Spot Forecast
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
657
FNUS75 KRIW 101244
FWSRIW
Spot Forecast for Torrey Rim...USFS
National Weather Service Riverton WY
644 AM MDT Sat May 10 2025
Forecast is based on ignition time of 0500 MDT on May 10.
If conditions become unrepresentative, contact the National Weather
Service
.DISCUSSION...
High pressure continues across western WY today, with mainly clear
skies expected. Some afternoon cumulus is possible along the
higher elevations of the Winds, but no shower activity is expected
today. Temperatures will jump into the mid 50s by 0900, and remain
in the lower 60s through the afternoon. Winds will generally be
light upslope this morning, before switching from the southwest
around 10 mph with occasional gusts to 15 in the afternoon.
Sunday will see increasing chances for showers and thunderstorms,
especially in the afternoon. General winds will be from the
southwest around 10 mph, but thunderstorm gusts have potential to
reach above 30 mph in the afternoon.
...Thunderstorms imply strong gusty and erratic winds...
.TODAY...
Sky/weather.........Sunny (10-20 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of thunder...3 percent.
Max temperature.....Around 65.
Min humidity........27 percent.
Wind (20 ft)........Southwest winds around 8 mph until 0700, then
light until 1500, then southwest 7 to 10 mph
with gusts to around 18 mph.
Ridgetop wind.......Southwest 10 to 15 mph.
Mixing height.......2500 ft AGL until 1100, then 4000 ft AGL until
1200, then 7000 ft AGL until 1400, then 8000 ft
AGL until 1700, then 6000 ft AGL.
Transport winds.....Southwest 10 to 17 mph.
Smoke dispersal.....Poor until 1000. Good early in the morning
increasing to very good in the afternoon after
1400.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........10 10 10 20 15 15 15 5 5 5 10 15
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............36 41 45 51 56 58 61 62 63 64 64 64
RH..............64 57 51 42 37 34 31 30 29 27 28 27
20 FT wind dir..SW W W W W SW SW SW SW SW SW W
20 FT wind spd..8 6 5 4 4 4 5 6 6 7 8 10
20 FT wind gust. 10 10 10 10 11 12 13 14 16 17 18
Ridge wind dir..W W W W W SW SW SW SW SW SW W
Ridge wind spd..10 10 10 10 10 10 10 10 15 15 15 15
Mix hgt (kft)...1.5 1.5 1.5 2.0 2.5 4.0 6.0 7.0 8.0 8.0 6.5 6.0
Transp wind dir.SW SW W W W SW SW SW SW W W SW
Transp wind spd.12 12 10 12 14 14 14 15 16 16 16 17
SDspl kt-ft/100015 15 13 18 32 47 70 88 111 112 94 91
.TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent) then becoming
mostly cloudy (60-70 percent).
CWR.................1 percent.
Chance of pcpn......10 percent.
Chance of thunder...4 percent.
Min temperature.....Around 43.
Max humidity........60 percent.
Wind (20 ft)........Southwest winds 8 to 10 mph until 2100, then
light until 0300, then southwest around 7 mph.
Gusts up to 24 mph.
Ridgetop wind.......Southwest 10 to 15 mph.
Mixing height.......4000 ft AGL until 2000, then 1500 ft AGL.
Transport winds.....Southwest 12 to 21 mph.
Smoke dispersal.....Good until 1900, then fair until 2000, then
poor.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........20 40 40 35 25 25 45 55 60 60 70 70
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 10 10 10 10 10 10 10 10
Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 0
Temp............63 60 56 52 50 48 48 47 46 46 45 45
RH..............27 32 35 41 44 46 46 49 51 53 55 55
20 FT wind dir..W W SW SW SW SW SW SW SW SW SW SW
20 FT wind spd..10 9 8 6 6 6 6 6 6 7 7 7
20 FT wind gust.19 18 17 14 12 13 14 16 18 14 13 14
Ridge wind dir..W W SW SW SW SW SW SW SW SW SW SW
Ridge wind spd..15 15 15 10 10 10 15 15 15 15 15 15
Mix hgt (kft)...5.5 4.0 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
Transp wind dir.SW SW W W SW SW SW SW SW SW SW SW
Transp wind spd.17 16 15 12 13 14 15 15 17 17 17 21
SDspl kt-ft/100086 55 20 15 16 18 19 19 22 22 22 27
.SUNDAY...
