915
FNUS55 KGGW 132003
FWFGGW
FIRE WEATHER PLANNING FORECAST FOR NORTHEAST MONTANA
NATIONAL WEATHER SERVICE GLASGOW MT
203 PM MDT SUN SEP 13 2026
DISCUSSION
SE WINDS GUSTING UP TO 30 MPH ACROSS NE MONTANA AND RH VALUES
REACHING A MINIMUM OF ONLY 35% WILL RESULT IN LITTLE FIRE DANGER
TODAY. WIND GUSTS WILL INCREASE TOMORROW TO 40 MPH AS AN UPPER-LEVEL
LOW PASSES THROUGH THE REGION. HOWEVER, MOISTURE ASSOCIATED WITH THE
LOW WILL PRODUCE CWR TONIGHT AS WELL AS INCREASED RH VALUES TOMORROW,
WITH A MINIMUM VALUES NEAR 50%. THUS, FIRE DANGER WILL REMAIN LOW
THROUGH THE EARLY WEEK. WEDNESDAY, WEAK RIDGING WILL BECOME PREDOMINANT
OVER NE MONTANA WHILE SKIES BEGIN TO CLEAR AND TEMPERATURES RISE.
HOWEVER, WINDS WILL BE LIGHT AND RH VALUES ARE NOT ANTICIPATED TO DROP
BELOW 35%, RESULTING IN LOW FIRE DANGER THROUGH FRIDAY.
MTZ134-141045-
NORTHERN VALLEY AND NORTHERN PHILLIPS COUNTIES-
203 PM MDT SUN SEP 13 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). SHOWERS LIKELY
AND A SLIGHT CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....46-51.
MAX HUMIDITY........92-97 PERCENT.
20-FOOT WINDS.......EAST WINDS 10 TO 20 MPH BECOMING WEST LATE IN
THE NIGHT.
CWR (> 0.10 INCH)...40 PERCENT.
MONDAY
SKY/WEATHER.........A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF
SHOWERS IN THE AFTERNOON.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....58-63.
MIN HUMIDITY........64-69 PERCENT.
20-FOOT WINDS.......WEST WINDS 25 TO 35 MPH.
CWR (> 0.10 INCH)...40 PERCENT.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....39-44.
MAX HUMIDITY........95-100 PERCENT.
20-FOOT WINDS.......NORTHWEST WINDS 15 TO 25 MPH DECREASING TO 5 TO
15 MPH AFTER MIDNIGHT.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....61-66.
MIN HUMIDITY........43-48 PERCENT.
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH BECOMING EAST LATE
IN THE AFTERNOON.
CWR (> 0.10 INCH)...ZERO.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE MID 60S. EAST WINDS 5 TO 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 70S. SOUTHEAST WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. HIGHS IN THE LOWER 70S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 70S.
SUNDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. HIGHS IN THE LOWER 70S.
MTZ135-141045-
THE LITTLE ROCKIES-
203 PM MDT SUN SEP 13 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT) THEN BECOMING
MOSTLY CLOUDY (55-65 PERCENT). A CHANCE OF
SHOWERS AFTER MIDNIGHT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....47-52 VALLEYS AND 41-46 RIDGES.
MAX HUMIDITY........77-82 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......EAST WINDS 10 TO 15 MPH BECOMING NORTHEAST
5 TO 10 MPH LATE IN THE EVENING, THEN
BECOMING WEST 10 TO 20 MPH AFTER MIDNIGHT.
RIDGE............SOUTHEAST WINDS 10 TO 15 MPH EARLY IN THE
EVENING BECOMING NORTHWEST 15 TO 25 MPH AFTER
MIDNIGHT.
CWR (> 0.10 INCH)...20 PERCENT.
MONDAY
SKY/WEATHER.........MOSTLY CLOUDY (45-55 PERCENT). A SLIGHT CHANCE
OF SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....62-67 VALLEYS AND 52-57 RIDGES.
MIN HUMIDITY........50-55 PERCENT VALLEYS AND 62-67 PERCENT RIDGES.
20-FOOT WINDS.......
LOWER ELEVATION......WEST WINDS 20 TO 30 MPH.
RIDGE............WEST WINDS 20 TO 30 MPH.
CWR (> 0.10 INCH)...10 PERCENT.
