Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Grand Junction, CO
Issued by NWS Grand Junction, CO
072
FNUS55 KGJT 150703
FWFGJT
Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
103 AM MDT Tue Sep 15 2026
.DISCUSSION...Critical fire weather conditions will not be met
as subtropical moisture continues to feed into the 4 Corners and
Central Rockies region this week. Daily and nightly shower and
thunderstorm activity can be anticipated with some storms
producing gusty outflow winds and containing moderate to heavy
rainfall rates. Widespread wetting rainfall appears likely through
the week.
...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS
OR THUNDERSTORMS...
...THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL...
COZ200-152315-
Little Snake Forecast Area-
103 AM MDT Tue Sep 15 2026
.TODAY...
Sky/weather.........Mostly sunny (20-30%) until 1200, then partly
cloudy (40-50%). Scattered showers and isolated
thunderstorms after 1200. Isolated showers
until 1200.
Chc of lightning....20 percent.
Max temperature.....68-78 F near 6000 feet
62-72 F near 8000 feet.
Min humidity........23-33%.
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming
southwest 10 to 15 mph with gusts to 30 mph in
the afternoon.
CWR.................10 percent.
15K Ft MSL Winds....Southwest 25 to 35 mph.
Mixing Height.......2000 ft AGL until 1100, then 9000 ft AGL.
Transport Winds.....Southeast 5 mph until 1200, then southwest 15
to 20 mph.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly
cloudy (50-60%). Scattered thunderstorms until
2400. Scattered showers. Isolated thunderstorms
after 2400.
Chc of lightning....50 percent.
Min temperature.....46-56 F.
Max humidity........87-100%.
20-foot winds.......South winds 10 to 15 mph with gusts to 30 mph
in the evening becoming downslope/downvalley 3
to 6 mph by sunset.
CWR.................60 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph.
Mixing Height.......6000 ft AGL until 1900, then 1500 ft AGL.
Transport Winds.....South 5 to 10 mph.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Partly cloudy (50-60%). Near 6000 feet,
scattered showers until 1200. Isolated
thunderstorms. Isolated showers after 1200.
near 8000 feet, isolated thunderstorms until
1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....20 percent.
Max temperature.....65-75 F near 6000 feet
60-70 F near 8000 feet.
Min humidity........41-51% near 6000 feet
48-58% near 8000 feet.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................20 percent.
15K Ft MSL Winds....Southwest 25 to 35 mph decreasing to 20 to 25
mph in the afternoon.
Mixing Height.......2000 ft AGL until 1100, then 6500 ft AGL.
Transport Winds.....South 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.THURSDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 46-56. Highs 68-78. Winds less than 15 mph.
.FRIDAY...Partly cloudy. Scattered showers and isolated
thunderstorms near 6000 feet and scattered showers and
thunderstorms near 8000 feet. Lows 44-54. Highs 68-78. Winds less
than 15 mph.
.SATURDAY...Partly cloudy. Scattered showers and isolated
thunderstorms near 6000 feet and scattered showers and isolated
thunderstorms near 8000 feet. Lows 40-50. Highs 67-77. Winds less
than 15 mph.
.SUNDAY...Mostly clear. Lows 39-49. Highs 69-79.
.MONDAY...Mostly clear. Isolated showers and thunderstorms. Lows
40-50. Highs 69-79.
$$
COZ201-152315-
Routt Forecast Area-
103 AM MDT Tue Sep 15 2026
.TODAY...
Sky/weather.........Partly cloudy (30-40%). Isolated thunderstorms
until 1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....40 percent.
Max temperature.....60-70 F.
Min humidity........36-46%.
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming
southwest 10 to 15 mph in the afternoon.
Localized gusts up to 30 mph.
CWR.................20 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph.
Mixing Height.......500 ft AGL until 0900. 8000 ft AGL after 1000.
Transport Winds.....South 5 to 10 mph until 1200, then southwest 15
to 20 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%). Scattered thunderstorms
until 2400. Scattered showers. Isolated
thunderstorms after 2400.
Chc of lightning....50 percent.
Min temperature.....43-53 F.
Max humidity........79-94%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................60 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph.
Mixing Height.......5000 ft AGL until 1900, then 1000 ft AGL.
Transport Winds.....South 5 to 10 mph.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly cloudy (60-70%). Isolated thunderstorms
until 1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....40 percent.
Max temperature.....59-69 F.
Min humidity........45-55%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................40 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph decreasing to 15 to 20
mph in the afternoon.
Mixing Height.......1500 ft AGL until 1000, then 6000 ft AGL.
Transport Winds.....Southwest 5 to 10 mph.
Smoke dispersal.....Poor until 1200, then good until 1500, then
fair.
.FORECAST FOR DAY 3 THROUGH 7...
.THURSDAY...Mostly cloudy. Showers and scattered thunderstorms.
Lows 43-53. Highs 61-71. Winds less than 15 mph.
.FRIDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms. Lows 41-51. Highs 60-70. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 36-46. Highs 59-69. Winds less than 15 mph.
.SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows
34-44. Highs 61-71.
.MONDAY...Mostly clear. Scattered showers and isolated
thunderstorms. Lows 35-45. Highs 61-71.
$$
COZ202-152315-
White River Forecast Area-
103 AM MDT Tue Sep 15 2026
.TODAY...
