776
FNUS75 KRIW 102226
FWSRIW

Spot Forecast for Bare Fire...USFS
National Weather Service Riverton WY
426 PM MDT Mon Aug 10 2026

Forecast is based on forecast start time of 1700 MDT on August 10.
If conditions become unrepresentative, contact the National Weather
Service

.DISCUSSION...

Scattered thunderstorms currently nearing from the west over the
Wyoming Range in the next 20 to 30 mph by 1700. Gusty outflow
winds (likely westerly) to push up to 45 to 50 mph as storms pass.
Expect storms to push east of the area by 1900 with improving
skies there after. Otherwise, winds remain westerly around 15 to
20 mph through 2000 becoming light overnight into Tuesday. Winds
not as strong tomorrow with dry conditions for the entirety of the
day. Mixing and smoke dispersal remain very good through the
stronger winds this evening becoming poor overnight.

...Thunderstorms imply strong gusty and erratic winds...

.REST OF TODAY...

Sky/weather.........Mostly cloudy (65-75 percent). Patchy smoke.
CWR.................0 percent.
Chance of pcpn......10 percent.
Chance of thunder...13 percent.
Max temperature.....Around 78.
Min humidity........21 percent.
Wind (20 ft)........West winds around 10 mph with gusts to around
                    20 mph. Gusty and erratic winds expected near
                    thunderstorms.
Ridgetop wind.......West around 20 mph.
Mixing height.......7500 ft AGL.
Transport winds.....West around 20 mph.
Smoke dispersal.....Very good.

TIME (MDT)      5PM
Sky (%).........70
Weather cov.....ISO
Weather type....RW
Tstm cov........ISO
CWR.............0
Chc of pcpn (%).10
Chc of thdr (%).10
Temp............76
RH..............25
20 FT wind dir..W
20 FT wind spd..11
20 FT wind gust.16
Ridge wind dir..W
Ridge wind spd..20
Mix hgt (kft)...7.5
Transp wind dir.W
Transp wind spd.20
SDspl kt-ft/1000129

.TONIGHT...

Sky/weather.........Mostly cloudy (60-70 percent) then becoming
                    partly cloudy (45-55 percent). Patchy smoke in
                    the evening, then areas of smoke overnight.
CWR.................0 percent.
Chance of pcpn......10 percent.
Chance of thunder...9 percent.
Min temperature.....Around 54.
Max humidity........40 percent.
Wind (20 ft)........West winds 5 to 10 mph.
Ridgetop wind.......West 15 to 20 mph.
Mixing height.......6000 ft AGL until 1900. 500 ft AGL after 2000.
Transport winds.....West 15 to 20 mph.
Smoke dispersal.....Very good until 1900, then poor.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........75  70  60  65  65  65  55  55  60  60  55  50
Weather cov.....PTY PTY PTY PTY PTY PTY ARS ARS ARS ARS ARS ARS
Weather type....SMK SMK SMK SMK SMK SMK SMK SMK SMK SMK SMK SMK
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Chc of pcpn (%).10  10  10  0   0   0   0   0   0   0   0   0
Chc of thdr (%).10  10  10  0   0   0   0   0   0   0   0   0
Temp............75  73  71  67  65  62  60  59  58  57  57  56
RH..............26  27  29  33  36  38  39  40  40  40  39  38
20 FT wind dir..W   W   W   SW  W   W   W   SW  SW  W   W   W
20 FT wind spd..11  10  7   8   8   7   7   7   7   7   7   7
20 FT wind gust.16  14  10  12  12  10  11  11  10  11  10  10
Ridge wind dir..W   W   W   SW  W   W   W   SW  SW  W   W   W
Ridge wind spd..20  15  15  15  15  15  15  15  15  15  15  15
Mix hgt (kft)...6.0 3.5 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   SW  W   W   W   W   W   W   W   W
Transp wind spd.20  17  14  15  15  14  14  14  14  14  14  14
SDspl kt-ft/1000102 50  7   8   8   7   7   7   7   7   7   7

.TUESDAY...

Sky/weather.........Mostly sunny (35-45 percent). Areas of smoke
                    early in the morning.
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Max temperature.....Around 76.
Min humidity........17 percent.
Wind (20 ft)........Light winds until 1100, then west 8 to 10 mph
                    with gusts to around 20 mph.
Ridgetop wind.......West 10 to 15 mph.
Mixing height.......2000 ft AGL until 1100. 11500 ft AGL after
                    1300.
Transport winds.....West 15 to 20 mph until 1100, then 20 to 25
                    mph.
Smoke dispersal.....Poor until 1100, then excellent.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........45  55  45  35  35  40  25  35  40  45  40  45
Weather cov.....ARS
Weather type....SMK
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  57  62  67  70  72  74  75  75  75  76
RH..............39  39  37  32  25  22  20  18  17  17  16  16
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..6   6   5   4   6   8   10  10  10  10  10  10
20 FT wind gust.10  10  10  7   12  17  18  18  18  19  20  19
Ridge wind dir..W   W   W   W   W   W   W   W   W   W   W   W
Ridge wind spd..15  10  10  10  10  15  15  15  15  15  15  15
Mix hgt (kft)...0.5 0.5 0.5 2.0 5.5 7.5 9.0 10  11  12  11  11
Transp wind dir.W   W   W   W   W   W   W   W   W   W   W   W
Transp wind spd.13  12  10  13  17  18  20  21  21  21  21  20
SDspl kt-ft/10006   6   5   24  84  122 151 184 198 203 195 182

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY...
Mostly cloudy with chance of showers and thunderstorms. Lows in
the mid 50s. Highs in the upper 60s. Light winds.
.THURSDAY...
Mostly cloudy with showers and chance of thunderstorms. Lows
around 50. Highs in the lower 60s. Light winds.
.FRIDAY...
Mostly cloudy with showers likely and chance of thunderstorms.
Lows in the mid 40s. Highs in the lower 60s. Light winds.

$$
Forecaster...Lowe
Requested by...Tim CUsack
Type of request...WILDFIRE
.TAG 2619393.0/RIW
.DELDT 08/10/26
.FormatterVersion 2.0.0
.EMAIL timothy.cusack@usda.gov