wetting rain.20 percent.
Transport winds.....South 10 to 15 mph.
Mixing height.......700-2700 ft AGL.
Smoke dispersal.....Poor (5200-15800 knot-ft).
.SATURDAY...
Sky/weather.........Partly cloudy. Patchy fog until 0800. Slight
chance of showers and thunderstorms after 1500.
Max temperature.....71-76.
24 hr trend......9 degrees cooler.
Min humidity........39-45 percent.
24 hr trend......16 percent wetter.
20-foot winds.......Southeast around 5 mph and gusty.
Chc of wetting rain.5 percent.
Transport winds.....South 5 to 10 mph.
Mixing height.......900-2900 ft AGL increasing to 3500-5500 ft AGL
in the afternoon.
Smoke dispersal.....Poor (8600-39100 knot-ft).
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy until 2100, then mostly cloudy.
Chance of thunderstorms until 2400. Chance of
showers. Slight chance of thunderstorms after
2400.
Min temperature.....48-53.
24 hr trend......4 degrees cooler.
Max humidity........100 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......East around 10 mph and gusty.
Chc of wetting rain.25 percent.
Transport winds.....East 10 to 15 mph.
Mixing height.......700-2500 ft AGL.
Smoke dispersal.....Poor (13100-19800 knot-ft).
.SUNDAY...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
until 1200. Chance of showers. Chance of
thunderstorms after 1200.
Max temperature.....61-66.
24 hr trend......10 degrees cooler.
Min humidity........64-70 percent.
24 hr trend......26 percent wetter.
20-foot winds.......Southeast around 5 mph shifting to the north in
the afternoon. Gusts up to 15 mph.
Chc of wetting rain.25 percent.
Transport winds.....Southeast around 10 mph shifting to the north
in the afternoon.
Mixing height.......1400-3400 ft AGL.
Smoke dispersal.....Poor (14500-28800 knot-ft).
.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Mostly cloudy. Showers likely and slight chance of
thunderstorms. Lows in the mid 40s. Highs in the upper 60s. East
winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the upper 40s. Highs in the mid
70s. Southeast winds around 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers. Lows in
the lower 50s. Highs in the upper 70s. Southeast winds around
10 mph.
.THURSDAY...Mostly clear. Lows in the lower 50s. Highs in the
upper 70s.
.FRIDAY...Partly cloudy. Lows in the lower 50s. Highs around 80.
$$
WYZ418-191015-
Middle North Platte River Basin/Niobrara and Converse High Plains-
307 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly cloudy.
Chance of thunderstorms until 2100. Chance of
showers until 2400. Slight chance of
thunderstorms after 2100 until 2400. Patchy fog
after 2400.
Min temperature.....52-57.
24 hr trend......4 degrees warmer.
Max humidity........91-97 percent.
24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southeast around 5 mph shifting to the
southwest after midnight.
Chc of wetting rain.15 percent.
Transport winds.....Southwest around 10 mph.
Mixing height.......600-2600 ft AGL.
Smoke dispersal.....Poor (4700-11500 knot-ft).
.SATURDAY...
Sky/weather.........Partly cloudy. Patchy fog until 0800. Chance of
showers and thunderstorms after 1500.
Max temperature.....70-75.
24 hr trend......10 degrees cooler.
Min humidity........38-44 percent.
24 hr trend......8 percent wetter.
20-foot winds.......West around 5 mph shifting to the south in the
afternoon. Gusts up to 15 mph.
Chc of wetting rain.10 percent.
Transport winds.....West 5 to 10 mph.
Mixing height.......1000-3000 ft AGL increasing to 3800-5800 ft AGL
in the afternoon.
Smoke dispersal.....Poor to fair (9200-47600 knot-ft).
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy until 2400, then mostly cloudy.
Chance of showers and thunderstorms until
2100Slight chance of showers and thunderstorms
after 2100.
Min temperature.....46-51.
24 hr trend......7 degrees cooler.
Max humidity........94-100 percent.
24 hr trend......4 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southeast around 5 mph.
Chc of wetting rain.20 percent.
Transport winds.....East around 10 mph.
Mixing height.......700-2700 ft AGL.
Smoke dispersal.....Poor (6400-13900 knot-ft).
.SUNDAY...
Sky/weather.........Mostly cloudy until 1200, then partly cloudy
until 1500, then mostly cloudy. Slight chance
of showers and thunderstorms until 1200, then
chance of showers and thunderstorms.
Max temperature.....61-66.
24 hr trend......8 degrees cooler.
Min humidity........58-64 percent.
24 hr trend......20 percent wetter.
20-foot winds.......Northwest around 5 mph and gusty.
Chc of wetting rain.15 percent.
Transport winds.....West 10 to 15 mph.
Mixing height.......1200-3200 ft AGL increasing to 3200-5200 ft AGL
in the afternoon.
Smoke dispersal.....Poor to fair (16700-53400 knot-ft).
.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the mid 40s. Highs in the upper 60s.
Northwest winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
70s. Southeast winds around 5 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the mid 70s. South
winds around 5 mph.
.THURSDAY...Partly cloudy. Lows around 50. Highs in the upper
70s.
.FRIDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s.
$$
WYZ419-191015-
North Laramie Range and Adjacent High Plains-
307 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly cloudy.
Chance of showers and thunderstorms until 2100.
Min temperature.....48-54.
24 hr trend......1 degree warmer.
Max humidity........81-87 percent.
24 hr trend......3 percent drier.
Humidity recovery...Good.
20-foot winds.......Southwest around 5 mph.
Chc of wetting rain.15 percent.
Transport winds.....West around 10 mph.
Mixing height.......300-2000 ft AGL.
Smoke dispersal.....Poor (5600-8200 knot-ft).
.SATURDAY...
Sky/weather.........Partly cloudy until 0900, then mostly cloudy
until 1200, then partly cloudy. Chance of
showers after 0900 until 1200, then chance of
showers and thunderstorms after 1500.