Sky/weather.........Partly sunny (55-65 percent). Isolated rain
showers in the morning, then numerous rain
showers and scattered thunderstorms in the
afternoon.
CWR.................3 percent increasing to 33 percent in the
afternoon.
Chance of pcpn......60 percent.
Chance of thunder...29 percent.
Max temperature.....Around 61.
Min humidity........37 percent.
Wind (20 ft)........Southwest winds 8 to 17 mph with gusts to
around 33 mph until 1700, then around 18 mph
with gusts to around 34 mph. Gusty and erratic
winds expected near thunderstorms in the
afternoon.
Ridgetop wind.......Southwest 15 to 20 mph until 1100, then 25 to
30 mph.
Mixing height.......3000 ft AGL until 0900, then 4000 ft AGL until
1000, then 7000 ft AGL until 1200, then 8000 ft
AGL until 1700, then 6000 ft AGL.
Transport winds.....Southwest 20 to 26 mph until 1000, then 30 to
35 mph.
Smoke dispersal.....Poor until 0800, then fair until 0900, then
good until 1000, then excellent.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........70 70 70 60 60 55 50 50 55 55 55 50
Weather cov..... ISO SCT SCT SCT NUM SCT SCT
Weather type.... RW RW RW RW RW RW RW
Tstm cov........ SCT SCT SCT SCT SCT SCT
CWR.............0 0 0 0 0 0 30 30 30 30 30 30
Chc of pcpn (%).10 10 10 10 10 20 30 40 50 60 50 40
Chc of thdr (%).0 0 0 10 10 10 30 30 30 30 30 30
Temp............44 47 50 53 55 57 59 60 60 58 59 58
RH..............60 53 50 46 47 43 39 37 37 42 42 44
20 FT wind dir..SW W W W SW SW SW SW SW SW SW SW
20 FT wind spd..8 9 10 12 13 16 17 17 17 17 17 18
20 FT wind gust.17 19 22 25 26 30 31 31 32 32 33 34
Ridge wind dir..SW W W W SW SW SW SW SW SW SW SW
Ridge wind spd..15 15 15 20 20 25 25 25 25 25 25 30
Mix hgt (kft)...1.5 1.5 3.0 4.0 6.0 7.0 8.0 8.0 7.5 7.0 6.5 6.0
Transp wind dir.SW SW SW SW SW SW SW SW SW SW SW SW
Transp wind spd.21 20 22 26 30 32 35 33 32 31 32 33
SDspl kt-ft/100026 30 53 94 152 196 245 228 211 194 185 175
.FORECAST DAYS 3 THROUGH 5...
.MONDAY...
Mostly clear. Scattered showers. Lows in the mid 40s. Highs in
the upper 60s. Southwest winds around 14 mph.
.TUESDAY...
Partly cloudy. Numerous showers and isolated thunderstorms. Lows
around 40. Highs in the upper 50s. South winds around 11 mph.
.WEDNESDAY...
Colder. Showers, snow showers and isolated thunderstorms. Lows in
the mid 30s. Highs in the mid 40s. West winds around 11 mph.
$$
Forecaster...Straub
Requested by...Daniel Contreras
Type of request...PRESCRIBED
.TAG 2513664.1/RIW
.DELDT 05/09/25
.FormatterVersion 2.0.0
.EMAIL daniel.contreras@usda.gov,brandon.bonenberger@usda.gov,john.ellington@usda.gov