Sky/weather.........Near 6000 feet, mostly sunny (20-30%) until
1200, then partly cloudy (40-50%). Near 8000
feet, partly cloudy (40-50%). Isolated showers
and thunderstorms until 1200. Scattered showers
and thunderstorms after 1200.
Chc of lightning....50 percent.
Max temperature.....68-78 F near 6000 feet
59-69 F near 8000 feet.
Min humidity........28-38% near 6000 feet
41-51% near 8000 feet.
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming
southwest 10 to 15 mph with gusts to 30 mph in
the afternoon.
CWR.................30 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph.
Mixing Height.......1000 ft AGL until 1000. 8000 ft AGL after 1100.
Transport Winds.....South 5 to 10 mph until 1200, then southwest 15
to 20 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%). Numerous showers and
scattered thunderstorms until 2400, then
scattered showers and isolated thunderstorms.
Chc of lightning....50 percent.
Min temperature.....46-56 F.
Max humidity........88-100% near 6000 feet
79-94% near 8000 feet.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................60 percent.
15K Ft MSL Winds....Southwest 25 to 35 mph.
Mixing Height.......3500 ft AGL until 1900, then 1000 ft AGL.
Transport Winds.....South 5 to 10 mph.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Partly cloudy (50-60%) until 1200, then mostly
cloudy (60-70%). Isolated thunderstorms until
1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....30 percent.
Max temperature.....67-77 F near 6000 feet
58-68 F near 8000 feet.
Min humidity........45-55% near 6000 feet
52-62% near 8000 feet.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................30 percent.
15K Ft MSL Winds....Southwest 25 to 35 mph decreasing to 20 to 25
mph in the afternoon.
Mixing Height.......2500 ft AGL until 1200, then 5500 ft AGL.
Transport Winds.....Southwest 5 mph.
Smoke dispersal.....Poor until 1200, then fair.
.FORECAST FOR DAY 3 THROUGH 7...
.THURSDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 47-57. Highs 68-78. Winds less than 15 mph.
.FRIDAY...Partly cloudy near 6000 feet and mostly cloudy near
8000 feet and scattered showers and thunderstorms. Lows 45-55.
Highs 68-78. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 41-51. Highs 67-77. Winds less than 15 mph.
.SUNDAY...Mostly clear. Isolated showers and thunderstorms near
8000 feet. Lows 39-49. Highs 69-79.
.MONDAY...Partly cloudy. Isolated showers and thunderstorms near
6000 feet and scattered showers and isolated thunderstorms near
8000 feet. Lows 40-50. Highs 69-79.
$$
COZ203-152315-
Lower Colorado River-
103 AM MDT Tue Sep 15 2026
.TODAY...
Sky/weather.........Partly cloudy (40-50%). Isolated showers and
thunderstorms until 1200, then scattered
showers and thunderstorms.
Chc of lightning....40 percent.
Max temperature.....70-80 F near 6000 feet
62-72 F near 8000 feet.
Min humidity........37-47%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 25 mph.
CWR.................40 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph.
Mixing Height.......2000 ft AGL until 1100, then 6000 ft AGL.
Transport Winds.....South 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%). Scattered thunderstorms
until 2400. Scattered showers. Isolated
thunderstorms after 2400.
Chc of lightning....50 percent.
Min temperature.....52-62 F near 6000 feet
45-55 F near 8000 feet.
Max humidity........76-91%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................50 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph.
Mixing Height.......4000 ft AGL until 1900, then 1000 ft AGL.
Transport Winds.....Southeast 5 to 10 mph.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly cloudy (70-80%). Isolated thunderstorms
until 1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....40 percent.
Max temperature.....67-77 F near 6000 feet
60-70 F near 8000 feet.
Min humidity........45-55%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph.
CWR.................50 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph becoming south 15 to 20
mph in the afternoon.
Mixing Height.......4000 ft AGL.
Transport Winds.....Southeast 5 mph until 1200, then southwest.
Smoke dispersal.....Poor.
.FORECAST FOR DAY 3 THROUGH 7...
.THURSDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms. Lows 51-61. Highs 69-79. Winds less than 15 mph.
.FRIDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 49-59. Highs 69-79. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 46-56. Highs 69-79. Winds less than 15 mph.
.SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows
44-54. Highs 71-81.
.MONDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 45-55. Highs 70-80.
$$
COZ205-152315-
Colorado River Headwaters-
103 AM MDT Tue Sep 15 2026
.TODAY...
Sky/weather.........Partly cloudy (40-50%). Isolated thunderstorms
until 1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....30 percent.
Max temperature.....66-76 F.
Min humidity........35-45%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................30 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph.
Mixing Height.......1500 ft AGL until 1000, then 6000 ft AGL.
Transport Winds.....Southwest 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%). Scattered thunderstorms
until 2400. Scattered showers. Isolated
thunderstorms after 2400.
Chc of lightning....40 percent.
Min temperature.....43-53 F.
Max humidity........76-91%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................70 percent.
15K Ft MSL Winds....Southwest 20 to 30 mph.
Mixing Height.......3500 ft AGL until 1900, then 1000 ft AGL.