Max temperature.....62-70.
24 hr trend......8 degrees cooler.
Min humidity........38-44 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Southwest around 5 mph and gusty.
Chc of wetting rain.15 percent.
Transport winds.....West around 15 mph.
Mixing height.......1200-3200 ft AGL increasing to 3600-5600 ft AGL
in the afternoon.
Smoke dispersal.....Poor to good (18300-62800 knot-ft).
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms until 2400.
Min temperature.....42-48.
24 hr trend......6 degrees cooler.
Max humidity........86-92 percent.
24 hr trend......10 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest around 5 mph.
Chc of wetting rain.10 percent.
Transport winds.....West 10 to 15 mph.
Mixing height.......1000-3000 ft AGL decreasing to 500-1000 ft AGL
after midnight.
Smoke dispersal.....Poor (6700-11000 knot-ft).
.SUNDAY...
Sky/weather.........Partly cloudy until 1500, then mostly cloudy.
Slight chance of showers and thunderstorms
after 1200.
Max temperature.....55-63.
24 hr trend......7 degrees cooler.
Min humidity........53-59 percent.
24 hr trend......25 percent wetter.
20-foot winds.......West around 10 mph with higher gusts.
Chc of wetting rain.5 percent.
Transport winds.....West around 15 mph.
Mixing height.......1800-3800 ft AGL increasing to 4100-6100 ft AGL
in the afternoon.
Smoke dispersal.....Poor (25100 knot-ft) increasing to good (78600
knot-ft) in the afternoon.
.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Slight chance of showers. Lows in the
lower 40s. Highs in the mid 60s. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the mid 40s. Highs in the lower
70s. South winds around 5 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 70s.
Southwest winds around 5 mph.
.THURSDAY...Partly cloudy. Lows around 50. Highs in the lower
70s.
.FRIDAY...Partly cloudy with slight chance of showers. Lows in
the lower 50s. Highs in the mid 70s.
$$
WYZ420-191015-
North Laramie Valley/Shirley Basin-
307 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy until 2100, then partly cloudy.
Chance of showers and slight chance of
thunderstorms until 2100.
Min temperature.....46-51.
24 hr trend......Unchanged.
Max humidity........88-94 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......South around 5 mph. Gusts up to 20 mph in the
evening.
Chc of wetting rain.10 percent.
Transport winds.....Southwest around 10 mph.
Mixing height.......600-2600 ft AGL.
Smoke dispersal.....Poor (4500-8800 knot-ft).
.SATURDAY...
Sky/weather.........Partly cloudy until 0900, then mostly cloudy
until 1200, then partly cloudy until 1500, then
mostly cloudy. Slight chance of showers after
0900 until 1200, then slight chance of showers
and thunderstorms after 1500.
Max temperature.....62-67.
24 hr trend......11 degrees cooler.
Min humidity........36-42 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Southwest 5 to 10 mph and gusty.
Chc of wetting rain.10 percent.
Transport winds.....West around 15 mph.
Mixing height.......900-2900 ft AGL increasing to 4300-6300 ft AGL
in the afternoon.
Smoke dispersal.....Poor (16800 knot-ft) increasing to good (84700
knot-ft) in the afternoon.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy. Chance of showers and slight
chance of thunderstorms until 2100, then slight
chance of showers until 2400.
Min temperature.....39-44.
24 hr trend......7 degrees cooler.
Max humidity........93-99 percent.
24 hr trend......7 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest 5 to 10 mph. Gusts up to 25 mph
decreasing to 15 mph after midnight.
Chc of wetting rain.15 percent.
Transport winds.....West around 10 mph.
Mixing height.......1400-3400 ft AGL decreasing to 500-1000 ft AGL
after midnight.
Smoke dispersal.....Poor (5800-16100 knot-ft).
.SUNDAY...
Sky/weather.........Partly cloudy.
Max temperature.....58-63.
24 hr trend......4 degrees cooler.
Min humidity........45-51 percent.
24 hr trend......11 percent wetter.
20-foot winds.......West around 10 mph and gusty.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing height.......1900-3900 ft AGL increasing to 4900-6900 ft AGL
in the afternoon.
Smoke dispersal.....Poor (27300 knot-ft) increasing to very good
(101400 knot-ft) in the afternoon.
.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Mostly clear. Lows in the upper 30s. Highs in the mid
60s. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the lower 40s. Highs in the
lower 70s. South winds around 5 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers. Lows in
the mid 40s. Highs in the lower 70s. Southwest winds around
5 mph.
.THURSDAY...Partly cloudy. Lows in the mid 40s. Highs in the
lower 70s.
.FRIDAY...Partly cloudy with slight chance of showers. Lows in
the mid 40s. Highs in the mid 70s.
$$
WYZ421-191015-
Ferris/Seminoe/Shirley Mountains-
307 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy until 2100, then partly cloudy
until 2400, then mostly cloudy until 0300, then
partly cloudy. Slight chance of showers and
thunderstorms after 2100 until 2400.
Min temperature.....48-53.
24 hr trend......1 degree warmer.
Max humidity........83-89 percent.
24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest around 5 mph.
Chc of wetting rain.5 percent.
Transport winds.....Southwest around 10 mph.
Mixing height.......600-2600 ft AGL.
Smoke dispersal.....Poor (5500-13000 knot-ft).
.SATURDAY...
Sky/weather.........Mostly cloudy until 0900, then partly cloudy
until 1200, then mostly sunny until 1500, then
partly cloudy. Slight chance of showers and
thunderstorms after 1500.
Max temperature.....60-66.
24 hr trend......8 degrees cooler.
Min humidity........39-45 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Southwest 5 to 10 mph with higher gusts.
Chc of wetting rain.10 percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing height.......1100-3100 ft AGL increasing to 5000-7000 ft AGL
in the afternoon.
