Suppression Forecast
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
004
FNUS75 KRIW 220146
FWSRIW
Spot Forecast for Travis Lake Fire...US Forest Service
National Weather Service Riverton WY
746 PM MDT Mon Jul 21 2025
Forecast is based on forecast start time of 2000 MDT on July 21.
If conditions become unrepresentative, contact the National Weather
Service
.DISCUSSION...
Hot, dry, and breezy conditions remain for the next few days. An
isolated rain shower or thunderstorm is possible (10-15%) this
evening into tonight, but the CWR is just about zero. RH recovery
will be fair tonight. Temperatures will warm into the upper 60s
Tuesday and Wednesday, with overnight lows in the middle 40s. More
isolated to widely scattered rain showers and thunderstorms will
be possible (15-20%) Wednesday afternoon, but little to no
precipitation is expected. Smoke dispersal will be poor overnight
improving to excellent after noon Tuesday.
...Thunderstorms imply strong gusty and erratic winds...
.REST OF TONIGHT...
Sky/weather.........Partly cloudy (25-35 percent).
CWR.................0 percent.
Chance of pcpn......10 percent.
Chance of thunder...9 percent.
Min temperature.....Around 49.
Max humidity........56 percent.
Wind (20 ft)........South winds 8 to 13 mph with gusts to around 18
mph until 2400, then light until 0500, then
south around 7 mph.
Ridgetop wind.......South 15 to 20 mph until 2400, then 10 to 15
mph.
Mixing height.......500 ft AGL.
Transport winds.....Southwest 12 to 21 mph.
Smoke dispersal.....Poor.
TIME (MDT) 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P
Sky (%).........35 25 30 35 30 35 40 25 20 20
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0
Chc of pcpn (%).0 0 10 10 10 10 0 0 0 0
Chc of thdr (%).0 0 10 10 0 0 0 0 0 0
Temp............65 60 58 55 52 52 52 51 51 50
RH..............29 35 40 47 49 52 56 56 55 54
20 FT wind dir..SW S S S S S S S S S
20 FT wind spd..13 10 9 10 6 6 6 6 6 7
20 FT wind gust.18 14 13 14 7 7 10 10 10 10
Ridge wind dir..SW S S S S S S S S S
Ridge wind spd..20 15 15 15 10 10 15 15 15 15
Mix hgt (kft)...1.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.SW SW SW SW SW SW SW SW S S
Transp wind spd.21 17 16 17 14 12 13 13 13 14
SDspl kt-ft/100032 5 4 5 4 3 4 4 4 4
.TUESDAY...
Sky/weather.........Mostly sunny (25-35 percent).
CWR.................0 percent.
Chance of pcpn......15 percent.
Chance of thunder...5 percent.
Max temperature.....Around 71.
Min humidity........24 percent.
Wind (20 ft)........Light winds until 0800, then southwest 10 to 15
mph with gusts 20 to 25 mph.
Ridgetop wind.......Southwest 15 to 20 mph until 1300, then west 20
to 25 mph.
Mixing height.......2000 ft AGL until 1000. 10000 ft AGL after
1200.
Transport winds.....Southwest 13 to 22 mph until 1300, then 20 to
25 mph.
Smoke dispersal.....Poor until 0900 improving to Excellent after 1200.
TIME (MDT) MID 1AM 2AM 3AM 4AM 5AM 6AM 7AM 8AM 9AM 10A 11A
Sky (%).........20 20 10 10 10 10 15 30 45 45 40 25
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Chc of pcpn (%).0 0 0 0 0 0 0 10 0 0 0 0
Chc of thdr (%).0 0 0 0 0 0 0 10 0 0 0 0
Temp............50 51 54 58 62 65 68 69 70 70 70 69
RH..............54 53 48 44 36 31 27 25 24 25 27 24
20 FT wind dir..S S SW SW SW SW W W SW W W W
20 FT wind spd..6 6 8 10 11 12 14 15 14 14 14 13
20 FT wind gust.10 10 12 14 16 17 19 20 19 19 20 22
Ridge wind dir..S S SW SW SW SW W W SW W W W
Ridge wind spd..15 15 15 15 20 20 20 25 20 20 20 20
Mix hgt (kft)...0.5 0.5 0.5 2.0 3.5 6.0 8.5 9.0 10 9.5 9.5 9.5
Transp wind dir.S S SW SW SW SW SW SW SW SW SW W
Transp wind spd.13 13 15 17 18 21 22 23 22 22 22 21
SDspl kt-ft/10003 4 5 34 55 108 163 179 186 183 184 168
.TUESDAY NIGHT...
Sky/weather.........Mostly clear (5-15 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of thunder...3 percent.
Min temperature.....Around 49.
Max humidity........44 percent.
Wind (20 ft)........West winds 8 to 13 mph with gusts to around 23
mph until 2200, then light.
Ridgetop wind.......West 15 to 20 mph until 2300, then north around
10 mph until 0200, then east.
Mixing height.......7000 ft AGL until 2000, then 500 ft AGL.
Transport winds.....West 15 to 20 mph until 2400, then around 10
mph until 0100, then south around 10 mph.
Smoke dispersal.....Excellent early in the evening decreasing to
Poor after 2400.
TIME (MDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P
Sky (%).........15 10 15 10 5 10 15 15 15 15 15 10
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0
Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 0
Temp............67 64 62 58 55 54 53 52 52 51 50 49
RH..............24 27 29 34 37 41 44 45 45 44 45 45
20 FT wind dir..W W W W NW N N NE E E E SE
20 FT wind spd..13 11 9 8 6 6 5 4 4 4 4 4
20 FT wind gust.23 20 18 16 14 12 10 10 8 8 8 8
Ridge wind dir..W W W W NW N N NE E E E SE
Ridge wind spd..20 20 15 15 15 10 10 10 10 10 10 10
Mix hgt (kft)...8.5 7.0 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.W W W W W W W S S S S S
Transp wind spd.21 20 16 15 13 12 10 9 9 9 9 9
SDspl kt-ft/1000151 121 13 4 3 3 2 2 2 2 2 2
.FORECAST DAYS 3 THROUGH 5...
.THURSDAY...
Partly cloudy. Slight chance of showers and thunderstorms. Lows
around 50. Highs in the lower 70s. West winds around 7 mph.
.FRIDAY...
Mostly clear. Lows in the upper 40s. Highs in the lower 70s.
Southwest winds around 7 mph.
.SATURDAY...
Mostly clear. Lows in the upper 40s. Highs in the mid 70s.
Southwest winds around 7 mph.
$$
Forecaster...Rowe
Requested by...James Turner
Type of request...WILDFIRE
.TAG 2518393.0/RIW
.DELDT 07/21/25
.FormatterVersion 2.0.0
.EMAIL eric.neiswanger@usda.gov,timothy.sherwin@usda.gov,james.c.turner@usda.gov