503
FNUS75 KRIW 101207
FWSRIW

Spot Forecast for Cloud Peak SAR...BH Sheriff Office
National Weather Service Riverton WY
607 AM MDT Sun Aug 10 2025

Forecast is based on forecast start time of 0700 MDT on August 10.
If conditions become unrepresentative, contact the National Weather
Service

.DISCUSSION...

Most of the day should be mainly dry with a mix of clouds and sunshine. There
is around a 1 in 6 chance of shower or thunderstorm this afternoon, with the
best chance between 1300 and 1700. The main threat from any thunderstorm would
be wind gusts past 40 mph. Wind be largely light to moderate and terrain driven
today. Mainly dry weather is expected through Tuesday with a gradually warming
trend through the period.

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

.REST OF TODAY...

Sky/weather.........Partly sunny (45-55 percent). Slight chance of
                    showers and thunderstorms in the afternoon.
Chance of pcpn......20 percent.
Chance of thunder...16 percent.
Max temperature.....Around 53.
Min humidity........43 percent.
Min apparent temp...33.
Surface winds (mph).Light winds until 1100, then west 9 to 11 mph
                    with gusts to around 17 mph after 1200.
Wind (20 ft)........West winds 7 to 9 mph until 0900, west 7 to 9 mph
                    with gusts to around 14 mph after 1300. Gusty and
                    erratic winds expected near thunderstorms in the
                    afternoon.

TIME (MDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........60  55  50  40  40  40  40  45  45  40  40
Weather cov.....                    SCH SCH SCH SCH SCH SCH
Weather type....                    RW  RW  RW  RW  RW  RW
Tstm cov........                    SCH SCH SCH SCH SCH SCH
Chc of pcpn (%).10  10  10  10  10  20  20  20  20  20  20
Chc of thdr (%).0   0   10  10  10  10  20  20  20  20  20
Temp............37  43  43  45  47  49  51  52  52  53  53
RH..............82  70  71  70  65  61  57  53  49  45  44
Wind chill (F)..M   M   M   M   M   M   M   M   M   M   M
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..4   5   6   6   7   7   8   9   8   7   9
20 FT wind gust.6   7   8   10  11  11  13  14  13  11  14
Surface wnd dir.W   W   W   W   W   W   W   W   W   W   W
Surface wnd spd.5   6   8   8   9   9   10  11  10  9   11
Surface wnd gst.7   9   10  13  14  14  16  17  16  14  17

.TONIGHT...

Sky/weather.........Partly cloudy (35-45 percent) then becoming
                    mostly cloudy (50-60 percent) then becoming
                    partly cloudy (35-45 percent).
Chance of pcpn......0 percent.
Chance of thunder...5 percent.
Min temperature.....Around 37.
Max humidity........74 percent.
Min apparent temp...32.
Surface winds (mph).West winds around 10 mph with gusts to around
                    16 mph until 1900, then light.
Wind (20 ft)........West winds around 8 mph with gusts to around 13
                    mph until 1900, then light.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........30  35  40  45  55  50  45  40  35  35  30  30
Weather cov.....
Weather type....
Tstm cov........
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............52  50  46  42  41  41  40  40  38  38  38  37
RH..............43  47  54  58  59  57  59  64  68  71  71  72
Wind chill (F)..M   M   M   M   M   M   M   M   M   M   M   M
20 FT wind dir..W   W   NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..8   6   6   5   5   5   5   5   5   5   6   6
20 FT wind gust.13  10  8   7   7   7   7   7   7   7   8   8
Surface wnd dir.W   W   NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
Surface wnd spd.10  8   8   6   6   6   6   6   6   6   8   8
Surface wnd gst.16  13  10  9   9   9   9   9   9   9   10  10

.MONDAY...

Sky/weather.........Partly sunny (40-50 percent).
Chance of pcpn......0 percent.
Chance of thunder...1 percent.
Max temperature.....Around 56.
Min humidity........45 percent.
Min apparent temp...31.
Surface winds (mph).Light winds until 1000, then northwest 9 to 14
                    mph. Gusts up to 21 mph.
Wind (20 ft)........Northwest winds 7 to 11 mph until 0800, then
                    light until 1000, then northwest 7 to 11 mph.
                    Gusts up to 21 mph.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........35  40  45  35  50  50  50  50  55  55  55  55
Weather cov.....
Weather type....
Tstm cov........
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............37  39  44  48  50  51  54  55  56  56  56  55
RH..............74  72  66  60  58  54  50  47  45  45  46  48
Wind chill (F)..M   M   M   M   M   M   M   M   M   M   M   M
20 FT wind dir..NW  N   NW  NW  NW  W   W   NW  NW  NW  NW  NW
20 FT wind spd..6   6   6   6   7   9   10  11  11  11  11  11
20 FT wind gust.10  10  10  10  11  14  16  17  17  17  17  17
Surface wnd dir.NW  N   NW  NW  NW  W   W   NW  NW  NW  NW  NW
Surface wnd spd.8   8   8   8   9   11  13  14  14  14  14  14
Surface wnd gst.13  13  13  13  14  17  20  21  21  21  21  21

.FORECAST DAYS 3 THROUGH 5...
.TUESDAY...
Mostly clear. Lows in the upper 30s. Highs in the lower 60s. West
winds around 8 mph.
.WEDNESDAY...
Mostly clear. Lows in the mid 40s. Highs in the mid 60s.
Southwest winds around 10 mph.
.THURSDAY...
Partly cloudy. Slight chance of showers and thunderstorms. Lows
in the mid 40s. Highs in the mid 60s. West winds around 12 mph.

$$
Forecaster...Hattings
Requested by...Big Horn County Sheriff
Type of request...SAR
.TAG 2519654.0/RIW
.DELDT 08/10/25
.FormatterVersion 2.0.0
.EMAIL dispatch@bighorncountywy.gov,bighorncosar@gmail.com