Suppression Forecast
Issued by NWS Riverton, WY

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995
FNUS75 KRIW 121125
FWSRIW

Spot Forecast for Horse...USFS
National Weather Service Riverton WY
525 AM MDT Sat Jul 12 2025

Forecast is based on forecast start time of 0700 MDT on July 12.
If conditions become unrepresentative, contact the National Weather
Service

.DISCUSSION...

High pressure over the burn site will bring a dry and warm day today.
High temperatures will average close to yesterday`s highs with
humidity fairly similar as well. Wind will be less than yesterday,
with west wind gusts around 5 mph less after morning inversions
break, with gusts largely up to 15 to 18 mph. Wind will be largely
light before noon. Mixing and smoke dispersal will become very good
after inversions break between 1000 and 1100. Dry and warm weather
will continue through at least Monday.

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

.REST OF TODAY...

Sky/weather.........Sunny (10-20 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Max temperature.....Around 74.
Min humidity........29 percent.
Wind (20 ft)........Light winds until 1200, then west 8 to 10 mph
                    with gusts to around 16 mph.
Ridgetop wind.......Light winds until 1000, then west 10 to 16 mph.
Mixing height.......500 ft AGL until 0900. 7500 ft AGL after 1400.
Transport winds.....Southwest around 7 mph until 0900. West around
                    17 mph after 1500.
Smoke dispersal.....Poor until 0900. Very good after 1400.

TIME (MDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........5   5   5   10  10  15  15  20  25  25  25
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............47  53  59  62  65  68  71  73  74  74  73
RH..............60  62  54  49  45  39  33  31  27  25  29
20 FT wind dir..SW  S   S   SW  W   W   W   W   W   W   W
20 FT wind spd..2   2   2   4   6   8   9   9   10  10  10
20 FT wind gust.            6   10  13  14  14  16  16  16
Ridge wind dir..SW  S   S   SW  W   W   W   W   W   W   W
Ridge wind spd..5   5   5   10  15  15  15  15  15  15  15
Mix hgt (kft)...0.5 0.5 3.0 4.5 5.5 6.5 7.0 7.5 7.5 7.5 7.5
Transp wind dir.SW  SW  W   W   W   W   W   W   W   W   W
Transp wind spd.7   7   7   9   13  15  16  16  17  17  17
SDspl kt-ft/10003   4   17  37  62  88  101 105 115 112 111

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Min temperature.....Around 51.
Max humidity........38 percent.
Wind (20 ft)........West winds 7 to 10 mph with gusts to around 16
                    mph until 2200, then light.
Ridgetop wind.......West 10 to 15 mph.
Mixing height.......5500 ft AGL until 2000, then 500 ft AGL.
Transport winds.....Northwest 9 to 17 mph.
Smoke dispersal.....Very good early in the evening decreasing to
                    good late in the night until 2000, then poor.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........20  25  25  10  10  10  5   5   5   5   5   10
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............71  70  68  63  58  56  55  54  53  52  52  51
RH..............30  31  31  33  35  35  35  37  37  37  37  38
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..10  9   8   7   6   6   6   6   5   5   4   4
20 FT wind gust.16  14  13  11  10  10  8   8   7   7   6   6
Ridge wind dir..W   W   W   W   W   W   W   W   W   W   W   W
Ridge wind spd..15  15  15  15  15  15  10  10  10  10  10  10
Mix hgt (kft)...7.0 5.5 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   NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
Transp wind spd.17  16  15  14  13  13  12  12  10  10  9   9
SDspl kt-ft/1000103 77  13  7   6   6   5   6   5   5   5   5

.SUNDAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of thunder...2 percent.
Max temperature.....Around 79.
Min humidity........22 percent.
Wind (20 ft)........Light winds until 0900. Winds west 7 to 8 mph
                    with gusts to around 13 mph after 1500.
Ridgetop wind.......West around 10 mph until 0800, then light until
                    1000, then west 10 to 15 mph.
Mixing height.......1000 ft AGL until 0900. 9500 ft AGL after 1300.
Transport winds.....Northwest 8 to 9 mph until 0800, then southwest
                    7 to 9 mph until 1200, then west 10 to 15 mph.
Smoke dispersal.....Poor until 0900. Very good after 1500.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........10  15  5   0   0   5   5   5   5   10  10  5
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............51  53  58  64  69  73  76  78  79  79  79  78
RH..............36  36  34  31  27  26  25  24  23  23  22  22
20 FT wind dir..NW  W   W   SW  SW  W   W   W   W   W   W   W
20 FT wind spd..4   3   2   2   3   4   5   6   6   7   8   8
20 FT wind gust.6                   6   7   8   10  11  13  13
Ridge wind dir..NW  W   W   SW  SW  W   W   W   W   W   W   W
Ridge wind spd..10  10  5   5   10  10  10  10  15  15  15  15
Mix hgt (kft)...0.5 0.5 1.0 2.5 4.5 6.5 8.0 8.5 9.0 9.5 9.0 8.0
Transp wind dir.NW  NW  S   SW  SW  SW  W   W   W   W   W   W
Transp wind spd.9   8   7   7   8   9   10  12  13  14  15  15
SDspl kt-ft/10004   4   7   16  32  51  73  86  100 115 116 107

.FORECAST DAYS 3 THROUGH 5...
.MONDAY...
Mostly clear. Lows in the lower 50s. Highs in the mid 70s. West
winds around 7 mph.
.TUESDAY...
Mostly clear. Lows in the lower 50s. Highs in the mid 70s. West
winds around 8 mph.
.WEDNESDAY...
Mostly clear. Slight chance of showers and thunderstorms. Lows
around 50. Highs in the lower 70s. Southwest winds around 9 mph.

$$
Forecaster...Hattings
Requested by...Cass Urbigkit
Type of request...WILDFIRE
.TAG 2517499.3/RIW
.DELDT 07/12/25
.FormatterVersion 2.0.0
.EMAIL cass.urbigkit@wyo.gov