640
FNUS55 KGGW 152051
FWFGGW
FIRE WEATHER PLANNING FORECAST FOR NORTHEAST MONTANA
NATIONAL WEATHER SERVICE GLASGOW MT
251 PM MDT MON SEP 15 2025
DISCUSSION
EVEN THOUGH SCATTERED THUNDERSTORMS ARE STILL EXPECTED TODAY
THROUGH TOMORROW, THE OVERALL HIGH HUMIDITY READINGS AND WEAKER
WIND SPEEDS SHOULD KEEP FIRE WEATHER CONCERNS MINIMAL. LATER THIS
WEEK, THE GENERAL THUNDERSTORM ACTIVITY WILL MOVE EAST OF OUR
REGION, BRINGING SLIGHTLY DRIER CONDITIONS TO NORTHEAST MONTANA.
MTZ134-161015-
NORTHERN VALLEY AND NORTHERN PHILLIPS COUNTIES-
251 PM MDT MON SEP 15 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS. SOME
THUNDERSTORMS MAY PRODUCE GUSTY WINDS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....51-56.
MAX HUMIDITY........83-88 PERCENT.
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 15 MPH BECOMING NORTH 5 TO
10 MPH LATE IN THE NIGHT.
CWR (> 0.10 INCH)...10 PERCENT.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT). A SLIGHT CHANCE
OF SHOWERS IN THE MORNING, THEN A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....76-81.
MIN HUMIDITY........38-43 PERCENT.
20-FOOT WINDS.......NORTH WINDS 5 TO 15 MPH.
CWR (> 0.10 INCH)...10 PERCENT.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....46-51.
MAX HUMIDITY........83-88 PERCENT.
20-FOOT WINDS.......NORTH WINDS 10 TO 15 MPH DECREASING TO UP TO 5
MPH IN THE LATE EVENING AND OVERNIGHT.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
WEDNESDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....73-78.
MIN HUMIDITY........35-40 PERCENT.
20-FOOT WINDS.......NORTHEAST WINDS UP TO 5 MPH IN THE MORNING.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE MID 70S.
EAST WINDS 5 TO 15 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. SOUTHEAST WINDS 5 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 70S. SOUTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE LOWER 80S.
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S.
MTZ135-161015-
THE LITTLE ROCKIES-
251 PM MDT MON SEP 15 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). A CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. SOME
THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE
EVENING. SOME THUNDERSTORMS MAY PRODUCE GUSTY
WINDS AFTER MIDNIGHT.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....58-63 VALLEYS AND 50-55 RIDGES.
MAX HUMIDITY........68-73 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......NORTHWEST WINDS 5 TO 15 MPH.
RIDGE............NORTHWEST WINDS 5 TO 15 MPH.
CWR (> 0.10 INCH)...20 PERCENT.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). A CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. SOME
THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE
MORNING.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....77-82 VALLEYS AND 67-72 RIDGES.
MIN HUMIDITY........35-40 PERCENT VALLEYS AND 46-51 PERCENT RIDGES.
20-FOOT WINDS.......
LOWER ELEVATION......NORTH WINDS 5 TO 15 MPH.
RIDGE............NORTH WINDS 5 TO 15 MPH.
CWR (> 0.10 INCH)...10 PERCENT.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....54-59 VALLEYS AND 47-52 RIDGES.
MAX HUMIDITY........68-73 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......NORTH WINDS 5 TO 10 MPH.
RIDGE............NORTH WINDS 5 TO 10 MPH.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
WEDNESDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....77-82 VALLEYS AND 67-72 RIDGES.
MIN HUMIDITY........30-35 PERCENT VALLEYS AND 40-45 PERCENT RIDGES.
20-FOOT WINDS.......
LOWER ELEVATION......UPSLOPE/UPVALLEY 2-5 MPH BECOMING
UPSLOPE/UPVALLEY 4-8 MPH IN THE AFTERNOON.
RIDGE............NORTH WINDS UP TO 5 MPH BECOMING EAST IN THE
AFTERNOON.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. SOUTHEAST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. SOUTHEAST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 70S. SOUTHEAST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS AROUND 80.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID
70S.
MTZ136-161015-
THE LOWER MISSOURI RIVER BREAKS INCLUDING THE CHARLES M RUSSELL
NATIONAL WILDLIFE REFUGE-
251 PM MDT MON SEP 15 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT). A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS. SOME
THUNDERSTORMS MAY PRODUCE GUSTY WINDS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....54-59.
MAX HUMIDITY........76-81 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......WEST WINDS 5 TO 10 MPH.
RIDGE............WEST WINDS 5 TO 10 MPH.
CWR (> 0.10 INCH)...10 PERCENT.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). A CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. SOME
THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE
MORNING.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....76-81.
MIN HUMIDITY........41-46 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......NORTH WINDS 5 TO 15 MPH.
RIDGE............NORTH WINDS 5 TO 15 MPH.
CWR (> 0.10 INCH)...10 PERCENT.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE EVENING.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....51-56.
