457
FNUS55 KGGW 230634
FWFGGW
FIRE WEATHER PLANNING FORECAST FOR NORTHEAST MONTANA
NATIONAL WEATHER SERVICE GLASGOW MT
1234 AM MDT SUN AUG 23 2026
DISCUSSION
SHOWERS AND THUNDERSTORMS WILL MOVE EAST ACROSS THE
REGION THIS MORNING AND AGAIN THIS AFTERNOON AND TONIGHT WITH A
COLD FRONT. A FEW STORMS COULD BECOME SEVERE WITH LARGE HAIN AND
STRONG GUSTY AND ERRATIC WINDS. GUSTY WEST TO NORTHWEST WINDS ARE
EXPECTED ON MONDAY WITH DRY WEATHER AND COOLER TEMPERATURES.
MTZ134-232230-
NORTHERN VALLEY AND NORTHERN PHILLIPS COUNTIES-
1234 AM MDT SUN AUG 23 2026
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT). A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE MORNING,
THEN A SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. SOME THUNDERSTORMS MAY BE SEVERE.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....91-96.
MIN HUMIDITY........28-33 PERCENT.
20-FOOT WINDS.......SOUTHEAST WINDS 10 TO 15 MPH BECOMING SOUTHWEST
5 TO 15 MPH IN THE LATE MORNING AND AFTERNOON.
CWR (> 0.10 INCH)...ZERO.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). A CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING. SOME
THUNDERSTORMS MAY BE SEVERE.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....56-61.
MAX HUMIDITY........65-70 PERCENT.
20-FOOT WINDS.......WEST WINDS 5 TO 15 MPH.
CWR (> 0.10 INCH)...20 PERCENT.
MONDAY
SKY/WEATHER.........SUNNY (20-30 PERCENT) THEN BECOMING PARTLY
CLOUDY (20-30 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....80-85.
MIN HUMIDITY........28-33 PERCENT.
20-FOOT WINDS.......WEST WINDS 15 TO 25 MPH.
CWR (> 0.10 INCH)...ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. NORTHWEST WINDS 15 TO 25 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
MID 80S. NORTHEAST WINDS 10 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 80S. SOUTHEAST WINDS 5 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 80S.
SATURDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN
THE MID 50S. HIGHS IN THE MID 80S.
MTZ135-232230-
THE LITTLE ROCKIES-
1234 AM MDT SUN AUG 23 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). A CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
SOME THUNDERSTORMS MAY BE SEVERE.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....94-99 VALLEYS AND 83-88 RIDGES.
MIN HUMIDITY........23-28 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......WEST WINDS 5 TO 15 MPH.
RIDGE............WEST WINDS 5 TO 15 MPH.
CWR (> 0.10 INCH)...ZERO.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE EVENING.
SOME THUNDERSTORMS MAY BE SEVERE.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....58-63.
MAX HUMIDITY........48-53 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......NORTHWEST WINDS 5 TO 15 MPH.
RIDGE............NORTHWEST WINDS 5 TO 15 MPH.
CWR (> 0.10 INCH)...ZERO.
MONDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....81-86 VALLEYS AND 72-77 RIDGES.
MIN HUMIDITY........26-31 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......WEST WINDS 5 TO 15 MPH.
RIDGE............WEST WINDS 5 TO 15 MPH.
CWR (> 0.10 INCH)...ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 80.
NORTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
MID 80S. EAST WINDS 5 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
UPPER 80S. SOUTHEAST WINDS 5 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE MID 80S.
SATURDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. HIGHS IN THE LOWER 80S.
MTZ136-232230-
THE LOWER MISSOURI RIVER BREAKS INCLUDING THE CHARLES M RUSSELL
NATIONAL WILDLIFE REFUGE-
1234 AM MDT SUN AUG 23 2026
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (45-55 PERCENT). A SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. SOME
THUNDERSTORMS MAY BE SEVERE.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....92-97.
MIN HUMIDITY........25-30 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......UPSLOPE/UPVALLEY 2-5 MPH.
RIDGE............WEST WINDS 5 TO 10 MPH.
CWR (> 0.10 INCH)...ZERO.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). A CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING. SOME THUNDERSTORMS MAY BE SEVERE.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....61-66.
MAX HUMIDITY........58-63 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......WEST WINDS 5 TO 15 MPH.
RIDGE............WEST WINDS 5 TO 15 MPH.
CWR (> 0.10 INCH)...20 PERCENT.
MONDAY
SKY/WEATHER.........SUNNY (20-30 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....80-85.
MIN HUMIDITY........23-28 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......WEST WINDS 10 TO 20 MPH.