Transport Winds.....South 5 mph.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly cloudy (60-70%). Isolated thunderstorms
until 1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....40 percent.
Max temperature.....65-75 F.
Min humidity........41-51%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................40 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph becoming south 10 to 15
mph in the afternoon.
Mixing Height.......1000 ft AGL until 1000, then 5500 ft AGL.
Transport Winds.....Southwest 5 mph.
Smoke dispersal.....Poor.
.FORECAST FOR DAY 3 THROUGH 7...
.THURSDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 44-54. Highs 62-72. Winds less than 15 mph.
.FRIDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 41-51. Highs 62-72. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 38-48. Highs 61-71. Winds less than 15 mph.
.SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows
36-46. Highs 62-72.
.MONDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 36-46. Highs 62-72.
$$
COZ290-152315-
Paradox Valley Forecast Area-
103 AM MDT Tue Sep 15 2026
.TODAY...
Sky/weather.........Partly cloudy (50-60%) until 1200, then mostly
cloudy (60-70%). Isolated thunderstorms until
1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....40 percent.
Max temperature.....68-78 F near 6000 feet
63-73 F near 8000 feet.
Min humidity........36-46% near 6000 feet
42-52% near 8000 feet.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................30 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph.
Mixing Height.......2500 ft AGL until 1100, then 6000 ft AGL.
Transport Winds.....South 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%). Scattered thunderstorms
until 2400. Scattered showers. Isolated
thunderstorms after 2400.
Chc of lightning....50 percent.
Min temperature.....47-57 F near 6000 feet
45-55 F near 8000 feet.
Max humidity........77-92% near 6000 feet
87-100% near 8000 feet.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................50 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph.
Mixing Height.......4500 ft AGL until 1900, then 1000 ft AGL.
Transport Winds.....South 5 to 10 mph.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly cloudy (70-80%). Isolated thunderstorms
until 1200. Near 6000 feet, scattered showers.
near 8000 feet, numerous showers. Scattered
thunderstorms after 1200.
Chc of lightning....50 percent.
Max temperature.....66-76 F near 6000 feet
60-70 F near 8000 feet.
Min humidity........44-54% near 6000 feet
50-60% near 8000 feet.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................40 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph becoming south 10 to 15
mph in the afternoon.
Mixing Height.......4000 ft AGL.
Transport Winds.....South 5 to 10 mph.
Smoke dispersal.....Poor.
.FORECAST FOR DAY 3 THROUGH 7...
.THURSDAY...Numerous showers and scattered thunderstorms near
6000 feet and numerous showers and scattered thunderstorms near
8000 feet. Lows 52-62. Highs 70-80. Winds less than 15 mph.
.FRIDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms. Lows 50-60. Highs 71-81. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms
near 6000 feet and scattered showers and thunderstorms near
8000 feet. Lows 48-58. Highs 71-81. Winds less than 15 mph.
.SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows
46-56. Highs 71-81.
.MONDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 46-56. Highs 70-80.
$$
COZ291-152315-
Northern San Juan Forecast Area-
103 AM MDT Tue Sep 15 2026
.TODAY...
Sky/weather.........Partly cloudy (50-60%). Isolated thunderstorms
until 1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....40 percent.
Max temperature.....63-73 F.
Min humidity........39-49%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 25 mph in the afternoon.
CWR.................20 percent.
15K Ft MSL Winds....Southwest 15 to 20 mph.
Mixing Height.......1500 ft AGL until 1000, then 6000 ft AGL.
Transport Winds.....Southwest 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%). Scattered thunderstorms
until 2400. Scattered showers. Isolated
thunderstorms after 2400.
Chc of lightning....40 percent.
Min temperature.....44-54 F.
Max humidity........79-94%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................40 percent.
15K Ft MSL Winds....Southwest 15 to 20 mph.
Mixing Height.......4500 ft AGL until 1900, then 1000 ft AGL.
Transport Winds.....South 5 to 10 mph.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly cloudy (70-80%). Scattered showers and
isolated thunderstorms until 1200, then
numerous showers and scattered thunderstorms.
Chc of lightning....50 percent.
Max temperature.....60-70 F.
Min humidity........46-56%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................60 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph becoming south 15 to 20
mph in the afternoon.
Mixing Height.......1500 ft AGL until 1000, then 5000 ft AGL until
1600, then 2500 ft AGL.
Transport Winds.....South 5 to 10 mph.
Smoke dispersal.....Poor.
.FORECAST FOR DAY 3 THROUGH 7...
.THURSDAY...Numerous showers and scattered thunderstorms. Lows
44-54. Highs 63-73. Winds less than 15 mph.
.FRIDAY...Mostly cloudy. Scattered showers and thunderstorms.
Lows 42-52. Highs 63-73. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 39-49. Highs 64-74. Winds less than 15 mph.
.SUNDAY...Mostly clear. Scattered showers and thunderstorms. Lows
38-48. Highs 64-74.
.MONDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 38-48. Highs 63-73.
$$
COZ292-152315-
North Fork Forecast Area-
103 AM MDT Tue Sep 15 2026
.TODAY...
Sky/weather.........Near 6000 feet, partly cloudy (50-60%). Near
8000 feet, partly cloudy (50-60%) until 1200,
then mostly cloudy (60-70%). Isolated
thunderstorms until 1200. Scattered showers.