MAX HUMIDITY........78-83 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......NORTH WINDS 5 TO 10 MPH.
RIDGE............NORTH WINDS 5 TO 10 MPH.
CWR (> 0.10 INCH)...10 PERCENT.
WEDNESDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....74-79.
MIN HUMIDITY........36-41 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......UPSLOPE/UPVALLEY 2-5 MPH BECOMING
UPSLOPE/UPVALLEY 4-8 MPH IN THE AFTERNOON.
RIDGE............NORTHEAST WINDS UP TO 5 MPH.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. EAST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S. SOUTHEAST WINDS 5 TO 15 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS AROUND
80. SOUTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S.
MTZ137-161015-
SOUTHERN PETROLEUM AND SOUTHERN GARFIELD COUNTIES-
251 PM MDT MON SEP 15 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). A CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN
A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. SOME
THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE
EVENING. SOME THUNDERSTORMS MAY PRODUCE GUSTY
WINDS AFTER MIDNIGHT.
CHANCE OF THUNDER...40 PERCENT.
MIN TEMPERATURE.....51-56.
MAX HUMIDITY........86-91 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.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). A CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. SOME
THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE
MORNING.
CHANCE OF THUNDER...50 PERCENT.
MAX TEMPERATURE.....74-79.
MIN HUMIDITY........43-48 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......NORTHWEST WINDS 5 TO 15 MPH.
RIDGE............NORTHWEST WINDS 5 TO 15 MPH.
CWR (> 0.10 INCH)...20 PERCENT.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (35-45 PERCENT). A CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....49-54.
MAX HUMIDITY........86-91 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......DOWNSLOPE/DOWNVALLEY 2-5 MPH.
RIDGE............NORTHWEST WINDS UP TO 5 MPH.
CWR (> 0.10 INCH)...10 PERCENT.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING
SUNNY (10-20 PERCENT). A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....74-79.
MIN HUMIDITY........36-41 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......UPSLOPE/UPVALLEY 2-5 MPH.
RIDGE............NORTHWEST WINDS UP TO 5 MPH BECOMING NORTHEAST
IN THE AFTERNOON.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE MID 70S.
SOUTHEAST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. SOUTHEAST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS AROUND 80.
SOUTHEAST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 80S.
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 70S.
MTZ120-161015-
FORT PECK RESERVATION AND DANIELS/ROOSEVELT/SHERIDAN COUNTIES-
251 PM MDT MON SEP 15 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS. SOME
THUNDERSTORMS MAY PRODUCE GUSTY WINDS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....52-57.
MAX HUMIDITY........88-93 PERCENT.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH BECOMING SOUTHWEST
UP TO 5 MPH IN THE LATE EVENING AND EARLY
MORNING, THEN BECOMING NORTHWEST 5 TO 10 MPH
LATE IN THE NIGHT.
CWR (> 0.10 INCH)...10 PERCENT.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). A SLIGHT CHANCE
OF SHOWERS IN THE MORNING, THEN A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....75-80.
MIN HUMIDITY........44-49 PERCENT.
20-FOOT WINDS.......NORTH WINDS 5 TO 15 MPH.
CWR (> 0.10 INCH)...10 PERCENT.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (40-50 PERCENT). A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....48-53.
MAX HUMIDITY........88-93 PERCENT.
20-FOOT WINDS.......NORTH WINDS 5 TO 15 MPH DECREASING TO UP TO 5
MPH IN THE LATE EVENING AND OVERNIGHT.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....71-76.
MIN HUMIDITY........48-53 PERCENT.
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 10 MPH.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE LOWER
70S. EAST WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 70S. SOUTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE LOWER 80S.
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID
70S.
MTZ122-161015-
DAWSON/MCCONE/PRAIRIE/RICHLAND/WIBAUX COUNTIES-
251 PM MDT MON SEP 15 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT). A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS. SOME
THUNDERSTORMS MAY PRODUCE GUSTY WINDS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....51-56.
MAX HUMIDITY........88-93 PERCENT.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH BECOMING SOUTHWEST
5 TO 10 MPH IN THE LATE EVENING AND OVERNIGHT.
CWR (> 0.10 INCH)...10 PERCENT.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). A CHANCE OF
SHOWERS IN THE MORNING, THEN A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....76-81.
MIN HUMIDITY........42-47 PERCENT.
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH BECOMING NORTHWEST 5 TO
15 MPH IN THE AFTERNOON.
CWR (> 0.10 INCH)...10 PERCENT.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (45-55 PERCENT). A CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
AFTER MIDNIGHT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....50-55.
MAX HUMIDITY........90-95 PERCENT.
20-FOOT WINDS.......NORTH WINDS 5 TO 10 MPH.
CWR (> 0.10 INCH)...10 PERCENT.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....73-78.
MIN HUMIDITY........44-49 PERCENT.
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 10 MPH.
CWR (> 0.10 INCH)...10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
THURSDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 50. HIGHS IN THE LOWER 70S. EAST WINDS
5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 70S. SOUTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER
80S.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER
70S.
WEATHER.GOV/GLASGOW
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