673
FNUS75 KBYZ 211009
FWSBYZ

Spot Forecast for Horsethief Piles...BLM
National Weather Service Billings MT
309 AM MST Fri Feb 21 2025

Forecast is based on ignition time of 0700 MST on February 21.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office if you have questions
or concerns with this forecast.

.DISCUSSION...

Conditions will be dry with near normal temperatures in the mid
30s to low 40s F. Melting snow may cause ponding of water and
muddy conditions on rural roads. RH values will remain high
throughout the period. Winds will be persistent out of the
southwest with gusts into the 20s mph.

.TODAY...

Sky/weather.........Sunny.
Max temperature.....35-39.
Min humidity........68-72 percent.
Wind (20 ft)........
 Slope/valley.......Southwest 10 to 14 mph gusting to 25 mph
 in the afternoon.
Mixing height.......Increasing to 1200 ft AGL in the afternoon.
Transport winds.....West 12 to 18 mph.

TIME (MST)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........13  10  5   6   22  17  15  8   25  38  30
Weather cov.....
Weather type....
Tstm cov........
Temp............14  14  19  27  31  33  34  36  37  37  34
RH..............78  80  79  72  73  70  70  72  72  71  71
20 FT wind dir..SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..8   9   10  11  12  14  14  15  14  13  12
20 FT wind gust.12  13  14  16  18  23  23  23  20  18  18

.TONIGHT...

Sky/weather.........Partly cloudy becoming mostly cloudy.
Min temperature.....23-27.
Max humidity........72-76 percent.
Wind (20 ft)........
 Slope/valley.......Southwest 10 to 12 mph. Gusts up to 22
                    mph.
Mixing height.......Decreasing to 400 ft AGL overnight.
Transport winds.....Southwest 16 to 20 mph.

TIME (MST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........35  27  30  25  28  37  52  63  75  82  89  89
Weather cov.....
Weather type....
Tstm cov........
Temp............30  29  28  28  26  25  25  28  28  29  29  30
RH..............72  72  71  71  70  72  74  72  74  72  73  71
20 FT wind dir..SW  W   W   W   SW  SW  SW  SW  SW  SW  W   W
20 FT wind spd..11  10  10  10  10  10  10  11  11  11  10  10
20 FT wind gust.18  17  17  17  20  20  20  20  20  22  22  22

.SATURDAY...

Sky/weather.........Cloudy.
Max temperature.....39-43.
Min humidity........69-73 percent.
Wind (20 ft)........
 Slope/valley.......West 11 to 16 mph with gusts to around 27
                    mph.
Mixing height.......Increasing to 900 ft AGL in the afternoon.
Transport winds.....West 22 to 24 mph.

TIME (MST)      6 AM      9 AM      NOON      3 PM
Sky (%).........79        69        63        53
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Temp............29        33        40        41
RH..............74        74        74        73
20 FT wind......W 11G16   W 13G18   W 14G23   W 15G27

$$
Forecaster...Torgerson/Palmquist
Requested by...Robert Griffin
Type of request...PRESCRIBED
.TAG 2502964.3/BYZ
.DELDT 02/21/25
.FormatterVersion 2.0.0
.EMAIL dday@blm.gov,rmgriffin@blm.gov