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....44-49 VALLEYS AND 38-43 RIDGES.
MAX HUMIDITY........86-91 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......NORTHWEST WINDS 10 TO 20 MPH DECREASING TO
5 TO 10 MPH AFTER MIDNIGHT.
RIDGE............NORTHWEST WINDS 10 TO 20 MPH DECREASING TO 5
TO 10 MPH EARLY IN THE MORNING.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....66-71 VALLEYS AND 56-61 RIDGES.
MIN HUMIDITY........38-43 PERCENT VALLEYS AND 49-54 PERCENT RIDGES.
20-FOOT WINDS.......
LOWER ELEVATION......UPSLOPE/UPVALLEY 2-5 MPH.
RIDGE............EAST WINDS 5 TO 10 MPH.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. HIGHS IN THE MID 60S. EAST WINDS 5 TO 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. SOUTHEAST WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN THE
LOWER 50S. HIGHS AROUND 70. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 60S.
SUNDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN THE
LOWER 50S. HIGHS IN THE UPPER 60S.
MTZ136-141045-
THE LOWER MISSOURI RIVER BREAKS INCLUDING THE CHARLES M RUSSELL
NATIONAL WILDLIFE REFUGE-
203 PM MDT SUN SEP 13 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). SHOWERS LIKELY
AND A SLIGHT CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....48-53.
MAX HUMIDITY........82-87 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......EAST WINDS 5 TO 15 MPH BECOMING WEST 10 TO
20 MPH AFTER MIDNIGHT.
RIDGE............SOUTHEAST WINDS 10 TO 20 MPH BECOMING 10 TO 15
MPH LATE IN THE EVENING, THEN BECOMING
SOUTHWEST 10 TO 20 MPH AFTER MIDNIGHT BECOMING
NORTHWEST LATE IN THE NIGHT.
CWR (> 0.10 INCH)...20 PERCENT.
MONDAY
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT). A CHANCE OF
SHOWERS IN THE MORNING.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....61-66.
MIN HUMIDITY........51-56 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......WEST WINDS 25 TO 35 MPH.
RIDGE............WEST WINDS 25 TO 35 MPH.
CWR (> 0.10 INCH)...20 PERCENT.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (45-55 PERCENT) THEN BECOMING
PARTLY CLOUDY (45-55 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....42-47.
MAX HUMIDITY........91-96 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......NORTHWEST WINDS 15 TO 25 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 5-10 MPH.
RIDGE............NORTHWEST WINDS 15 TO 25 MPH DECREASING TO 5
TO 15 MPH AFTER MIDNIGHT.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....64-69.
MIN HUMIDITY........37-42 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......UPSLOPE/UPVALLEY 2-5 MPH BECOMING
UPSLOPE/UPVALLEY 4-8 MPH IN THE AFTERNOON.
RIDGE............WEST WINDS UP TO 5 MPH BECOMING NORTH LATE IN
THE MORNING, THEN BECOMING EAST 5 TO 10 MPH IN
THE AFTERNOON.
CWR (> 0.10 INCH)...ZERO.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 60S. NORTHEAST WINDS 5 TO 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. SOUTHEAST WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 70S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 70S.
SUNDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN THE
LOWER 50S. HIGHS IN THE LOWER 70S.
MTZ137-141045-
SOUTHERN PETROLEUM AND SOUTHERN GARFIELD COUNTIES-
203 PM MDT SUN SEP 13 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). A CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....45-50.
MAX HUMIDITY........85-90 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......SOUTHEAST WINDS 15 TO 25 MPH DECREASING TO
10 TO 20 MPH LATE IN THE EVENING, THEN
BECOMING WEST 15 TO 25 MPH AFTER MIDNIGHT.
RIDGE............SOUTHEAST WINDS 10 TO 20 MPH EARLY IN THE
EVENING BECOMING NORTHWEST 20 TO 30 MPH AFTER
MIDNIGHT.
CWR (> 0.10 INCH)...10 PERCENT.
MONDAY
SKY/WEATHER.........MOSTLY CLOUDY (45-55 PERCENT). A CHANCE OF
SHOWERS IN THE MORNING.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....62-67.
MIN HUMIDITY........47-52 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......WEST WINDS 30 TO 40 MPH IN THE MORNING.