Scattered thunderstorms after 1200.
Chc of lightning....40 percent.
Max temperature.....69-79 F near 6000 feet
64-74 F near 8000 feet.
Min humidity........34-44%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph.
Mixing Height.......2000 ft AGL until 1100, then 7000 ft AGL.
Transport Winds.....Southeast 5 mph until 1200, then southwest.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%). Near 6000 feet,
scattered showers and thunderstorms until 2400,
then numerous showers and isolated
thunderstorms. Near 8000 feet, scattered
thunderstorms until 2400. Scattered showers.
Isolated thunderstorms after 2400.
Chc of lightning....50 percent.
Min temperature.....49-59 F near 6000 feet
43-53 F near 8000 feet.
Max humidity........76-91% near 6000 feet
83-98% near 8000 feet.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 20 mph in the evening.
CWR.................60 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph.
Mixing Height.......5000 ft AGL until 1900, then 1000 ft AGL.
Transport Winds.....South 5 to 10 mph until 2400, then east.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly cloudy (70-80%). Near 6000 feet,
isolated thunderstorms until 1200. Scattered
showers. Scattered thunderstorms after 1200.
near 8000 feet, scattered showers and isolated
thunderstorms until 1200, then numerous showers
and scattered thunderstorms.
Chc of lightning....50 percent.
Max temperature.....70-80 F near 6000 feet
62-72 F near 8000 feet.
Min humidity........41-51%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................40 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph becoming south 10 to 15
mph in the afternoon.
Mixing Height.......4000 ft AGL.
Transport Winds.....Southeast 5 mph until 1200, then southwest.
Smoke dispersal.....Poor.
.FORECAST FOR DAY 3 THROUGH 7...
.THURSDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms near 6000 feet and numerous showers and scattered
thunderstorms near 8000 feet. Lows 50-60. Highs 71-81. Winds less
than 15 mph.
.FRIDAY...Mostly cloudy. Scattered showers and thunderstorms near
6000 feet and numerous showers and scattered thunderstorms near
8000 feet. Lows 47-57. Highs 71-81. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 45-55. Highs 71-81. Winds less than 15 mph.
.SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows
43-53. Highs 72-82.
.MONDAY...Partly cloudy. Scattered showers and isolated
thunderstorms near 6000 feet and scattered showers and
thunderstorms near 8000 feet. Lows 43-53. Highs 72-82.
$$
COZ293-152315-
Gunnison Basin Forecast Area-
103 AM MDT Tue Sep 15 2026
.TODAY...
Sky/weather.........Partly cloudy (40-50%) until 1200, then mostly
cloudy (60-70%). Isolated thunderstorms until
1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....40 percent.
Max temperature.....67-77 F.
Min humidity........36-46%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................40 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph.
Mixing Height.......2500 ft AGL until 1100, then 6500 ft AGL.
Transport Winds.....South 5 mph until 1200, then southwest 10 to 15
mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%). Scattered thunderstorms
until 2400. Scattered showers. Isolated
thunderstorms after 2400.
Chc of lightning....40 percent.
Min temperature.....43-53 F.
Max humidity........83-98%.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 20 mph in the evening.
CWR.................70 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph.
Mixing Height.......4000 ft AGL until 1900, then 1000 ft AGL.
Transport Winds.....South 5 mph until 2400, then southeast.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly cloudy (70-80%). Scattered showers and
isolated thunderstorms until 1200, then
numerous showers and scattered thunderstorms.
Chc of lightning....50 percent.
Max temperature.....65-75 F.
Min humidity........42-52%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................70 percent.
15K Ft MSL Winds....Southwest 15 to 20 mph becoming south 10 to 15
mph in the afternoon.
Mixing Height.......3500 ft AGL until 1200, then 5000 ft AGL until
1700, then 3000 ft AGL.
Transport Winds.....South 5 mph.
Smoke dispersal.....Poor.
.FORECAST FOR DAY 3 THROUGH 7...
.THURSDAY...Numerous showers and scattered thunderstorms. Lows
43-53. Highs 63-73. Winds less than 15 mph.
.FRIDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms. Lows 40-50. Highs 64-74. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 37-47. Highs 63-73. Winds less than 15 mph.
.SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows
35-45. Highs 64-74.
.MONDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 35-45. Highs 63-73.
$$
COZ207-152315-
Southwest Colorado Lower Forecast Area-
103 AM MDT Tue Sep 15 2026
.TODAY...
Sky/weather.........Partly cloudy (30-40%). Isolated thunderstorms
until 1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....30 percent.
Max temperature.....74-84 F.
Min humidity........34-44%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................20 percent.
15K Ft MSL Winds....Southwest 15 to 20 mph.
Mixing Height.......1000 ft AGL until 1000. 7000 ft AGL after 1100.
Transport Winds.....Southeast 5 to 10 mph until 1200, then
southwest.
Smoke dispersal.....Poor until 0900. Good after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%). Scattered showers and
thunderstorms until 2400, then numerous showers
and isolated thunderstorms.
Chc of lightning....50 percent.
Min temperature.....51-61 F.
Max humidity........84-99%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................50 percent.
15K Ft MSL Winds....Southwest 15 to 20 mph.
