Spot Forecast
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
218
FNUS75 KRIW 111230
FWSRIW
Spot Forecast for Hams Fork Slash piles...USFS
National Weather Service Riverton WY
530 AM MST Wed Feb 11 2026
Forecast is based on ignition time of 0600 MST on February 11.
If conditions become unrepresentative, contact the National Weather
Service
.DISCUSSION...
Much higher relative humidity today compared to yesterday with
overcast skies and snow chances from ignition time through 1700L.
After 1700L, chances diminish to around 40 percent. Today`s snow
accumulations range from 3 to 6 inches, with the heaviest snowfall
most likely occurring from 0600L until 1300L. Liquid accumulations
around 0.4 inches. Light southerly winds at ignition time gradually
shift to be from the southwest between 0900L and 1000L. Once winds
become predominately southwesterly, expect gusts of 15 to 20 mph.
These gusts diminish after 1800L and winds shift to become
southeasterly between 1800L and 2000L. Light snow chances prevail
overnight through much of Thursday with additional snow
accumulations around 2 inches.
...Thunderstorms imply strong gusty and erratic winds...
.TODAY...
Sky/weather.........Cloudy (85-95 percent). Snow showers in the
morning and afternoon.
CWR.................56 percent decreasing to 9 percent late in the
afternoon.
Chance of pcpn......90 percent.
Chance of thunder...3 percent.
Max temperature.....Around 36.
Min humidity........82 percent.
Wind (20 ft)........Light winds until 1000, then southwest around 7
mph until 1600, then light. Gusts up to 21 mph.
Ridgetop wind.......Southwest 10 to 15 mph.
Mixing height.......2000 ft AGL after 0900.
Transport winds.....Southwest 12 to 15 mph.
Smoke dispersal.....Poor.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........95 95 95 95 95 95 95 90 90 90 85 85
Weather cov.....CHC CHC LKY DEF LKY DEF LKY CHC CHC CHC CHC CHC
Weather type....SW SW SW SW SW SW SW SW SW SW SW SW
Tstm cov........
CWR.............60 60 60 60 60 50 50 50 50 50 50 10
Chc of pcpn (%).40 50 60 80 70 90 70 40 40 40 30 40
Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 0
Temp............27 29 29 30 32 33 34 35 35 36 34 34
RH..............88 90 89 90 86 83 81 81 83 82 81 83
20 FT wind dir..S S S SW SW SW SW SW SW SW SW SW
20 FT wind spd..6 6 6 6 7 7 7 7 7 7 6 6
20 FT wind gust.11 12 13 14 14 16 16 17 17 16 14 14
Ridge wind dir..S S S SW SW SW SW SW SW SW SW SW
Ridge wind spd..10 10 15 15 15 15 15 15 15 15 15 10
Mix hgt (kft)...0.1 0.1 0.1 0.5 1.0 1.5 1.5 2.0 2.0 1.5 1.5 1.0
Transp wind dir.S S S S SW SW SW SW SW SW SW SW
Transp wind spd.12 12 13 14 14 14 14 14 15 14 13 12
SDspl kt-ft/10002 2 2 8 13 16 20 22 25 21 16 10
.TONIGHT...
Sky/weather.........Mostly cloudy (80-90 percent). Chance of snow
showers through the night.
CWR.................9 percent increasing to 19 percent late in the
evening.
Chance of pcpn......40 percent.
Chance of thunder...6 percent.
Min temperature.....Around 25.
Max humidity........91 percent.
Wind (20 ft)........Light winds.
Ridgetop wind.......Southwest around 10 mph until 2100, then south.
Mixing height.......500 ft AGL until 2000.
Transport winds.....Southwest 9 to 10 mph.
Smoke dispersal.....Poor.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........80 80 80 85 85 85 80 85 85 85 85 90
Weather cov.....SCH SCH CHC CHC CHC CHC CHC SCH CHC
Weather type....SW SW SW SW SW SW SW SW SW
Tstm cov........
CWR.............10 10 10 10 10 20 20 20 20 20 20 10
Chc of pcpn (%).20 20 10 10 10 30 30 30 40 40 20 40
Chc of thdr (%).0 0 0 0 0 10 10 10 0 0 0 0
Temp............32 30 30 29 29 29 29 29 29 29 28 28
RH..............85 88 89 90 90 91 88 90 90 87 89 90
20 FT wind dir..W W S S S SE SE S S SW S SW
20 FT wind spd..5 5 5 4 4 4 4 4 4 4 4 4
20 FT wind gust.12 10 10 8 8 7 7 7 7 7 7 7
Ridge wind dir..W W S S S SE SE S S SW S SW
Ridge wind spd..10 10 10 10 10 10 10 10 10 10 10 10
Mix hgt (kft)...0.5 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Transp wind dir.SW SW S S S S S S SW S SW SW
Transp wind spd.10 10 10 9 9 9 9 9 9 9 9 9
SDspl kt-ft/10006 2 0 0 1 0 0 0 0 1 0 0
.THURSDAY...
Sky/weather.........Mostly cloudy (70-80 percent). Chance of snow
showers.
CWR.................16 percent decreasing to 0 percent late in the
afternoon.
Chance of pcpn......50 percent.
Chance of thunder...6 percent.
Max temperature.....Around 37.
Min humidity........68 percent.
Wind (20 ft)........Light winds.
Ridgetop wind.......Southwest around 10 mph until 0800, then west.
Mixing height.......2500 ft AGL after 1400.
Transport winds.....South 9 to 10 mph until 1100, then west 10 to
12 mph.
Smoke dispersal.....Poor.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........85 85 80 75 70 65 65 65 65 65 65 65
Weather cov.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
Weather type....SW SW SW SW SW SW SW SW SW SW SW
Tstm cov........
CWR.............10 10 10 10 10 20 20 20 20 20 20 0
Chc of pcpn (%).40 40 40 40 40 50 50 50 50 50 50 10
Chc of thdr (%).0 0 0 0 0 10 10 10 10 10 10 0
Temp............28 27 26 28 31 34 36 37 37 36 35 34
RH..............88 89 89 85 79 74 71 69 68 68 69 72
20 FT wind dir..SW W NW NW W W W W W W NW NW
20 FT wind spd..4 4 4 4 5 5 5 6 6 6 5 5
20 FT wind gust.7 7 8 10 10 10 11 12 13 13 13 12
Ridge wind dir..SW W NW NW W W W W W W NW NW
Ridge wind spd..10 10 10 10 10 10 10 10 10 10 10 10
Mix hgt (kft)...0.1 0.1 0.1 0.5 1.0 1.5 1.5 2.0 2.5 2.0 2.0 1.5
Transp wind dir.S S S SW SW W W W W W W W
Transp wind spd.9 9 9 9 10 10 10 12 12 12 10 10
SDspl kt-ft/10000 0 0 4 9 13 16 20 23 20 16 14
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...
Partly cloudy. Lows in the lower 20s. Highs in the mid 30s. Light
winds around 5 mph.
.SATURDAY...
Partly cloudy. Lows around 18. Highs in the mid 30s. Light winds
around 6 mph.
.SUNDAY...
Mostly cloudy with slight chance of snow showers. Lows in the mid
20s. Highs in the upper 30s. Light winds around 7 mph.
$$
Forecaster...Gerhardt
Requested by...Jacob Noren
Type of request...PRESCRIBED
.TAG 2602375.0/RIW
.DELDT 02/11/26
.FormatterVersion 2.0.0
.EMAIL jacob.noren@usda.gov