525
FNUS75 KGGW 011117
FWSGGW

Spot Forecast for State Line RX...FWS MED
National Weather Service Glasgow MT
517 AM MDT Fri May 1 2026

Forecast is based on ignition time of 0800 MDT on May 01.
If conditions become unrepresentative...contact the National Weather
Service at (406) 228-9622.

.DISCUSSION...Upper level ridge will bring warm and dry weather
today with mostly clear skies. Variable winds around 5 mph early
will become west by 9 am and vary from west to northwest around 10
mph this afternoon. Winds will turn to the south tonight. A dry
cold front between 5 am and 6 am on Saturday will shift winds to
the northwest and become north by 9 am and increase to 15 to 20 mph
by noon.

.REST OF TODAY...

Sky/weather.........Sunny (15-25 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....Around 67.
Min humidity........20 percent.
Wind (20 ft)........West winds 7 to 8 mph shifting to the northwest
                    8 to 9 mph in the afternoon.
Mixing height.......7800 ft AGL.
Transport winds.....Northwest 10 to 14 mph.

TIME (MDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........40  31  26  13  10  2   4   6   3   4
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0
Temp............40  45  53  55  59  60  63  65  67  67
RH..............44  37  31  27  26  25  23  22  20  20
20 FT wind dir..W   W   W   W   NW  NW  NW  NW  NW  NW
20 FT wind spd..7   8   8   8   9   9   9   9   9   8
20 FT wind gust.10  12  12  13  14  14  14  14  14  14
Mix hgt (kft)...0.7 1.5 2.9 6.4 6.9 7.2 7.7 7.8 7.6 7.6
Transp wind dir.W   W   NW  NW  NW  NW  NW  NW  NW  W
Transp wind spd.10  10  10  12  13  13  14  12  12  10

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    mostly cloudy (65-75 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Min temperature.....Around 42.
Max humidity........60 percent.
Wind (20 ft)........West winds around 8 mph shifting to the
                    southwest early in the evening, then shifting
                    to the south 7 to 8 mph early in the evening
                    shifting to the west around 9 mph after 3 am
                    shifting to the northwest around 10 mph.
Mixing height.......400 ft AGL.
Transport winds.....West around 10 mph shifting to the south early
                    in the evening, then shifting to the southwest
                    around 13 mph overnight shifting to the
                    northwest around 14 mph early in the morning.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........6   8   31  28  46  41  50  50  49  52  49  69
Weather cov.....
Weather type....
Tstm cov........
CWR.............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............66  64  59  53  51  48  47  45  45  44  42  44
RH..............20  23  29  35  37  40  43  45  45  45  50  50
20 FT wind dir..W   SW  S   S   S   S   S   S   S   SW  W   NW
20 FT wind spd..8   8   7   7   7   7   8   8   8   8   9   10
20 FT wind gust.13  12  11  10  11  11  13  13  13  14  14  14
Mix hgt (kft)...7.7 3.3 0.7 0.4 0.4 0.4 0.5 0.5 0.4 0.4 0.4 0.6
Transp wind dir.W   W   SE  S   S   S   SW  S   SW  SW  W   NW
Transp wind spd.10  10  9   9   12  13  13  15  13  13  13  14

.SATURDAY...

Sky/weather.........Partly sunny (65-75 percent).
CWR.................0 percent.
Chance of thunder...0 percent.
Max temperature.....Around 63.
Min humidity........34 percent.
Wind (20 ft)........North winds 11 to 18 mph with gusts to around
                    24 mph.
Mixing height.......6100 ft AGL.
Transport winds.....North 14 to 23 mph.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........81  81  81  69  69  69  64  64  64  55  55  55
Weather cov.....
Weather type....
Tstm cov........
CWR.............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............44  46  50  51  55  57  59  61  62  63  63  62
RH..............57  58  59  60  56  52  48  43  39  36  34  33
20 FT wind dir..NW  NW  NW  N   N   N   N   N   N   N   N   N
20 FT wind spd..11  11  11  15  15  15  17  17  17  18  18  18
20 FT wind gust.17  17  17  20  20  20  24  24  24  24  24  24
Mix hgt (kft)...0.6 0.8 1.2 1.7 2.4 3.2 4.0 4.8 5.5 5.9 6.1 5.9
Transp wind dir.NW  N   N   N   N   N   N   N   N   N   N   N
Transp wind spd.14  15  17  20  21  23  23  23  23  23  23  23

$$
Forecaster...FORRESTER
Requested by...Cody Whitney
Type of request...PRESCRIBED
.TAG 2612355.0/GGW
.DELDT 05/01/26
.FormatterVersion 2.0.0
.EMAIL cody_whitney@fws.gov