Mixing Height.......5500 ft AGL until 1900. 1000 ft AGL after 2000.
Transport Winds.....Southeast 5 to 10 mph.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly cloudy (70-80%). Numerous showers and
isolated thunderstorms until 1200, then
scattered showers and thunderstorms.
Chc of lightning....50 percent.
Max temperature.....71-81 F.
Min humidity........45-55%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................70 percent.
15K Ft MSL Winds....South 15 to 20 mph.
Mixing Height.......1500 ft AGL until 1000, then 4500 ft AGL.
Transport Winds.....Southeast 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.THURSDAY...Numerous showers and scattered thunderstorms. Lows
48-58. Highs 70-80. Winds less than 15 mph.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 47-57. Highs 72-82. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 44-54. Highs 72-82. Winds less than 15 mph.
.SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows
43-53. Highs 72-82.
.MONDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 43-53. Highs 71-81.
$$
COZ294-152315-
Southwest Colorado Upper West Forecast Area-
103 AM MDT Tue Sep 15 2026
.TODAY...
Sky/weather.........Partly cloudy (40-50%). Isolated thunderstorms
until 1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....40 percent.
Max temperature.....61-71 F.
Min humidity........44-54%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph increasing to 30 mph in the
afternoon.
CWR.................20 percent.
15K Ft MSL Winds....Southwest 15 to 20 mph.
Mixing Height.......1500 ft AGL until 1000, then 6000 ft AGL.
Transport Winds.....South 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (70-80%). Scattered showers and
thunderstorms until 2400, then numerous showers
and isolated thunderstorms.
Chc of lightning....50 percent.
Min temperature.....48-58 F.
Max humidity........86-100%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................60 percent.
15K Ft MSL Winds....Southwest 15 to 20 mph.
Mixing Height.......4500 ft AGL until 1900. 500 ft AGL after 2000.
Transport Winds.....South 5 to 10 mph.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly cloudy (70-80%). Numerous showers and
isolated thunderstorms until 1200, then
scattered showers and thunderstorms.
Chc of lightning....50 percent.
Max temperature.....59-69 F.
Min humidity........55-65%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................70 percent.
15K Ft MSL Winds....South 15 to 20 mph.
Mixing Height.......2500 ft AGL until 1100, then 4000 ft AGL.
Transport Winds.....South 5 to 10 mph.
Smoke dispersal.....Poor until 1200, then fair until 1500, then
poor.
.FORECAST FOR DAY 3 THROUGH 7...
.THURSDAY...Showers and scattered thunderstorms. Lows 43-53.
Highs 60-70. Winds less than 15 mph.
.FRIDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms. Lows 41-51. Highs 62-72. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 38-48. Highs 62-72. Winds less than 15 mph.
.SUNDAY...Mostly clear. Isolated showers and thunderstorms. Lows
37-47. Highs 62-72.
.MONDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 37-47. Highs 60-70.
$$
COZ295-152315-
Southwest Colorado Upper East Forecast Area-
103 AM MDT Tue Sep 15 2026
.TODAY...
Sky/weather.........Partly cloudy (50-60%). Isolated showers and
thunderstorms until 1200, scattered showers and
thunderstorms after 1200.
Chc of lightning....40 percent.
Max temperature.....66-76 F.
Min humidity........38-48%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................20 percent.
15K Ft MSL Winds....Southwest 10 to 15 mph.
Mixing Height.......2000 ft AGL until 1100, then 6500 ft AGL.
Transport Winds.....Northeast 5 mph until 1200, then southwest.
Smoke dispersal.....Poor until 0900. Fair after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (70-80%). Numerous showers and
scattered thunderstorms until 2400, then
showers and isolated thunderstorms.
Chc of lightning....50 percent.
Min temperature.....45-55 F.
Max humidity........88-100%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................70 percent.
15K Ft MSL Winds....Southwest 10 to 15 mph increasing to 15 to 20
mph after midnight.
Mixing Height.......5000 ft AGL until 1900. 1000 ft AGL after 2000.
Transport Winds.....South 5 to 10 mph until 2400, then southeast.
Smoke dispersal.....Poor.
.WEDNESDAY...
Sky/weather.........Mostly cloudy (70-80%). Isolated thunderstorms
until 1200. Numerous showers. Scattered
thunderstorms after 1200.
Chc of lightning....50 percent.
Max temperature.....62-72 F.
Min humidity........50-60%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................80 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph increasing to south 20
to 30 mph in the afternoon.
Mixing Height.......2500 ft AGL.
Transport Winds.....Southeast 5 mph.
Smoke dispersal.....Poor.
.FORECAST FOR DAY 3 THROUGH 7...
.THURSDAY...Showers and scattered thunderstorms. Lows 43-53.
Highs 60-70. Winds less than 15 mph.
.FRIDAY...Numerous showers and thunderstorms. Lows 41-51. Highs
64-74. Winds less than 15 mph.
.SATURDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 39-49. Highs 66-76. Winds less than 15 mph.
.SUNDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 37-47. Highs 64-74.
.MONDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 37-47. Highs 63-73.
$$
UTZ485-152315-
Eastern Ashley National Forest-
103 AM MDT Tue Sep 15 2026
.TODAY...