Smoke dispersal.....Poor (21300 knot-ft) increasing to very good
(102900 knot-ft) in the afternoon.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy until 2400, then mostly cloudy
until 0300, then partly cloudy. Chance of
showers and slight chance of thunderstorms
until 2100. Slight chance of showers after
2400.
Min temperature.....40-45.
24 hr trend......7 degrees cooler.
Max humidity........87-93 percent.
24 hr trend......4 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest 5 to 10 mph. Gusts up to 25 mph
decreasing to 15 mph after midnight.
Chc of wetting rain.10 percent.
Transport winds.....West 10 to 15 mph.
Mixing height.......1100-3100 ft AGL.
Smoke dispersal.....Poor (8500-21200 knot-ft).
.SUNDAY...
Sky/weather.........Partly cloudy.
Max temperature.....55-63.
24 hr trend......7 degrees cooler.
Min humidity........47-53 percent.
24 hr trend......3 percent wetter.
20-foot winds.......West around 5 mph and gusty.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing height.......1500-3500 ft AGL increasing to 4800-6200 ft AGL
in the afternoon.
Smoke dispersal.....Poor (19900 knot-ft) increasing to good (79800
knot-ft) in the afternoon.
.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Mostly clear. Lows around 40. Highs in the mid 60s.
West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the lower 40s. Highs in the
lower 70s. South winds around 5 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers. Lows in
the upper 40s. Highs around 70. Southwest winds around 5 mph.
.THURSDAY...Partly cloudy. Lows in the mid 40s. Highs in the
lower 70s.
.FRIDAY...Partly cloudy. Lows in the upper 40s. Highs in the mid
70s.
$$
WYZ422-191015-
Central and West Carbon-
307 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy until 2100, then partly cloudy
until 2400, then mostly cloudy until 0300, then
partly cloudy. Slight chance of thunderstorms
after 2100 until 2400. Slight chance of showers
after 2100 until 0300, then chance of showers.
Min temperature.....47-52.
24 hr trend......1 degree warmer.
Max humidity........85-91 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest around 5 mph. Gusts up to 25 mph
decreasing to 15 mph after midnight.
Chc of wetting rain.5 percent.
Transport winds.....Southwest around 10 mph.
Mixing height.......1100-3100 ft AGL decreasing to 600 ft AGL after
midnight.
Smoke dispersal.....Poor (5800-13200 knot-ft).
.SATURDAY...
Sky/weather.........Mostly cloudy until 0900, then partly cloudy.
Slight chance of showers until 0900. Chance of
showers and thunderstorms after 1500.
Max temperature.....60-66.
24 hr trend......10 degrees cooler.
Min humidity........41-47 percent.
24 hr trend......11 percent wetter.
20-foot winds.......Southwest around 10 mph with higher gusts.
Chc of wetting rain.15 percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing height.......1500-3500 ft AGL increasing to 4800-6800 ft AGL
in the afternoon.
Smoke dispersal.....Poor (22300 knot-ft) increasing to very good
(101800 knot-ft) in the afternoon.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy until 2400, then mostly cloudy
until 0300, then partly cloudy. Slight chance
of showers and thunderstorms until 2100Slight
chance of showers after 2400.
Min temperature.....39-44.
24 hr trend......9 degrees cooler.
Max humidity........88-94 percent.
24 hr trend......7 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest 5 to 10 mph. Gusts up to 25 mph
decreasing to 15 mph after midnight.
Chc of wetting rain.5 percent.
Transport winds.....West 10 to 15 mph.
Mixing height.......900-2900 ft AGL.
Smoke dispersal.....Poor (8700-18100 knot-ft).
.SUNDAY...
Sky/weather.........Mostly cloudy until 0900, then partly cloudy.
Max temperature.....59-64.
24 hr trend......2 degrees cooler.
Min humidity........39-45 percent.
24 hr trend......4 percent drier.
20-foot winds.......West 5 to 10 mph and gusty.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph increasing to around 20 mph
in the afternoon.
Mixing height.......1700-3700 ft AGL increasing to 5200-7000 ft AGL
in the afternoon.
Smoke dispersal.....Poor (22500 knot-ft) increasing to very good
(100900 knot-ft) in the afternoon.
.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Mostly clear. Lows in the upper 30s. Highs in the upper
60s. Southwest winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the lower 40s. Highs in the
lower 70s. South winds around 5 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs around 70. Southwest
winds around 5 mph.
.THURSDAY...Partly cloudy. Lows in the mid 40s. Highs in the
lower 70s.
.FRIDAY...Partly cloudy. Lows in the mid 40s. Highs in the mid
70s.
$$
WYZ423-191015-
Southwest Carbon County-
307 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Partly cloudy until 2400, then mostly cloudy.
Chance of showers and thunderstorms until
2100Slight chance of showers and thunderstorms
after 2100 until 2400, then chance of showers.
Min temperature.....46-51.
24 hr trend......Unchanged.
Max humidity........91-97 percent.
24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......South 5 to 10 mph. Gusts up to 25 mph
decreasing to 15 mph after midnight.
Chc of wetting rain.15 percent.
Transport winds.....South around 10 mph.
Mixing height.......1100-3100 ft AGL decreasing to 500-1000 ft AGL
after midnight.
Smoke dispersal.....Poor (5900-12500 knot-ft).
.SATURDAY...
Sky/weather.........Mostly cloudy until 0900, then partly cloudy
until 1500, then mostly cloudy. Slight chance
of showers until 0900. Chance of showers and
thunderstorms after 1500.
Max temperature.....60-65.
24 hr trend......9 degrees cooler.
Min humidity........52-58 percent.
24 hr trend......10 percent wetter.
20-foot winds.......Southwest 5 to 10 mph and gusty.
Chc of wetting rain.15 percent.
Transport winds.....South 10 to 15 mph.
Mixing height.......1000-3000 ft AGL increasing to 3800-5800 ft AGL
in the afternoon.
