Spot Forecast
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
739
FNUS75 KRIW 222331
FWSRIW
Spot Forecast for Pugsley Fire...Powder River Fire District
National Weather Service Riverton WY
531 PM MDT Tue Sep 22 2026
Forecast is based on forecast start time of 1700 MDT on September 22.
If conditions become unrepresentative, contact the National Weather
Service
.DISCUSSION...
Light showers will move over the site in the next hour or two. A
wetting rain is not expected. There is a 20 to 30% chance for
additional showers through 0200. Confidence for a wetting rain
remains low with these additional showers. Winds will remain
elevated in the wake of these showers with gusts up to 30 mph
possible through 0600 Wednesday morning. West to southwest winds
of 20 to 25 mph will begin by 1000, with winds closer to 20 mph
through the afternoon. A northerly wind shift will occur around
1800, but will stay in the 10-15 mph range. Winds will become
light (5 mph or less) after 2200 Wednesday night.
...Thunderstorms imply strong gusty and erratic winds...
.REST OF TODAY...
Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
Chance of pcpn......10 percent.
Chance of thunder...7 percent.
Max temperature.....Around 76.
Min humidity........28 percent.
Wind (20 ft)........Light winds.
Ridgetop wind.......Southwest around 15 mph.
Mixing height.......7500 ft AGL.
Transport winds.....Southwest around 15 mph.
Smoke dispersal.....Good.
TIME (MDT) 5PM
Sky (%).........10
Weather cov.....
Weather type....
Tstm cov........
CWR.............0
Chc of pcpn (%).10
Chc of thdr (%).10
Temp............74
RH..............32
20 FT wind dir..SW
20 FT wind spd..6
20 FT wind gust.14
Ridge wind dir..SW
Ridge wind spd..15
Mix hgt (kft)...7.5
Transp wind dir.SW
Transp wind spd.15
SDspl kt-ft/100099
.TONIGHT...
Sky/weather.........Partly cloudy (40-50 percent) then becoming
mostly cloudy (55-65 percent) by 2300 then
becoming partly cloudy (40-50 percent) after
0100. Chance of rain showers and slight chance
of thunderstorms in the evening, then slight
chance of rain showers overnight.
CWR.................2 percent.
Chance of pcpn......50 percent.
Chance of thunder...19 percent.
Min temperature.....Around 54.
Max humidity........72 percent.
Wind (20 ft)........Light winds until 1900. Winds southwest around
17 mph with gusts to around 25 mph after 0400.
Gusty and erratic winds expected near
thunderstorms in the evening.
Ridgetop wind.......South 10 to 15 mph until 0100, then southwest
20 to 25 mph.
Mixing height.......5000 ft AGL until 1900, then 500 ft AGL.
Transport winds.....South 14 to 16 mph until 2000. Southwest 18 to
25 mph after 0100.
Smoke dispersal.....Good until 1900, then poor.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........45 40 40 50 45 60 45 55 50 45 40 55
Weather cov.....SCH SCH SCH CHC CHC CHC SCH SCH SCH
Weather type....RW RW RW RW RW RW RW RW RW
Tstm cov........SCH SCH SCH SCH SCH SCH
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Chc of pcpn (%).10 20 20 30 50 30 20 20 20 10 0 0
Chc of thdr (%).10 20 20 20 20 20 10 10 10 0 0 0
Temp............72 68 64 62 60 58 58 57 57 57 57 56
RH..............35 44 53 64 70 72 71 68 64 60 61 61
20 FT wind dir..S S SE SE S S SW SW SW SW SW SW
20 FT wind spd..5 7 9 10 10 10 9 11 14 16 17 17
20 FT wind gust.17 16 14 16 16 16 14 18 21 24 25 25
Ridge wind dir..S S SE SE S S SW SW SW SW SW SW
Ridge wind spd..10 15 15 15 15 15 15 20 20 25 25 25
Mix hgt (kft)...5.0 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.SW S SE SE S S S SW SW SW SW SW
Transp wind spd.16 14 16 17 17 17 16 18 22 24 25 25
SDspl kt-ft/100072 10 9 8 9 9 8 10 12 13 12 11
.WEDNESDAY...
Sky/weather.........Mostly sunny (30-40 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of thunder...1 percent.
Max temperature.....Around 71.
Min humidity........42 percent.
Wind (20 ft)........Southwest winds 7 to 16 mph with gusts to
around 24 mph until 1700, then light.
Ridgetop wind.......Southwest 20 to 25 mph until 1300, then west
around 15 mph.
Mixing height.......1500 ft AGL until 1000. 7500 ft AGL after 1400.
Transport winds.....Southwest 15 to 24 mph until 1600, then west 13
to 14 mph.
Smoke dispersal.....Poor until 0900. Good increasing to very good
after 1100.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........45 55 30 10 15 20 20 35 35 40 45 40
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............56 54 56 58 61 63 65 67 68 69 70 68
RH..............62 65 63 59 54 50 46 45 43 42 41 41
20 FT wind dir..SW SW SW SW SW W W W W W W W
20 FT wind spd..16 16 16 15 15 13 12 10 9 8 7 6
20 FT wind gust.24 23 23 21 21 20 19 18 18 16 14 14
Ridge wind dir..SW SW SW SW SW W W W W W W W
Ridge wind spd..25 25 25 25 25 20 20 15 15 15 15 15
Mix hgt (kft)...0.5 0.5 1.0 1.5 2.5 4.0 5.5 6.5 7.5 7.5 7.0 7.0
Transp wind dir.SW SW SW SW W W W W W W W W
Transp wind spd.24 24 24 23 23 21 20 17 16 15 14 13
SDspl kt-ft/100011 12 16 26 46 74 98 99 102 98 86 76
.FORECAST DAYS 3 THROUGH 5...
.THURSDAY...
Mostly cloudy. Lows in the upper 40s. Highs in the lower 70s.
Southeast winds 10-20 mph.
.FRIDAY...
Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 50s. Highs in the mid 70s. South
to southwest winds 15-30 mph.
.SATURDAY...
Mostly clear. Lows in the lower 50s. Highs in the mid 70s.
West-southwest winds 20-30 mph.
$$
Forecaster...LaVoie
Requested by...Anita Bartlett
Type of request...WILDFIRE
.TAG 2622368.0/RIW
.DELDT 09/22/26
.FormatterVersion 2.0.0
.EMAIL prfd@rtconnect.net