Spot Forecast
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
503
FNUS75 KRIW 011234
FWSRIW
Spot Forecast for Pine Creek 1_28 dec1...USFS SHF
National Weather Service Riverton WY
534 AM MST Mon Dec 1 2025
Forecast is based on ignition time of 1600 MST on December 01.
If conditions become unrepresentative, contact the National Weather
Service
.DISCUSSION...
Dry conditions and mostly clear skies by ignition time. High
clouds will be quickly increasing from the north-northwest late in
the afternoon. West winds with gusts of 25 to 30 mph will also be
ongoing through much of the afternoon. These winds will continue
through the overnight hours tonight. An isolated snow shower
cannot be ruled out tonight, but any accumulation will be minimal.
The gusty winds will continue Tuesday, with better chances for
snow. However confidence is low for any snow until the later half
of the afternoon.
...Thunderstorms imply strong gusty and erratic winds...
.TODAY...
Sky/weather.........Mostly sunny (35-45 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Max temperature.....Around 24.
Min humidity........46 percent.
Wind (20 ft)........West winds 14 to 15 mph with gusts to around 22
mph.
Ridgetop wind.......West 20 to 25 mph.
Mixing height.......1000 ft AGL.
Transport winds.....West 22 to 23 mph.
Smoke dispersal.....Poor.
TIME (MST) 4PM 5PM
Sky (%).........30 45
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0
Chc of pcpn (%).0 0
Chc of thdr (%).0 0
Temp............19 18
RH..............64 67
20 FT wind dir..W W
20 FT wind spd..15 14
20 FT wind gust.21 22
Ridge wind dir..W W
Ridge wind spd..25 20
Mix hgt (kft)...1.0 0.5
Transp wind dir.W W
Transp wind spd.23 22
SDspl kt-ft/100018 9
.TONIGHT...
Sky/weather.........Partly cloudy (45-55 percent) then becoming
mostly cloudy (65-75 percent). Slight chance of
snow showers in the evening. Chance of snow
showers early in the morning.
CWR.................0 percent.
Chance of pcpn......40 percent.
Chance of thunder...0 percent.
Min temperature.....Around 15.
Max humidity........82 percent.
Wind (20 ft)........West winds 13 to 20 mph. Gusts up to 29 mph
increasing to 40 mph in the late evening and
overnight.
Ridgetop wind.......West 20 to 25 mph until 2200, then around 30
mph.
Mixing height.......500 ft AGL.
Transport winds.....West 21 to 30 mph.
Smoke dispersal.....Poor.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........50 55 60 70 75 85 80 75 70 70 65 65
Weather cov..... SCH SCH CHC
Weather type.... SW SW SW
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Chc of pcpn (%).0 10 20 20 10 10 10 10 0 0 0 40
Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 0
Temp............17 17 17 17 18 19 18 18 17 17 16 16
RH..............68 68 68 66 65 66 69 73 78 80 81 82
20 FT wind dir..W W W W W W W W W W W W
20 FT wind spd..13 13 13 16 18 20 20 20 18 18 19 18
20 FT wind gust.20 19 20 23 28 31 32 31 31 30 30 29
Ridge wind dir..W W W W W W W W W W W W
Ridge wind spd..20 20 20 25 30 30 30 30 30 30 30 30
Mix hgt (kft)...0.5 0.5 0.5 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 W W W W W
Transp wind spd.21 21 21 24 28 30 30 30 29 29 29 28
SDspl kt-ft/10008 8 8 9 11 12 11 12 11 11 13 11
.TUESDAY...
Sky/weather.........Mostly cloudy (65-75 percent) then becoming
partly sunny (55-65 percent). Chance of snow
showers, then snow showers likely late in the
afternoon.
CWR.................0 percent increasing to 33 percent late in the
afternoon.
Chance of pcpn......70 percent.
Chance of thunder...0 percent.
Max temperature.....Around 27.
Min humidity........70 percent.
Wind (20 ft)........West winds 9 to 18 mph. Gusts up to 35 mph
decreasing to 25 mph late in the afternoon.
Ridgetop wind.......West 25 to 30 mph until 1500, then 15 to 20
mph.
Mixing height.......2000 ft AGL.
Transport winds.....West 21 to 28 mph until 1600, then 16 to 18
mph.
Smoke dispersal.....Poor.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........80 65 60 45 50 60 55 55 55 60 65 70
Weather cov.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC LKY
Weather type....SW SW SW SW SW SW SW SW SW SW SW SW
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 30
Chc of pcpn (%).40 40 40 40 40 40 40 40 40 40 40 70
Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 0
Temp............19 19 19 21 23 24 25 26 26 25 24 22
RH..............74 73 76 73 71 71 70 70 71 73 76 79
20 FT wind dir..W W W W W W W W W W W W
20 FT wind spd..18 17 17 17 17 17 17 16 15 13 11 9
20 FT wind gust.28 28 26 26 26 26 26 26 26 23 20 17
Ridge wind dir..W W W W W W W W W W W W
Ridge wind spd..30 25 25 25 25 25 25 25 25 20 20 15
Mix hgt (kft)...0.5 0.5 1.0 1.0 1.5 1.5 1.5 1.5 2.0 1.5 1.0 0.5
Transp wind dir.W W W W W W W W W W W W
Transp wind spd.28 26 25 25 25 25 25 24 24 21 18 16
SDspl kt-ft/100014 17 19 22 28 34 36 37 39 25 15 6
.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY...
Mostly cloudy. Snow showers. Lows around 14. Highs in the lower
20s. North winds around 7 mph.
.THURSDAY...
Partly cloudy. Lows around 10. Highs in the lower 20s. West winds
around 10 mph.
.FRIDAY...
Partly cloudy. Lows around 14. Highs in the mid 20s. West winds
around 13 mph.
$$
Forecaster...LaVoie
Requested by...Blake Davison
Type of request...PRESCRIBED
.TAG 2526705.0/RIW
.DELDT 12/01/25
.FormatterVersion 2.0.0
.EMAIL blake.davison@usda.gov