Smoke dispersal.....Poor (15500 knot-ft) increasing to good (71800
knot-ft) in the afternoon.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy until 2100, then mostly cloudy
until 2400, then partly cloudy until 0300, then
mostly cloudy. Chance of showers after 2100
until 2400.
Min temperature.....37-42.
24 hr trend......8 degrees cooler.
Max humidity........94-100 percent.
24 hr trend......4 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest around 5 mph. Gusts up to 20 mph in
the evening.
Chc of wetting rain.5 percent.
Transport winds.....West 5 to 10 mph.
Mixing height.......600-2600 ft AGL.
Smoke dispersal.....Poor (3600-11100 knot-ft).
.SUNDAY...
Sky/weather.........Mostly cloudy until 0900, then partly cloudy
until 1200, then mostly sunny until 1500, then
partly cloudy.
Max temperature.....60-65.
24 hr trend......1 degree warmer.
Min humidity........37-43 percent.
24 hr trend......14 percent drier.
20-foot winds.......West around 5 mph and gusty.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph.
Mixing height.......1600-3600 ft AGL increasing to 5500-7000 ft AGL
in the afternoon.
Smoke dispersal.....Poor (17000 knot-ft) increasing to good (86400
knot-ft) in the afternoon.
.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Mostly clear. Lows in the upper 30s. Highs in the upper
60s. South winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the lower 40s. Highs in the
lower 70s. South winds around 5 mph.
.WEDNESDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the lower 40s. Highs in the
upper 60s. South winds around 5 mph.
.THURSDAY...Partly cloudy. Lows in the lower 40s. Highs in the
lower 70s.
.FRIDAY...Partly cloudy with slight chance of showers. Lows in
the mid 40s. Highs in the lower 70s.
$$
WYZ424-191015-
Sierra Madre Range/Medicine Bow NF-
307 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Partly cloudy until 2400, then mostly cloudy
until 0300, then partly cloudy. Chance of
showers after 2400 until 0300, then showers
likely.
Min temperature.....42-47.
24 hr trend......2 degrees cooler.
Max humidity........88-94 percent.
24 hr trend......11 percent drier.
Humidity recovery...Excellent.
20-foot winds.......South around 5 mph.
Chc of wetting rain.20 percent.
Transport winds.....Southwest around 10 mph.
Mixing height.......500-2400 ft AGL.
Smoke dispersal.....Poor (5300-8200 knot-ft).
.SATURDAY...
Sky/weather.........Cloudy until 0900, then partly cloudy. Slight
chance of thunderstorms until 1200. Chance of
showers. Chance of thunderstorms after 1200.
Max temperature.....51-59.
24 hr trend......9 degrees cooler.
Min humidity........56-62 percent.
24 hr trend......15 percent wetter.
20-foot winds.......Southwest 5 to 10 mph with higher gusts.
Chc of wetting rain.25 percent.
Transport winds.....South around 10 mph increasing to southwest
around 20 mph in the afternoon.
Mixing height.......1400-3400 ft AGL increasing to 3400-5400 ft AGL
in the afternoon.
Smoke dispersal.....Poor (19800 knot-ft) increasing to good (79700
knot-ft) in the afternoon.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy. Chance of showers after 2100
until 2400.
Min temperature.....34-40.
24 hr trend......8 degrees cooler.
Max humidity........91-97 percent.
24 hr trend......11 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest around 5 mph. Gusts up to 20 mph in
the evening.
Chc of wetting rain.10 percent.
Transport winds.....Southwest 5 to 10 mph.
Mixing height.......700-2700 ft AGL decreasing to 600 ft AGL after
midnight.
Smoke dispersal.....Poor (3600-10900 knot-ft).
.SUNDAY...
Sky/weather.........Mostly cloudy until 0900, then partly cloudy.
Chance of showers until 1200.
Max temperature.....50-58.
24 hr trend......2 degrees cooler.
Min humidity........45-51 percent.
24 hr trend......17 percent drier.
20-foot winds.......Southwest around 5 mph and gusty.
Chc of wetting rain.5 percent.
Transport winds.....Southwest around 10 mph increasing to west
around 20 mph in the afternoon.
Mixing height.......1500-3500 ft AGL increasing to 5000-6300 ft AGL
in the afternoon.
Smoke dispersal.....Poor (18800 knot-ft) increasing to good (89400
knot-ft) in the afternoon.
.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Mostly clear. Lows in the mid 30s. Highs in the lower
60s. Southwest winds around 5 mph.
.TUESDAY...Mostly clear. Lows around 40. Highs in the mid 60s.
South winds around 5 mph.
.WEDNESDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the lower 40s. Highs in the
lower 60s. South winds around 5 mph.
.THURSDAY...Partly cloudy. Lows in the lower 40s. Highs in the
mid 60s.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the mid 60s.
$$
WYZ425-191015-
Upper North Platte River Basin-
307 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Partly cloudy until 2400, then mostly cloudy
until 0300, then partly cloudy. Slight chance
of showers and thunderstorms until 2400Chance
of showers after 2400.
Min temperature.....46-51.
24 hr trend......1 degree warmer.
Max humidity........85-91 percent.
24 hr trend......11 percent drier.
Humidity recovery...Excellent.
20-foot winds.......South around 5 mph.
Chc of wetting rain.10 percent.
Transport winds.....South around 10 mph.
Mixing height.......800-2800 ft AGL decreasing to 600 ft AGL after
midnight.
Smoke dispersal.....Poor (4700-8600 knot-ft).
.SATURDAY...
Sky/weather.........Mostly cloudy until 0900, then partly cloudy.
Chance of showers until 0900. Slight chance of
showers after 0900. Slight chance of
thunderstorms after 1200.
Max temperature.....62-67.
24 hr trend......7 degrees cooler.
Min humidity........36-42 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Southwest 5 to 10 mph with higher gusts.