Sky/weather.........Partly cloudy (40-50%). Isolated showers and
thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....68-78 F near 7000 feet
59-69 F near 10000 feet.
24 hr trend......1 degree warmer.
Min humidity........21-31% near 7000 feet
31-41% near 10000 feet.
24 hr trend......10% wetter.
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming
south 10 to 15 mph in the afternoon. Localized
gusts up to 30 mph.
CWR.................10 percent.
Mixing Height.......1000 ft AGL until 1000. 8500 ft AGL after 1100.
Transport Winds.....South 5 to 10 mph until 1200, then southwest 15
to 20 mph.
Clearing Index......Less than 500 until 1000. 1050 after 1100.
.TONIGHT...
Sky/weather.........Near 7000 feet, partly cloudy (50-60%). Near
10000 feet, mostly cloudy (70-80%) until 2400,
then partly cloudy (50-60%). Scattered showers
and isolated thunderstorms.
Chc of lightning....20 percent.
Min temperature.....43-53 F near 7000 feet
36-46 F near 10000 feet.
24 hr trend......6 degrees warmer.
Max humidity........84-99%.
24 hr trend......49% wetter.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................20 percent.
Mixing Height.......6500 ft AGL until 1900, then 1000 ft AGL.
Transport Winds.....South 5 to 10 mph.
Clearing Index......1050 until 1900, then less than 500.
.WEDNESDAY...
Sky/weather.........Near 7000 feet, partly cloudy (50-60%) until
1200, then mostly cloudy (60-70%). Near 10000
feet, mostly cloudy (60-70%). Scattered
showers. Scattered thunderstorms after 1200.
Chc of lightning....30 percent.
Max temperature.....66-76 F near 7000 feet
57-67 F near 10000 feet.
24 hr trend......Unchanged.
Min humidity........42-52% near 7000 feet
55-65% near 10000 feet.
24 hr trend......18% wetter.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................20 percent.
Mixing Height.......1000 ft AGL until 1000, then 5000 ft AGL.
Transport Winds.....Southwest 5 to 10 mph.
Clearing Index......Less than 500 until 1000. 1000 after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.THURSDAY...Mostly cloudy. Scattered showers and thunderstorms
near 7000 feet and numerous showers and scattered thunderstorms
near 10000 feet. Lows 46-56. Highs 62-72. Winds less than
15 mph.
.FRIDAY...Partly cloudy near 7000 feet and mostly cloudy near
10000 feet and scattered showers and thunderstorms near
7000 feet and numerous showers and scattered thunderstorms near
10000 feet. Lows 44-54. Highs 62-72. Winds less than 15 mph.
.SATURDAY...Mostly clear. Scattered showers and isolated
thunderstorms. Lows 41-51. Highs 61-71. Winds less than 15 mph.
.SUNDAY...Mostly clear. Isolated showers and thunderstorms . Lows
40-50. Highs 63-73.
.MONDAY...Partly cloudy. Isolated showers and thunderstorms near
7000 feet and scattered showers and isolated thunderstorms near
10000 feet. Lows 41-51. Highs 63-73.
$$
UTZ486-152315-
Eastern Uinta Basin-
103 AM MDT Tue Sep 15 2026
.TODAY...
Sky/weather.........Near 5000 feet, mostly sunny (20-30%) until
1200, then partly cloudy (40-50%), isolated
showers until 1200. Near 8000 feet, partly
cloudy (40-50%). Scattered showers and isolated
thunderstorms after 1200.
Chc of lightning....20 percent.
Max temperature.....71-81 F near 5000 feet
57-67 F near 8000 feet.
24 hr trend......1 degree cooler.
Min humidity........23-33%.
24 hr trend......15% wetter.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
Mixing Height.......1000 ft AGL until 1000. 8500 ft AGL after 1200.
Transport Winds.....Southeast 5 mph until 1200, then southwest 15
to 20 mph.
Clearing Index......Less than 500 until 1100. 1050 after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%) until 2400, then partly
cloudy (50-60%). Scattered thunderstorms until
2400. Scattered showers. Isolated thunderstorms
after 2400.
Chc of lightning....50 percent.
Min temperature.....46-56 F.
24 hr trend......1 degree warmer.
Max humidity........83-98%.
24 hr trend......55% wetter.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................50 percent.
Mixing Height.......5500 ft AGL until 1900, then 1000 ft AGL.
Transport Winds.....South 5 to 10 mph until 2400, then northeast.
Clearing Index......1000 until 1900, then less than 500.
.WEDNESDAY...
Sky/weather.........Partly cloudy (50-60%). Near 5000 feet,
isolated thunderstorms until 1200. Scattered
showers. Scattered thunderstorms after 1200.
near 8000 feet, scattered showers until 1200.
Isolated thunderstorms. Isolated showers after
1200.
Chc of lightning....20 percent.
Max temperature.....67-77 F near 5000 feet
57-67 F near 8000 feet.
24 hr trend......6 degrees cooler.
Min humidity........46-56%.
24 hr trend......23% wetter.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph in the afternoon.
CWR.................20 percent.
Mixing Height.......2000 ft AGL until 1100, then 5000 ft AGL.
Transport Winds.....South 5 mph.