RIDGE............WEST WINDS 30 TO 40 MPH DECREASING TO 25 TO 35
MPH IN THE AFTERNOON.
CWR (> 0.10 INCH)...10 PERCENT.
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....40-45.
MAX HUMIDITY........94-99 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......NORTHWEST WINDS 20 TO 30 MPH BECOMING WEST
5 TO 10 MPH.
RIDGE............NORTHWEST WINDS 20 TO 30 MPH BECOMING WEST 5
TO 10 MPH.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........35-40 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......UPSLOPE/UPVALLEY 2-5 MPH BECOMING
UPSLOPE/UPVALLEY 4-8 MPH IN THE AFTERNOON.
RIDGE............NORTHEAST WINDS 5 TO 10 MPH BECOMING EAST LATE
IN THE AFTERNOON.
CWR (> 0.10 INCH)...ZERO.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
UPPER 60S. NORTHEAST WINDS 5 TO 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID
70S. SOUTHEAST WINDS 5 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 70S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 70S.
SUNDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. HIGHS IN THE LOWER 70S.
MTZ120-141045-
FORT PECK RESERVATION AND DANIELS/ROOSEVELT/SHERIDAN COUNTIES-
203 PM MDT SUN SEP 13 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). A CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....47-52.
MAX HUMIDITY........95-100 PERCENT.
20-FOOT WINDS.......SOUTHEAST WINDS 10 TO 20 MPH.
CWR (> 0.10 INCH)...60 PERCENT.
MONDAY
SKY/WEATHER.........SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING, THEN A CHANCE OF SHOWERS IN THE
AFTERNOON.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....58-63.
MIN HUMIDITY........72-77 PERCENT.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO
AROUND 40 MPH INCREASING TO WEST 30 TO 40 MPH
IN THE LATE MORNING AND AFTERNOON.
CWR (> 0.10 INCH)...90 PERCENT.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). A CHANCE OF
SHOWERS IN THE EVENING.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....41-46.
MAX HUMIDITY........95-100 PERCENT.
20-FOOT WINDS.......NORTHWEST WINDS 20 TO 35 MPH DECREASING TO 10
TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
CWR (> 0.10 INCH)...10 PERCENT.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....61-66.
MIN HUMIDITY........46-51 PERCENT.
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 15 MPH BECOMING NORTH UP
TO 5 MPH LATE IN THE AFTERNOON.
CWR (> 0.10 INCH)...ZERO.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN
THE MID 40S. HIGHS IN THE MID 60S. EAST WINDS 5 TO 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 70S. SOUTHEAST WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS AROUND 70.
SUNDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. HIGHS IN THE LOWER 70S.
MTZ122-141045-
DAWSON/MCCONE/PRAIRIE/RICHLAND/WIBAUX COUNTIES-
203 PM MDT SUN SEP 13 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). A CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....50-55.
MAX HUMIDITY........95-100 PERCENT.
20-FOOT WINDS.......SOUTHEAST WINDS 15 TO 25 MPH BECOMING SOUTH 10
TO 20 MPH LATE IN THE NIGHT.
CWR (> 0.10 INCH)...50 PERCENT.
MONDAY
SKY/WEATHER.........SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING, THEN A SLIGHT CHANCE OF SHOWERS IN
THE AFTERNOON.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....63-68.
MIN HUMIDITY........54-59 PERCENT.
20-FOOT WINDS.......WEST WINDS 25 TO 35 MPH.
CWR (> 0.10 INCH)...50 PERCENT.
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
MOSTLY CLOUDY (45-55 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....41-46.
MAX HUMIDITY........95-100 PERCENT.
20-FOOT WINDS.......NORTHWEST WINDS 20 TO 35 MPH BECOMING WEST 5 TO
15 MPH.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (45-55 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....64-69.
MIN HUMIDITY........41-46 PERCENT.
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH BECOMING NORTH UP
TO 5 MPH LATE IN THE AFTERNOON.
CWR (> 0.10 INCH)...ZERO.
FORECAST DAYS 3 THROUGH 7...
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS AROUND 70.
EAST WINDS 5 TO 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID
70S. EAST WINDS 10 TO 15 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT CHANCE
OF THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S.
EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 70S.
SUNDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. HIGHS IN THE MID 70S.
WEATHER.GOV/GLASGOW
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