Chc of wetting rain.15 percent.
Transport winds.....South around 10 mph increasing to southwest
around 20 mph in the afternoon.
Mixing height.......1700-3700 ft AGL increasing to 4300-6300 ft AGL
in the afternoon.
Smoke dispersal.....Poor (21700 knot-ft) increasing to good (93300
knot-ft) in the afternoon.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....37-42.
24 hr trend......9 degrees cooler.
Max humidity........92-98 percent.
24 hr trend......11 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest around 5 mph. Gusts up to 25 mph in
the evening.
Chc of wetting rain.5 percent.
Transport winds.....Southwest 5 to 10 mph.
Mixing height.......1100-3100 ft AGL decreasing to 500-1100 ft AGL
after midnight.
Smoke dispersal.....Poor (3900-12700 knot-ft).
.SUNDAY...
Sky/weather.........Partly cloudy. Chance of showers until 1200.
Max temperature.....59-64.
24 hr trend......5 degrees cooler.
Min humidity........34-40 percent.
24 hr trend......1 percent drier.
20-foot winds.......Southwest 5 to 10 mph.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph increasing to west
around 20 mph in the afternoon.
Mixing height.......1800-3800 ft AGL increasing to 5700-7100 ft AGL
in the afternoon.
Smoke dispersal.....Poor (19900 knot-ft) increasing to very good
(104300 knot-ft) in the afternoon.
.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Mostly clear. Lows in the upper 30s. Highs in the upper
60s. Southwest winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the upper 30s. Highs in the
lower 70s. South winds around 5 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the upper 60s.
Southwest winds around 5 mph.
.THURSDAY...Partly cloudy. Lows in the lower 40s. Highs in the
lower 70s.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the mid 70s.
$$
WYZ426-191015-
Snowy Range/Medicine Bow NF-
307 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy until 2100, then partly cloudy.
Slight chance of thunderstorms until 2400.
Chance of showers.
Min temperature.....41-47.
24 hr trend......3 degrees warmer.
Max humidity........87-93 percent.
24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Southwest around 5 mph.
Chc of wetting rain.15 percent.
Transport winds.....Southwest around 10 mph.
Mixing height.......500-2300 ft AGL.
Smoke dispersal.....Poor (5600-7200 knot-ft).
.SATURDAY...
Sky/weather.........Mostly cloudy until 0900, then partly cloudy
until 1500, then mostly cloudy. Showers likely
until 0900. Slight chance of showers after
0900. Slight chance of thunderstorms after
1200.
Max temperature.....52-60.
24 hr trend......8 degrees cooler.
Min humidity........47-53 percent.
24 hr trend......2 percent wetter.
20-foot winds.......Southwest 5 to 10 mph with higher gusts.
Chc of wetting rain.10 percent.
Transport winds.....Southwest 15 to 20 mph.
Mixing height.......1500-3500 ft AGL increasing to 3900-5900 ft AGL
in the afternoon.
Smoke dispersal.....Poor (25300 knot-ft) increasing to good (91700
knot-ft) in the afternoon.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms until 2100.
Min temperature.....32-40.
24 hr trend......12 degrees cooler.
Max humidity........92-98 percent.
24 hr trend......4 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest around 5 mph.
Chc of wetting rain.5 percent.
Transport winds.....Southwest around 10 mph.
Mixing height.......900-2900 ft AGL decreasing to 400-900 ft AGL
after midnight.
Smoke dispersal.....Poor (4500-12500 knot-ft).
.SUNDAY...
Sky/weather.........Partly cloudy. Chance of showers until 1200.
Max temperature.....49-57.
24 hr trend......2 degrees cooler.
Min humidity........49-55 percent.
24 hr trend......8 percent wetter.
20-foot winds.......West 5 to 10 mph and gusty.
Chc of wetting rain.5 percent.
Transport winds.....West around 10 mph increasing to around 20 mph
in the afternoon.
Mixing height.......1800-3800 ft AGL increasing to 5100-6800 ft AGL
in the afternoon.
Smoke dispersal.....Poor (27000 knot-ft) increasing to very good
(103900 knot-ft) in the afternoon.
.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Mostly clear. Lows in the mid 30s. Highs in the lower
60s. Southwest winds around 5 mph.
.TUESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 30s. Highs in the mid 60s.
Southwest winds around 5 mph.
.WEDNESDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows around 40. Highs in the lower 60s.
Southwest winds around 5 mph.
.THURSDAY...Partly cloudy. Lows in the upper 30s. Highs in the
mid 60s.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the mid 60s.
$$
WYZ427-191015-
North Snowy Range Foothills-
307 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy until 2100, then partly cloudy.
Slight chance of showers and thunderstorms
until 2400Slight chance of showers after 0300.
Min temperature.....47-52.
24 hr trend......1 degree cooler.
Max humidity........79-85 percent.
24 hr trend......Unchanged.
Humidity recovery...Good.
20-foot winds.......Southwest around 5 mph.
Chc of wetting rain.10 percent.
Transport winds.....Southwest around 10 mph.
Mixing height.......500-2200 ft AGL.
Smoke dispersal.....Poor (5800-7100 knot-ft).
.SATURDAY...
Sky/weather.........Mostly cloudy until 0900, then partly cloudy
until 1500, then mostly cloudy. Chance of
showers until 0900. Slight chance of showers
and thunderstorms after 1200.
Max temperature.....63-68.
24 hr trend......6 degrees cooler.
Min humidity........33-39 percent.
24 hr trend......3 percent wetter.
20-foot winds.......Southwest 5 to 10 mph with higher gusts.
Chc of wetting rain.10 percent.
Transport winds.....Southwest around 10 mph increasing to west
around 20 mph in the afternoon.
Mixing height.......1700-3700 ft AGL increasing to 4500-6500 ft AGL
in the afternoon.