Clearing Index......Less than 500 until 1100. 700 after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.THURSDAY...Numerous showers and scattered thunderstorms near
6000 feet and scattered showers and thunderstorms near 8000 feet
. Lows 49-59. Highs 65-75. Winds less than 15 mph.
.FRIDAY...Partly cloudy. Scattered showers and thunderstorms .
Lows 47-57. Highs 66-76. Winds less than 15 mph.
.SATURDAY...Mostly clear. Scattered showers and isolated
thunderstorms near 6000 feet and scattered showers and isolated
thunderstorms near 8000 feet. Lows 44-54. Highs 65-75. Winds
less than 15 mph.
.SUNDAY...Mostly clear. Lows 43-53. Highs 67-77.
.MONDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
44-54. Highs 67-77.
$$
UTZ487-152315-
Book Cliffs-
103 AM MDT Tue Sep 15 2026
.TODAY...
Sky/weather.........Near 5000 feet, mostly sunny (20-30%) until
1200, then partly cloudy (40-50%), isolated
showers until 1200. Near 8000 feet, partly
cloudy (40-50%), isolated showers and
thunderstorms until 1200. Scattered showers and
thunderstorms after 1200.
Chc of lightning....50 percent.
Max temperature.....73-83 F near 5000 feet
63-73 F near 8000 feet.
24 hr trend......2 degrees cooler.
Min humidity........26-36% near 5000 feet
42-52% near 8000 feet.
24 hr trend......10% wetter.
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming
southwest 10 to 15 mph with gusts to 30 mph in
the afternoon.
CWR.................50 percent.
Mixing Height.......1000 ft AGL until 1000. 8000 ft AGL after 1100.
Transport Winds.....Southwest 5 mph until 1200, then 15 to 20 mph.
Clearing Index......Less than 500 until 1000. 1050 after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (70-80%). Numerous showers and
scattered thunderstorms until 2400, then
scattered showers and isolated thunderstorms.
Chc of lightning....50 percent.
Min temperature.....49-59 F near 5000 feet
43-53 F near 8000 feet.
24 hr trend......Unchanged.
Max humidity........85-100%.
24 hr trend......33% wetter.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................60 percent.
Mixing Height.......2500 ft AGL until 2000, then 500 ft AGL.
Transport Winds.....South 5 to 10 mph.
Clearing Index......700 until 1900, then less than 500.
.WEDNESDAY...
Sky/weather.........Mostly cloudy (70-80%). Isolated thunderstorms
until 1200. Scattered showers. Scattered
thunderstorms after 1200.
Chc of lightning....50 percent.
Max temperature.....69-79 F near 5000 feet
60-70 F near 8000 feet.
24 hr trend......6 degrees cooler.
Min humidity........45-55% near 5000 feet
55-70% near 8000 feet.
24 hr trend......23% wetter.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph in the afternoon.
CWR.................40 percent.
Mixing Height.......5500 ft AGL.
Transport Winds.....South 5 mph.
Clearing Index......Less than 500 until 1100, then 500 until 1200,
then 1000 until 1700, then 750.
.FORECAST FOR DAY 3 THROUGH 7...
.THURSDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms near 6000 feet and numerous showers and scattered
thunderstorms near 8000 feet. Lows 49-59. Highs 69-79. Winds
less than 15 mph.
.FRIDAY...Mostly cloudy. Scattered showers and thunderstorms near
6000 feet and numerous showers and scattered thunderstorms near
8000 feet. Lows 47-57. Highs 69-79. Winds less than 15 mph.
.SATURDAY...Mostly clear. Scattered showers and thunderstorms .
Lows 44-54. Highs 67-77. Winds less than 15 mph.
.SUNDAY...Mostly clear. Isolated showers and thunderstorms . Lows
42-52. Highs 69-79.
.MONDAY...Partly cloudy. Scattered showers and isolated
thunderstorms near 6000 feet and scattered showers and isolated
thunderstorms near 8000 feet. Lows 43-53. Highs 69-79.
$$
UTZ490-152315-
Colorado River Basin-
103 AM MDT Tue Sep 15 2026
.TODAY...
Sky/weather.........Partly cloudy (30-40%). Isolated showers and
thunderstorms until 1200. Scattered showers and
thunderstorms after 1200.
Chc of lightning....40 percent.
Max temperature.....78-88 F near 5000 feet
67-77 F near 7000 feet.
24 hr trend......5 degrees cooler.
Min humidity........31-41% near 5000 feet
39-49% near 7000 feet.
24 hr trend......15% wetter.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 25 mph.
CWR.................20 percent.
Mixing Height.......1500 ft AGL until 1000. 8000 ft AGL after 1100.
Transport Winds.....Southeast 5 to 10 mph until 1200, then
southwest 15 to 20 mph.
Clearing Index......Less than 500 until 1000. 1050 after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70%). Scattered thunderstorms
until 2400. Scattered showers. Isolated
thunderstorms after 2400.
Chc of lightning....50 percent.
Min temperature.....54-64 F.
24 hr trend......1 degree cooler.
Max humidity........81-96%.
24 hr trend......8% wetter.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................50 percent.
Mixing Height.......6500 ft AGL until 1900. 1000 ft AGL after 2000.
Transport Winds.....South 10 to 15 mph until 2400, then east.
Clearing Index......1050 until 1900. Less than 500 after 2000.
