338
FNUS75 KGGW 011106
FWSGGW
SPOT FORECAST FOR LAKE 11...FWS MED
NATIONAL WEATHER SERVICE GLASGOW MT
506 AM MDT FRI MAY 1 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 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. LIGHT WINDS 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 AROUND 15 MPH
BY NOON.
TODAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 68.
MIN HUMIDITY........21 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 8 MPH SHIFTING TO THE NORTHWEST
7 TO 10 MPH IN THE AFTERNOON.
MIXING HEIGHT.......7900 FT AGL.
TRANSPORT WINDS.....WEST 7 TO 12 MPH SHIFTING TO THE NORTHWEST 10
TO 12 MPH IN THE AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........15 11 10 17 9 7 7 9 5 4 4 5
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............31 34 40 45 54 53 58 60 64 65 67 68
RH..............61 57 47 41 33 29 27 25 23 23 21 21
20 FT WIND DIR..SW SW SW W W W W W NW NW W W
20 FT WIND SPD..3 4 6 6 7 8 8 9 10 10 8 7
20 FT WIND GUST.4 5 8 10 10 12 13 13 14 14 13 12
MIX HGT (KFT)...0.5 0.5 0.7 1.4 3.3 6.4 7.2 7.2 7.9 7.8 7.9 7.9
TRANSP WIND DIR.W W W W W NW NW NW NW NW NW W
TRANSP WIND SPD.8 7 8 9 10 12 10 12 12 12 12 10
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING
MOSTLY CLOUDY (60-70 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...1 PERCENT.
MIN TEMPERATURE.....AROUND 42.
MAX HUMIDITY........58 PERCENT.
WIND (20 FT)........WEST WINDS 6 TO 7 MPH SHIFTING TO THE SOUTHWEST
EARLY IN THE EVENING, THEN SHIFTING TO THE WEST
AROUND 7 MPH EARLY IN THE MORNING.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....WEST 9 TO 10 MPH SHIFTING TO THE SOUTHWEST 8 TO
14 MPH EARLY IN THE EVENING, THEN SHIFTING TO
THE WEST EARLY IN THE MORNING.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........11 8 21 39 41 50 48 61 62 67 62 63
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............67 65 60 53 50 48 48 47 46 44 43 44
RH..............22 26 31 37 40 42 43 45 46 48 51 53
20 FT WIND DIR..W W SW S S S S S SW SW SW W
20 FT WIND SPD..7 6 6 6 6 6 6 6 6 7 7 7
20 FT WIND GUST.11 10 10 10 10 10 10 10 11 11 11 11
MIX HGT (KFT)...7.3 3.1 0.8 0.5 0.4 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.W W SW S S S S S SW SW W W
TRANSP WIND SPD.10 9 8 10 10 12 13 14 14 12 12 13
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........36 PERCENT.
WIND (20 FT)........NORTHWEST WINDS AROUND 8 MPH SHIFTING TO THE
NORTH 13 TO 16 MPH WITH GUSTS TO AROUND 22 MPH
IN THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......6600 FT AGL.
TRANSPORT WINDS.....NORTH 13 TO 22 MPH.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........84 84 84 69 69 69 63 63 63 69 69 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............42 45 49 53 58 61 63 65 65 65 65 64
RH..............56 58 58 58 55 51 46 43 40 38 36 35
20 FT WIND DIR..NW NW NW N N N N N N N N N
20 FT WIND SPD..8 8 8 11 11 11 15 15 15 16 16 16
20 FT WIND GUST.13 13 13 17 17 17 20 20 20 22 22 22
MIX HGT (KFT)...0.6 0.7 1.2 1.9 3.0 4.1 5.1 5.8 6.3 6.5 6.6 6.4
TRANSP WIND DIR.NW N N N N N N N N N N N
TRANSP WIND SPD.13 13 16 20 21 22 22 22 22 21 20 20
FORECASTER...FORRESTER
REQUESTED BY...CODY WHITNEY
TYPE OF REQUEST...PRESCRIBED
.TAG 2612026.3/GGW
.DELDT 05/01/26
.FORMATTERVERSION 2.0.0
.EMAIL CODY_WHITNEY@FWS.GOV
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