RIDGE............WEST WINDS 10 TO 20 MPH.
CWR (> 0.10 INCH)...ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS 10 TO 20 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
MID 80S. EAST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE
LOWER 90S. SOUTHEAST WINDS 5 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 80S.
SATURDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. HIGHS IN THE MID 80S.
MTZ137-232230-
SOUTHERN PETROLEUM AND SOUTHERN GARFIELD COUNTIES-
1234 AM MDT SUN AUG 23 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). A CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
SOME THUNDERSTORMS MAY BE SEVERE. HEAVY
RAINFALL POSSIBLE IN THE AFTERNOON.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....92-97.
MIN HUMIDITY........22-27 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......UPSLOPE/UPVALLEY 5-10 MPH.
RIDGE............WEST WINDS 5 TO 10 MPH.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE EVENING.
SOME THUNDERSTORMS MAY BE SEVERE.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....59-64.
MAX HUMIDITY........59-64 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......WEST WINDS 5 TO 15 MPH.
RIDGE............WEST WINDS 5 TO 15 MPH.
CWR (> 0.10 INCH)...10 PERCENT.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT) THEN BECOMING
SUNNY (5-15 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....81-86.
MIN HUMIDITY........20-25 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......NORTHWEST WINDS 5 TO 15 MPH.
RIDGE............NORTHWEST WINDS 10 TO 20 MPH.
CWR (> 0.10 INCH)...ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. NORTHWEST WINDS 5 TO 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
80S. EAST WINDS 10 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE LOWER
90S. SOUTHEAST WINDS 5 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN THE
LOWER 60S. HIGHS IN THE UPPER 80S.
SATURDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. HIGHS IN THE MID 80S.
MTZ120-232230-
FORT PECK RESERVATION AND DANIELS/ROOSEVELT/SHERIDAN COUNTIES-
1234 AM MDT SUN AUG 23 2026
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT). A CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN
A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. SOME
THUNDERSTORMS MAY BE SEVERE IN THE MORNING.
SOME THUNDERSTORMS MAY PRODUCE DAMAGING WINDS
AND LARGE HAIL IN THE AFTERNOON.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....86-91.
MIN HUMIDITY........44-49 PERCENT.
20-FOOT WINDS.......SOUTHEAST WINDS 10 TO 20 MPH.
CWR (> 0.10 INCH)...10 PERCENT.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (40-50 PERCENT). A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE EVENING.
SOME THUNDERSTORMS MAY PRODUCE DAMAGING WINDS
AND LARGE HAIL IN THE EVENING.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....57-62.
MAX HUMIDITY........84-89 PERCENT.
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 15 MPH BECOMING SOUTHWEST
AFTER MIDNIGHT.
CWR (> 0.10 INCH)...30 PERCENT.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....81-86.
MIN HUMIDITY........28-33 PERCENT.
20-FOOT WINDS.......WEST WINDS 15 TO 25 MPH.
CWR (> 0.10 INCH)...ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 80.
NORTHWEST WINDS 15 TO 25 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS AROUND
80. NORTH WINDS 10 TO 20 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID
80S. EAST WINDS 5 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 80S.
SATURDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN
THE MID 50S. HIGHS IN THE MID 80S.
MTZ122-232230-
DAWSON/MCCONE/PRAIRIE/RICHLAND/WIBAUX COUNTIES-
1234 AM MDT SUN AUG 23 2026
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT). A CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING, THEN A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. SOME
THUNDERSTORMS MAY PRODUCE DAMAGING WINDS AND
LARGE HAIL.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....89-94.
MIN HUMIDITY........35-40 PERCENT.
20-FOOT WINDS.......SOUTH WINDS 5 TO 15 MPH.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE EVENING.
SOME THUNDERSTORMS MAY PRODUCE DAMAGING WINDS
AND LARGE HAIL IN THE EVENING.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....59-64.
MAX HUMIDITY........75-80 PERCENT.
20-FOOT WINDS.......EAST WINDS 5 TO 10 MPH BECOMING SOUTH LATE IN
THE EVENING, THEN BECOMING WEST AFTER MIDNIGHT.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
SUNNY (10-20 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....82-87.
MIN HUMIDITY........22-27 PERCENT.
20-FOOT WINDS.......WEST WINDS 10 TO 20 MPH.
CWR (> 0.10 INCH)...ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. NORTHWEST WINDS 10 TO 20 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 80S. NORTH WINDS 10 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE
UPPER 80S. EAST WINDS 5 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 80S.
SATURDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. HIGHS IN THE UPPER 80S.
WEATHER.GOV/GLASGOW
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