745
FNUS75 KRIW 071128
FWSRIW

Spot Forecast for Deadline Ridge RX...BLM
National Weather Service Riverton WY
528 AM MDT Sat Jun 7 2025

Forecast is based on ignition time of 0600 MDT on June 07.
If conditions become unrepresentative, contact the National Weather
Service

.DISCUSSION...

Mostly sunny skies today with westerly winds around 10-15 mph
with gusts around 20 mph this afternoon. Minimum relative humidity
values are forecast to be between 25-30%. Mixing heights increase to
around 7000 AGL after 1200L with very good smoke dispersal after
1400L. There are no shower and thunderstorm chances today. There is
high confidence in this warm and dry weather trend continuing into
early next week.


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

.TODAY...

Sky/weather.........Mostly sunny (30-40 percent).
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Max temperature.....Around 67.
Min humidity........27 percent.
Wind (20 ft)........West winds 9 to 14 mph with gusts to around 19
                    mph.
Mixing height.......2000 ft AGL until 1000. 7000 ft AGL after 1200.
Transport winds.....West 17 to 22 mph.
Smoke dispersal.....Poor until 0900. Very good after 1400.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........65  35  5   0   0   0   0   0   0   0   0   0
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............47  49  50  54  57  60  62  63  65  66  66  66
RH..............41  39  36  33  30  28  27  29  31  31  31  31
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   NW
20 FT wind spd..10  9   10  10  11  11  12  12  13  13  14  14
20 FT wind gust.14  13  14  14  16  16  17  17  18  18  19  19
Mix hgt (kft)...0.5 0.5 0.5 2.0 3.5 4.5 5.5 6.0 6.5 7.0 6.5 6.0
Transp wind dir.W   W   W   W   W   W   W   W   W   W   NW  W
Transp wind spd.17  17  17  18  20  20  20  20  21  21  22  22
SDspl kt-ft/10005   6   11  31  64  79  95  103 118 122 125 118

.TONIGHT...

Sky/weather.........Mostly clear (5-15 percent).
Chance of pcpn......0 percent.
Chance of thunder...0 percent.
Min temperature.....Around 46.
Max humidity........55 percent.
Wind (20 ft)........West winds 8 to 13 mph with gusts to around 18
                    mph.
Mixing height.......5000 ft AGL until 2000, then 500 ft AGL.
Transport winds.....West 15 to 21 mph.
Smoke dispersal.....Very good early in the evening decreasing to
                    good late in the night until 2000. Poor after
                    2100.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........0   0   5   10  10  15  20  20  20  20  15  10
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............65  62  59  55  52  52  50  50  49  48  48  48
RH..............33  37  41  48  44  44  47  50  50  52  54  55
20 FT wind dir..NW  W   NW  NW  W   W   W   W   W   W   W   W
20 FT wind spd..13  11  9   9   9   8   9   10  10  10  10  10
20 FT wind gust.18  16  13  13  13  12  13  14  14  14  14  14
Mix hgt (kft)...6.0 5.0 2.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.W   NW  NW  NW  W   W   W   W   W   W   W   W
Transp wind spd.21  20  16  16  16  15  16  17  17  17  17  17
SDspl kt-ft/1000107 82  25  7   6   4   5   4   4   5   5   4

.SUNDAY...

Sky/weather.........Sunny (5-15 percent).
Chance of pcpn......0 percent.
Chance of thunder...4 percent.
Max temperature.....Around 69.
Min humidity........27 percent.
Wind (20 ft)........Northwest winds 8 to 13 mph with gusts to
                    around 18 mph.
Mixing height.......9000 ft AGL after 1200.
Transport winds.....Northwest 15 to 21 mph.
Smoke dispersal.....Poor until 0800. Very good early in the morning
                    increasing to excellent in the afternoon after
                    1300.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........10  10  5   0   5   5   10  10  15  15  10  5
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............47  51  55  58  61  63  65  66  67  68  68  68
RH..............54  52  48  44  40  35  33  32  30  28  27  27
20 FT wind dir..W   W   W   W   W   NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..10  9   9   8   8   8   9   10  11  12  13  13
20 FT wind gust.14  13  13  12  12  12  13  14  16  17  18  18
Mix hgt (kft)...0.1 0.5 1.5 2.5 4.0 6.0 8.5 8.5 9.0 9.0 8.5 8.0
Transp wind dir.W   W   NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
Transp wind spd.17  16  16  15  15  15  16  17  18  20  21  21
SDspl kt-ft/10004   6   18  30  54  79  116 128 140 153 154 146

.FORECAST DAYS 3 THROUGH 5...
.MONDAY...
Mostly clear with lows in the lower 40s and highs around 70. Light
winds.
.TUESDAY...
Mostly clear with lows in the upper 40s and highs in the lower 70s. West
winds around 7 mph.
.WEDNESDAY...
Partly cloudy with a chance of showers and thunderstorms. Lows in the
upper 40s and highs in the upper 60s. West winds around 8 mph.

$$
Forecaster...Gerhardt
Requested by...Mike Ellefson
Type of request...PRESCRIBED
.TAG 2515348.2/RIW
.DELDT 06/07/25
.FormatterVersion 2.0.0
.EMAIL mike.ellefson@gmail.com