Smoke dispersal.....Poor (20200 knot-ft) increasing to good (94200
knot-ft) in the afternoon.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms until 2100.
Min temperature.....41-46.
24 hr trend......7 degrees cooler.
Max humidity........84-90 percent.
24 hr trend......6 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest 5 to 10 mph. Gusts up to 25 mph
decreasing to 15 mph after midnight.
Chc of wetting rain.10 percent.
Transport winds.....West around 10 mph.
Mixing height.......700-2700 ft AGL.
Smoke dispersal.....Poor (6000-13000 knot-ft).
.SUNDAY...
Sky/weather.........Partly cloudy.
Max temperature.....57-62.
24 hr trend......7 degrees cooler.
Min humidity........40-46 percent.
24 hr trend......7 percent wetter.
20-foot winds.......West around 10 mph and gusty.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing height.......2000-4000 ft AGL increasing to 5700-7700 ft AGL
in the afternoon.
Smoke dispersal.....Poor (31600 knot-ft) increasing to very good
(123300 knot-ft) in the afternoon.
.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Mostly clear. Lows around 40. Highs in the mid 60s.
West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the lower 40s. Highs in the
lower 70s. Southwest winds around 5 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs around 70. Southwest
winds around 5 mph.
.THURSDAY...Partly cloudy. Lows in the mid 40s. Highs in the
lower 70s.
.FRIDAY...Partly cloudy. Lows in the upper 40s. Highs in the
lower 70s.
$$
WYZ428-191015-
Southern Laramie Valley-
307 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly cloudy.
Chance of showers and slight chance of
thunderstorms until 2100, then slight chance of
showers until 2400Slight chance of showers
after 0300.
Min temperature.....46-51.
24 hr trend......Unchanged.
Max humidity........84-90 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......South around 5 mph.
Chc of wetting rain.10 percent.
Transport winds.....Southwest around 10 mph.
Mixing height.......500-2000 ft AGL.
Smoke dispersal.....Poor (4400-6200 knot-ft).
.SATURDAY...
Sky/weather.........Partly cloudy until 1500, then mostly cloudy.
Chance of showers until 0900. Slight chance of
showers after 0900. Slight chance of
thunderstorms after 1200.
Max temperature.....63-68.
24 hr trend......8 degrees cooler.
Min humidity........32-38 percent.
24 hr trend......4 percent wetter.
20-foot winds.......Southwest 5 to 10 mph. Gusts up to 15 mph
increasing to 25 mph in the afternoon.
Chc of wetting rain.10 percent.
Transport winds.....Southwest 10 to 15 mph.
Mixing height.......1500-3500 ft AGL increasing to 3800-5800 ft AGL
in the afternoon.
Smoke dispersal.....Poor to good (18100-66500 knot-ft).
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms until 2100. Slight chance of
showers after 2400.
Min temperature.....40-45.
24 hr trend......6 degrees cooler.
Max humidity........89-95 percent.
24 hr trend......14 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest around 5 mph. Gusts up to 20 mph in
the evening.
Chc of wetting rain.10 percent.
Transport winds.....Southwest around 10 mph.
Mixing height.......700-2700 ft AGL decreasing to 600 ft AGL after
midnight.
Smoke dispersal.....Poor (4200-8500 knot-ft).
.SUNDAY...
Sky/weather.........Partly cloudy. Slight chance of showers until
1200.
Max temperature.....59-64.
24 hr trend......5 degrees cooler.
Min humidity........40-46 percent.
24 hr trend......8 percent wetter.
20-foot winds.......West 5 to 10 mph and gusty.
Chc of wetting rain.5 percent.
Transport winds.....West around 10 mph increasing to around 20 mph
in the afternoon.
Mixing height.......2000-4000 ft AGL increasing to 5400-7400 ft AGL
in the afternoon.
Smoke dispersal.....Poor (23000 knot-ft) increasing to very good
(110200 knot-ft) in the afternoon.
.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Mostly clear. Lows in the upper 30s. Highs in the mid
60s. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the lower 40s. Highs in the
lower 70s. South winds around 5 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the lower 70s.
Southwest winds around 5 mph.
.THURSDAY...Partly cloudy. Lows in the mid 40s. Highs in the
lower 70s.
.FRIDAY...Partly cloudy. Lows in the mid 40s. Highs in the lower
70s.
$$
WYZ429-191015-
Southern Laramie Range-
307 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly cloudy.
Chance of showers and slight chance of
thunderstorms until 2100. Slight chance of
showers after 0300.
Min temperature.....46-51.
24 hr trend......2 degrees cooler.
Max humidity........82-88 percent.
24 hr trend......6 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest around 5 mph.
Chc of wetting rain.10 percent.
Transport winds.....West around 10 mph.
Mixing height.......500-1500 ft AGL.
Smoke dispersal.....Poor (5600-5900 knot-ft).
.SATURDAY...
Sky/weather.........Partly cloudy until 0900, then mostly cloudy
until 1200, then partly cloudy until 1500, then
mostly cloudy. Chance of showers. Chance of
thunderstorms after 1200.
Max temperature.....60-65.
24 hr trend......11 degrees cooler.
Min humidity........36-42 percent.
24 hr trend......4 percent wetter.
20-foot winds.......West 5 to 10 mph and gusty.
Chc of wetting rain.15 percent.
Transport winds.....West around 15 mph.
Mixing height.......2200-4200 ft AGL.
Smoke dispersal.....Poor to fair (19900-51700 knot-ft).
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms until 2100, then slight chance of
showers after 2400.
Min temperature.....41-46.
24 hr trend......6 degrees cooler.
Max humidity........83-89 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......West around 5 mph.
Chc of wetting rain.10 percent.
Transport winds.....West around 10 mph.
Mixing height.......400-2100 ft AGL.
Smoke dispersal.....Poor (6100-7600 knot-ft).
.SUNDAY...
