Spot Forecast
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
677
FNUS75 KRIW 150010
FWSRIW
Spot Forecast for Horse...WYBTF
National Weather Service Riverton WY
610 PM MDT Sat Jun 14 2025
Forecast is based on forecast start time of 0700 MDT on June 15.
If conditions become unrepresentative, contact the National Weather
Service
.DISCUSSION...
Overnight cloud cover pushes off to the northeast Sunday morning
leaving mostly sunny and warm conditions for the afternoon. Dry,
southwest flow remains over the fire site for at least the next few
days. Above normal temperatures and breezy afternoon westerly wind
persists through Monday. A weak weather disturbance moves across
the region Monday night into Tuesday, providing cooler temperatures
and more cloud cover. Precipitation chances are 10 percent or less
during the late afternoon hours Monday and Tuesday.
...Thunderstorms imply strong gusty and erratic winds...
.SUNDAY...
Sky/weather.........Partly sunny (50-60 percent) until 1000, then
becoming mostly sunny (15-25 percent) by 1200.
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Max temperature.....72-75.
Min humidity........17-20 percent.
Wind (20 ft)........Upslope 3 to 6 mph until 1000, then becoming
west-southwest 9 to 13 mph with gusts to around
22 mph by 1200.
Ridgetop wind.......Southwest 10 to 15 mph until 1000, then
increasing to 20 to 25 mph by 1200.
Mixing height.......1000 ft AGL or less until 1000, then rising to
around 8000 ft AGL by 1400.
Transport winds.....Upslope 5 to 8 mph until 1000, then becoming
southwest 15 to 25 mph by 1300.
Smoke dispersal.....Poor until 1000, then Excellent by 1400.
TIME (MDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........65 50 50 45 20 15 10 10 20 20 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............52 56 60 65 69 72 73 73 74 72 72
RH..............38 36 33 30 25 19 18 19 19 19 19
20 FT wind dir..S SE SE S S SW SW SW W W SW
20 FT wind spd..6 6 6 6 7 12 14 14 16 16 14
20 FT wind gust.10 8 7 11 13 17 19 19 22 22 19
Ridge wind dir..S SE SE S S SW SW SW W W SW
Ridge wind spd..10 10 10 10 15 20 20 20 25 25 20
Mix hgt (kft)...0.5 0.5 1.0 2.5 7.0 11 11 11 11 11 10
Transp wind dir.S S S S SW SW SW SW SW SW SW
Transp wind spd.12 12 12 14 17 24 25 25 26 25 24
SDspl kt-ft/10006 7 12 33 104 234 244 246 258 235 213
.SUNDAY NIGHT...
Sky/weather.........Partly cloudy (30-50 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Min temperature.....46-49.
Max humidity........47-50 percent.
Wind (20 ft)........West-southwest wind 9 to 13 mph with
gusts around 20 mph until 2030, then
becoming downslope 4 to 7 mph by 2200.
Ridgetop wind.......West-southwest 14 to 18 mph until 2100,
then decreasing to around 10 mph by 2400.
Mixing height.......8000 ft AGL until 1900, then decreasing to
less than 500 ft AGL by 2100.
Transport winds.....Southwest 15 to 20 mph until 2000, then
becoming downslope/downvalley 5 to 9 mph.
Smoke dispersal.....Excellent until 1900, then gradually
becoming Poor by 2200.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........30 20 25 35 20 35 50 45 40 35 45 55
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 68 65 61 57 56 54 53 52 51 50 50
RH..............21 23 27 31 32 34 36 36 37 37 38 39
20 FT wind dir..SW W SW W NW NW NW W W W W SW
20 FT wind spd..14 12 10 8 6 6 6 6 6 6 6 6
20 FT wind gust.19 17 16 14 12 10 10 8 10 10 10 8
Ridge wind dir..SW W SW W NW NW NW W W W W SW
Ridge wind spd..20 20 15 15 15 15 10 10 15 15 15 10
Mix hgt (kft)...9.5 6.5 1.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.SW W W W W W W W W W W W
Transp wind spd.23 20 17 15 13 13 12 12 13 13 13 12
SDspl kt-ft/1000191 107 23 6 5 5 5 5 5 5 5 5
.MONDAY...
Sky/weather.........Partly cloudy (30-50 percent) until 1200,
then becoming partly sunny (50-60 percent)
with an isolated shower possible after 1400.
CWR.................0 percent.
Chance of pcpn......10 percent.
Chance of thunder...5 percent.
Max temperature.....69-72.
Min humidity........21-24 percent.
Wind (20 ft)........Upslope 3 to 6 mph until 1100, then becoming
west 8 to 12 mph with gusts to around 20 mph
by 1300.
Ridgetop wind.......West 10 to 15 mph until 1300, then increasing
to 15 to 20 mph.
Mixing height.......1000 ft AGL or less until 1000, then rising
to around 8000 ft AGL by 1400.
Transport winds.....Upslope 5 to 8 mph until 1100, then becoming
west-southwest 14 to 18 mph by 1300.
Smoke dispersal.....Poor until 1000, then gradually becoming
Excellent by 1400.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........45 45 45 45 50 55 60 60 65 65 60 55
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............49 53 57 62 65 67 68 69 69 68 67 66
RH..............35 33 30 28 25 23 21 20 21 22 23 25
20 FT wind dir..NW W W W W W W W W W W W
20 FT wind spd..3 4 4 5 6 7 8 10 11 12 13 13
20 FT wind gust.6 7 8 10 11 14 16 18 18 19 20 20
Ridge wind dir..NW W W W W W W W W W W W
Ridge wind spd..10 10 10 10 10 15 15 15 20 20 20 20
Mix hgt (kft)...0.5 1.5 3.0 4.0 6.5 9.0 12 12 12 12 11 9.5
Transp wind dir.W W W W W W SW SW SW SW SW W
Transp wind spd.8 9 9 10 12 16 20 20 21 21 21 21
SDspl kt-ft/10003 13 23 37 66 128 198 201 216 219 194 169
.FORECAST DAYS 3 THROUGH 5...
.MONDAY NIGHT...
Mostly cloudy. Lows in the mid 40s. West wind around 10 mph.
.TUESDAY...
Partly to mostly cloudy. Highs in the lower 60s. Lows in the
mid 40s. West wind around 10 mph.
.WEDNESDAY...
Becoming clear. Highs in the upper 60s. Lows in the lower 40s.
West wind around 10 mph.
.THURSDAY - JUNETEENTH...
Clear and warmer. Highs in the mid 70s. Lows in the mid 40s.
Southwest wind around 10 mph.
$$
Forecaster...CNJ
Requested by...Anna Sammer, PSC3
Type of request...WILDFIRE
.TAG 2515958.1/RIW
.DELDT 06/14/25
.FormatterVersion 2.0.0
.EMAIL anna_sammer@firenet.gov