.WEDNESDAY...
Sky/weather.........Near 5000 feet, partly cloudy (50-60%) until
1200, then mostly cloudy (70-80%). Near 7000
feet, mostly cloudy (60-70%). Isolated
thunderstorms until 1200. Scattered showers.
Scattered thunderstorms after 1200.
Chc of lightning....40 percent.
Max temperature.....75-85 F near 5000 feet
64-74 F near 7000 feet.
24 hr trend......3 degrees cooler.
Min humidity........43-53% near 5000 feet
53-63% near 7000 feet.
24 hr trend......13% wetter.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................40 percent.
Mixing Height.......2500 ft AGL until 1100, then 5000 ft AGL.
Transport Winds.....Southeast 5 to 10 mph.
Clearing Index......Less than 500 until 1100. 750 after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.THURSDAY...Mostly cloudy. Numerous showers and scattered
thunderstorms near 5000 feet and scattered showers and
thunderstorms near 7000 feet. Lows 53-63. Highs 73-83. Winds
less than 15 mph.
.FRIDAY...Partly cloudy near 5000 feet and mostly cloudy near
7000 feet and numerous showers and isolated thunderstorms near
5000 feet and numerous showers and scattered thunderstorms near
7000 feet. Lows 51-61. Highs 73-83. Winds less than 15 mph.
.SATURDAY...Mostly clear. Isolated showers and thunderstorms .
Lows 49-59. Highs 72-82. Winds less than 15 mph.
.SUNDAY...Mostly clear. Isolated showers near 5000 feet and
isolated showers and thunderstorms near 7000 feet. Lows 48-58.
Highs 73-83.
.MONDAY...Partly cloudy. Isolated showers and thunderstorms .
Lows 48-58. Highs 72-82.
$$
UTZ491-152315-
Southeast Utah-
103 AM MDT Tue Sep 15 2026
.TODAY...
Sky/weather.........Near 5000 feet, partly cloudy (40-50%). Near
8000 feet, partly cloudy (40-50%) until 1200,
then mostly cloudy (60-70%). Isolated
thunderstorms until 1200. Scattered showers.
Scattered thunderstorms after 1200.
Chc of lightning....30 percent.
Max temperature.....77-87 F near 5000 feet
62-72 F near 8000 feet.
24 hr trend......5 degrees cooler.
Min humidity........33-43% near 5000 feet
46-56% near 8000 feet.
24 hr trend......14% wetter.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................30 percent.
Mixing Height.......1500 ft AGL until 1000, then 7500 ft AGL.
Transport Winds.....South 5 to 10 mph.
Clearing Index......Less than 500 until 1000. 1050 after 1100.
.TONIGHT...
Sky/weather.........Near 5000 feet, partly cloudy (50-60%) until
2400, then mostly cloudy (60-70%). Near 8000
feet, mostly cloudy (60-70%). Scattered
thunderstorms until 2400. Scattered showers.
Isolated thunderstorms after 2400.
Chc of lightning....40 percent.
Min temperature.....56-66 F near 5000 feet
48-58 F near 8000 feet.
24 hr trend......1 degree cooler.
Max humidity........79-94%.
24 hr trend......6% wetter.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................30 percent.
Mixing Height.......5500 ft AGL until 1900. 1000 ft AGL after 2000.
Transport Winds.....South 5 to 10 mph.
Clearing Index......900 until 1900. Less than 500 after 2000.
.WEDNESDAY...
Sky/weather.........Near 5000 feet, partly cloudy (50-60%) until
1200, then mostly cloudy (70-80%). Near 8000
feet, mostly cloudy (70-80%). Isolated
thunderstorms until 1200. Scattered showers.
Scattered thunderstorms after 1200.
Chc of lightning....50 percent.
Max temperature.....75-85 F near 5000 feet
58-68 F near 8000 feet.
24 hr trend......3 degrees cooler.
Min humidity........43-53% near 5000 feet
55-70% near 8000 feet.
24 hr trend......11% wetter.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................50 percent.
Mixing Height.......5000 ft AGL.
Transport Winds.....Southeast 5 to 10 mph.
Clearing Index......Less than 500 until 1000, then 600 until 1200,
then 900 until 1700, then 650.
.FORECAST FOR DAY 3 THROUGH 7...
.THURSDAY...Mostly cloudy. Scattered showers and thunderstorms
near 5000 feet and numerous showers and scattered thunderstorms
near 8000 feet. Lows 53-63. Highs 73-83. Winds less than 15 mph.
.FRIDAY...Partly cloudy. Scattered showers and isolated
thunderstorms near 5000 feet and scattered showers and
thunderstorms near 8000 feet. Lows 52-62. Highs 74-84. Winds
less than 15 mph.
.SATURDAY...Mostly clear. Isolated showers and thunderstorms near
5000 feet and scattered showers and thunderstorms near 8000 feet
. Lows 51-61. Highs 74-84. Winds less than 15 mph.
.SUNDAY...Mostly clear. Isolated showers and thunderstorms . Lows
49-59. Highs 74-84.
.MONDAY...Partly cloudy. Isolated showers and thunderstorms near
5000 feet and scattered showers and isolated thunderstorms near
8000 feet. Lows 49-59. Highs 73-83.
$$