Sky/weather.........Partly cloudy. Slight chance of showers until
1200Chance of showers and thunderstorms after
1200.
Max temperature.....56-61.
24 hr trend......5 degrees cooler.
Min humidity........44-50 percent.
24 hr trend......8 percent wetter.
20-foot winds.......West around 10 mph and gusty.
Chc of wetting rain.5 percent.
Transport winds.....West 15 to 20 mph.
Mixing height.......1800-3800 ft AGL increasing to 5300-7000 ft AGL
in the afternoon.
Smoke dispersal.....Poor (26300 knot-ft) increasing to very good
(102500 knot-ft) in the afternoon.
.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Mostly clear. Lows around 40. Highs in the lower 60s.
West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the mid 40s. Highs in the upper
60s. South winds around 5 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the upper 60s.
Southwest winds around 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the upper 60s.
.FRIDAY...Partly cloudy with slight chance of showers. Lows in
the upper 40s. Highs in the upper 60s.
$$
WYZ430-191015-
Laramie Foothills and High Plains-
307 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly cloudy.
Slight chance of showers and thunderstorms
until 2100.
Min temperature.....50-55.
24 hr trend......1 degree cooler.
Max humidity........86-92 percent.
24 hr trend......3 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......West around 5 mph.
Chc of wetting rain.10 percent.
Transport winds.....West around 10 mph.
Mixing height.......500-1400 ft AGL.
Smoke dispersal.....Poor (4300-5900 knot-ft).
.SATURDAY...
Sky/weather.........Partly cloudy until 1500, then mostly cloudy.
Slight chance of showers until 1500. Slight
chance of thunderstorms after 1200 until 1500,
then chance of showers and thunderstorms.
Max temperature.....68-73.
24 hr trend......11 degrees cooler.
Min humidity........31-37 percent.
24 hr trend......1 percent wetter.
20-foot winds.......West around 5 mph and gusty.
Chc of wetting rain.20 percent.
Transport winds.....West around 10 mph.
Mixing height.......2500-4500 ft AGL.
Smoke dispersal.....Poor to fair (16700-45500 knot-ft).
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of showers and
thunderstorms until 2100Slight chance of
showers after 2400.
Min temperature.....43-48.
24 hr trend......7 degrees cooler.
Max humidity........92-98 percent.
24 hr trend......10 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......Southwest around 5 mph.
Chc of wetting rain.10 percent.
Transport winds.....West 10 to 15 mph.
Mixing height.......500-1500 ft AGL.
Smoke dispersal.....Poor (6900-7700 knot-ft).
.SUNDAY...
Sky/weather.........Mostly cloudy until 0900, then partly cloudy.
Slight chance of thunderstorms after 1200 until
1500. Chance of showers after 1200. Chance of
thunderstorms after 1500.
Max temperature.....62-67.
24 hr trend......5 degrees cooler.
Min humidity........40-46 percent.
24 hr trend......11 percent wetter.
20-foot winds.......Northwest around 5 mph and gusty.
Chc of wetting rain.10 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing height.......1900-3900 ft AGL increasing to 4700-6700 ft AGL
in the afternoon.
Smoke dispersal.....Poor (22600 knot-ft) increasing to good (77900
knot-ft) in the afternoon.
.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Mostly clear. Lows in the lower 40s. Highs in the mid
60s. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the mid 40s. Highs in the lower
70s. South winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the upper 40s. Highs in the mid
70s. South winds around 10 mph.
.THURSDAY...Partly cloudy. Lows in the upper 40s. Highs in the
mid 70s.
.FRIDAY...Partly cloudy with slight chance of showers. Lows
around 50. Highs in the mid 70s.
$$
WYZ431-191015-
Laramie East High Plains-
307 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy until 0300, then partly cloudy.
Chance of showers and thunderstorms until 2100.
Min temperature.....52-57.
24 hr trend......Unchanged.
Max humidity........92-98 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Southwest around 5 mph.
Chc of wetting rain.15 percent.
Transport winds.....West around 10 mph.
Mixing height.......500-1100 ft AGL.
Smoke dispersal.....Poor (4000-5700 knot-ft).
.SATURDAY...
Sky/weather.........Partly cloudy until 1200, then mostly sunny
until 1500, then partly cloudy. Slight chance
of showers after 0900 until 1200. Chance of
showers and thunderstorms after 1500.
Max temperature.....70-75.
24 hr trend......10 degrees cooler.
Min humidity........35-41 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Northwest around 5 mph. Gusts up to 20 mph in
the afternoon.
Chc of wetting rain.20 percent.
Transport winds.....West around 10 mph.
Mixing height.......900-2900 ft AGL increasing to 3300-5300 ft AGL
in the afternoon.
Smoke dispersal.....Poor to fair (10400-44200 knot-ft).
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy until 0300, then mostly cloudy.
Slight chance of showers and thunderstorms
until 2100.
Min temperature.....46-51.
24 hr trend......7 degrees cooler.
Max humidity........100 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......South around 5 mph.
Chc of wetting rain.5 percent.
Transport winds.....West around 10 mph.
Mixing height.......400-1600 ft AGL.
Smoke dispersal.....Poor (6700-9000 knot-ft).
.SUNDAY...
Sky/weather.........Mostly cloudy until 1200, then partly cloudy.
Slight chance of showers and thunderstorms
after 1200.
Max temperature.....64-69.
24 hr trend......6 degrees cooler.
Min humidity........44-50 percent.
24 hr trend......11 percent wetter.
20-foot winds.......Northwest around 5 mph and gusty.
Chc of wetting rain.10 percent.
Transport winds.....Northwest around 10 mph.
Mixing height.......1400-3400 ft AGL increasing to 4000-6000 ft AGL
in the afternoon.
Smoke dispersal.....Poor to fair (16900-59700 knot-ft).
.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Slight chance of showers. Lows in the
mid 40s. Highs in the upper 60s. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the upper 40s. Highs in the
lower 70s. South winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the lower 50s. Highs in the mid
70s. South winds around 10 mph.
.THURSDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows around 50. Highs in the mid 70s.
.FRIDAY...Partly cloudy with slight chance of showers. Lows in
the lower 50s. Highs in the upper 70s.
$$
WYZ432-191015-
Bordeaux/Chugwater/Wheatland-
307 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly cloudy.
Chance of showers and thunderstorms until 2100.
Min temperature.....53-58.
24 hr trend......1 degree cooler.
Max humidity........86-92 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Southwest around 5 mph. Gusts up to 20 mph in
the evening.
Chc of wetting rain.20 percent.
Transport winds.....West around 10 mph.
Mixing height.......300-1500 ft AGL.
Smoke dispersal.....Poor (3800-6900 knot-ft).
.SATURDAY...
Sky/weather.........Partly cloudy until 1200, then mostly sunny
until 1500, then partly cloudy. Slight chance
of showers after 0900 until 1200. Chance of
showers and thunderstorms after 1500.
Max temperature.....71-76.
24 hr trend......12 degrees cooler.
Min humidity........38-44 percent.
24 hr trend......9 percent wetter.
20-foot winds.......Northwest around 5 mph shifting to the south in
the afternoon. Gusts up to 15 mph.
Chc of wetting rain.20 percent.
Transport winds.....West around 10 mph.
Mixing height.......2000-4000 ft AGL.
Smoke dispersal.....Poor to fair (10100-40000 knot-ft).
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy. Chance of showers and
thunderstorms until 2100.
Min temperature.....48-53.
24 hr trend......6 degrees cooler.
Max humidity........94-100 percent.
24 hr trend......7 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......South around 5 mph.
Chc of wetting rain.15 percent.
Transport winds.....Southwest around 10 mph shifting to the west
after midnight.
Mixing height.......500-1600 ft AGL.
Smoke dispersal.....Poor (5100-8900 knot-ft).
.SUNDAY...
Sky/weather.........Mostly cloudy until 1200, then partly cloudy
until 1500, then mostly cloudy. Chance of
showers and slight chance of thunderstorms
after 1200.
Max temperature.....65-70.
24 hr trend......7 degrees cooler.
Min humidity........44-50 percent.
24 hr trend......7 percent wetter.
20-foot winds.......Northwest around 5 mph and gusty.
Chc of wetting rain.10 percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing height.......1500-3500 ft AGL increasing to 4300-6300 ft AGL
in the afternoon.
Smoke dispersal.....Poor to good (17500-65300 knot-ft).
.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy. Slight chance of showers. Lows in the
upper 40s. Highs in the upper 60s. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the upper 40s. Highs in the
upper 70s. Southeast winds around 5 mph.
.WEDNESDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 70s. South
winds around 5 mph.
.THURSDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s.
.FRIDAY...Partly cloudy with slight chance of showers. Lows in
the mid 50s. Highs around 80.
$$
WYZ433-191015-
Goshen/Middle-Lower North Platte River Basin-
307 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly cloudy.
Chance of showers and thunderstorms until 2100,
then slight chance of showers and thunderstorms
until 2400.
Min temperature.....54-59.
24 hr trend......Unchanged.
Max humidity........93-99 percent.
24 hr trend......7 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......South around 5 mph in the evening becoming
light.
Chc of wetting rain.20 percent.
Transport winds.....Southwest around 10 mph shifting to the west
after midnight.
Mixing height.......300-2000 ft AGL.
Smoke dispersal.....Poor (2900-7300 knot-ft).
.SATURDAY...
Sky/weather.........Partly cloudy until 1200, then mostly sunny
until 1500, then partly cloudy. Chance of
showers and thunderstorms after 1500.
Max temperature.....73-78.
24 hr trend......10 degrees cooler.
Min humidity........36-42 percent.
24 hr trend......8 percent wetter.
20-foot winds.......Northeast around 5 mph shifting to the east in
the afternoon. Gusts up to 15 mph.
Chc of wetting rain.10 percent.
Transport winds.....West 5 to 10 mph.
Mixing height.......500-2500 ft AGL increasing to 3000-5000 ft AGL
in the afternoon.
Smoke dispersal.....Poor (6400-32700 knot-ft).
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy until 2400, then mostly cloudy.
Chance of showers and thunderstorms until 2100,
then slight chance of showers and thunderstorms
until 2400.
Min temperature.....49-54.
24 hr trend......5 degrees cooler.
Max humidity........100 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Southeast around 5 mph.
Chc of wetting rain.15 percent.
Transport winds.....South around 10 mph.
Mixing height.......500-1700 ft AGL.
Smoke dispersal.....Poor (4600-9300 knot-ft).
.SUNDAY...
Sky/weather.........Mostly cloudy until 1200, then partly cloudy.
Slight chance of thunderstorms after 1200 until
1500. Chance of showers after 1200. Chance of
thunderstorms after 1500.
Max temperature.....67-72.
24 hr trend......7 degrees cooler.
Min humidity........48-54 percent.
24 hr trend......12 percent wetter.
20-foot winds.......Northwest around 5 mph and gusty.
Chc of wetting rain.15 percent.
Transport winds.....Southwest around 10 mph shifting to the
northwest in the afternoon.
Mixing height.......1000-3000 ft AGL increasing to 4100-6100 ft AGL
in the afternoon.
Smoke dispersal.....Poor to fair (12900-56400 knot-ft).
.FORECAST DAYS 3 THROUGH 7...
.MONDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the mid 40s. Highs around 70. North
winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the upper 40s. Highs in the
upper 70s. Southeast winds around 10 mph.
.WEDNESDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the lower 50s. Highs around 80.
Southeast winds around 10 mph.
.THURSDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 80s.
.FRIDAY...Partly cloudy with slight chance of showers. Lows in
the lower 50s. Highs in the lower 80s.
$$