503
FNUS75 KRIW 141134
FWSRIW

Spot Forecast for Horse...WYBTF
National Weather Service Riverton WY
534 AM MDT Sat Jun 14 2025

Forecast is based on forecast start time of 0700 MDT on June 14.
If conditions become unrepresentative, contact the National Weather
Service

.DISCUSSION...

Winds are generally from the west/southwest today. Starting the day,
speeds are 5 to 8 mph, increasing after 1000L to around 12 mph with
gusts near 15 mph. After 1200L, winds will be around 15 mph, with
gusts 20 to 25 mph. These winds continue through around 1900L, which
is when gusts should decrease. Westerly winds then prevail Saturday
evening, with speeds 5 to 8 mph. Winds shift to be from the south
around 0200L Sunday.

It will be dry through the weekend. Today, afternoon RHs are
expected to be in the low 20-percents. Sunday will likely be a
little drier. No precipitation is expected through the weekend.

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

.TODAY...

Sky/weather.........Sunny (20-30 percent). Partly sunny (50-60 percent)
                    between 1200 and 1600.
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of thunder...5 percent.
Max temperature.....Around 70.
Min humidity........20-24 percent.
Wind (20 ft)........Light winds until 0900, then southwest 10 to 15
                    mph with gusts to around 22 mph.
Ridgetop wind.......Southwest 10 to 15 mph until 1400, then west
                    around 20 mph.
Mixing height.......2000 ft AGL until 1000. 10000 ft AGL after
                    1200.
Transport winds.....Southwest 10 to 18 mph until 1400, then west
                    around 20 mph.
Smoke dispersal.....Poor until 0900. Excellent after 1300.

TIME (MDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........10  5   5   5   5   5   40  55  50  20  20
Weather cov.....
Weather type....
Tstm cov........
CWR.............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
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0
Temp............60  61  63  65  68  69  70  70  70  70  68
RH..............36  34  33  31  26  25  24  25  26  26  27
20 FT wind dir..SW  SW  SW  SW  SW  W   SW  W   W   SW  W
20 FT wind spd..5   6   6   6   9   9   10  13  12  13  12
20 FT wind gust.6   7   8   10  12  13  14  18  17  18  18
Ridge wind dir..W   SW  SW  SW  SW  W   SW  W   W   SW  W
Ridge wind spd..10  10  10  15  15  15  15  20  20  20  20
Mix hgt (kft)...0.5 0.5 2.0 5.0 8.0 10  10  10  9.0 9.5 9.5
Transp wind dir.SW  SW  SW  W   W   W   W   W   W   W   W
Transp wind spd.9   9   10  13  16  16  18  21  20  21  20
SDspl kt-ft/10005   5   16  53  109 138 163 178 156 169 161

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent) with periods
                    of mostly cloudy (60-70 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Min temperature.....Around 45.
Max humidity........45-50 percent.
Wind (20 ft)........West winds around 8 mph with gusts to around 15
                    mph until 2100, then light with a favored
                    south to southwest direction.
Ridgetop wind.......West 15 to 20 mph until 2200, then around 10
                    mph until 0300, then south.
Mixing height.......9000 ft AGL until 1900. 500 ft AGL after 2000.
Transport winds.....West 15 to 20 mph until 2200, then around 10 mph
                    until 0100, then south.
Smoke dispersal.....Excellent until 1900. Poor after 2000.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........20  15  30  35  30  40  40  35  65  45  75  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............67  65  63  58  54  52  51  51  50  49  50  49
RH..............29  31  34  41  45  38  46  41  41  44  42  42
20 FT wind dir..W   W   W   W   W   W   W   SW  SW  S   S   S
20 FT wind spd..12  10  7   6   5   5   4   4   4   4   5   5
20 FT wind gust.17  14  11  10  6   6   6   6   6   6   6   6
Ridge wind dir..W   W   W   W   W   W   W   SW  SW  S   S   S
Ridge wind spd..20  15  15  15  10  10  10  10  10  10  10  10
Mix hgt (kft)...9.0 6.5 1.0 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   S   SE  S   SE  S
Transp wind spd.20  17  14  13  10  10  9   9   9   9   10  10
SDspl kt-ft/1000156 97  11  6   5   5   5   5   5   4   5   5

.SUNDAY...

Sky/weather.........Mostly sunny (40-50 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of thunder...5 percent.
Max temperature.....Around 72.
Min humidity........15-19 percent.
Wind (20 ft)........South 7 to 10 mph with gusts to around 14 mph until
                    1300, then southwest 12 mph with gusts to around 22
                    mph in the afternoon.
Ridgetop wind.......South 10 to 15 mph until 1300, then southwest
                    around 20 mph.
Mixing height.......1500 ft AGL until 1000. 11000 ft AGL after
                    1200.
Transport winds.....South 12 to 20 mph until 1200, then southwest
                    around 25 mph.
Smoke dispersal.....Poor until 0900. Excellent after 1200.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........45  65  65  55  35  30  20  20  25  25  30  30
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............48  50  55  61  65  68  70  71  71  72  70  69
RH..............45  42  44  37  32  28  21  19  22  19  21  24
20 FT wind dir..S   SE  SE  SE  S   S   SW  SW  SW  SW  W   W
20 FT wind spd..6   6   6   7   8   9   10  11  12  13  13  13
20 FT wind gust.7   10  8   10  11  13  14  16  18  18  18  18
Ridge wind dir..S   SE  SE  SE  S   S   SW  SW  SW  SW  W   W
Ridge wind spd..10  15  15  15  15  15  15  20  20  20  20  20
Mix hgt (kft)...0.5 0.5 1.0 1.5 4.0 7.5 11  11  11  11  11  10
Transp wind dir.S   S   S   S   S   SW  SW  SW  SW  SW  SW  SW
Transp wind spd.12  13  13  14  15  20  24  24  25  25  25  24
SDspl kt-ft/10006   7   8   17  54  131 235 234 244 244 234 214

.FORECAST DAYS 3 THROUGH 5...
.MONDAY...
Partly cloudy. Lows in the upper 40s. Highs around 70. West winds
10 to 15 mph, with gusts 20 to 25 mph in the afternoon.
.TUESDAY...
Partly cloudy. Lows in the mid 40s. Highs in the lower 60s. West
winds around 15 mph, with gusts 25 to 30 mph.
.WEDNESDAY...
Clear. Lows in the lower 40s. Highs in the upper 60s. West winds
10 to 15 mph, with gusts 20 to 25 mph.

$$
Forecaster...Wittmann
Requested by...IC Mike Greer
Type of request...WILDFIRE
.TAG 2515958.0/RIW
.DELDT 06/14/25
.FormatterVersion 2.0.0
.EMAIL wytdc@firenet.gov