490
FNUS55 KGGW 130651
FWFGGW
FIRE WEATHER PLANNING FORECAST FOR NORTHEAST MONTANA
NATIONAL WEATHER SERVICE GLASGOW MT
1251 AM MDT SUN SEP 13 2026
DISCUSSION
COOLER THAN NORMAL TEMPERATURES THE NEXT FEW DAYS WILL KEEP
HUMIDITY UP. A LOW PRESSURE SYSTEM WILL ADVANCE NORTHEAST ACROSS
THE FIRE WEATHER ZONES THIS EVENING BRINGING GUSTY EAST TO
SOUTHEAST WINDS. THERE IS POTENTIAL FOR LIGHT RAIN SHOWERS
MONDAY MORNING THROUGH MONDAY EVENING. AS THE LOW TRACKS EAST A
FRONT WILL SWITCH GUSTY WINDS TO THE WEST AND STRENGTHEN AND
MAINTAIN THEM THROUGH MONDAY NIGHT. CONDITIONS SHOULD REMAIN
MOSTLY COOL WITH A SLIGHT WARMING TREND TO NEAR NORMAL INTO THE
WEEKEND.
MTZ134-132215-
NORTHERN VALLEY AND NORTHERN PHILLIPS COUNTIES-
1251 AM MDT SUN SEP 13 2026
TODAY
SKY/WEATHER.........SUNNY (20-30 PERCENT) THEN BECOMING PARTLY
CLOUDY (40-50 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........36-41 PERCENT.
20-FOOT WINDS.......EAST WINDS 15 TO 25 MPH.
CWR (> 0.10 INCH)...ZERO.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). A CHANCE OF
SHOWERS AFTER MIDNIGHT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....44-49.
MAX HUMIDITY........90-95 PERCENT.
20-FOOT WINDS.......EAST WINDS 10 TO 20 MPH BECOMING WEST EARLY IN
THE MORNING.
CWR (> 0.10 INCH)...10 PERCENT.
MONDAY
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). A CHANCE OF
SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....58-63.
MIN HUMIDITY........57-62 PERCENT.
20-FOOT WINDS.......WEST WINDS 20 TO 30 MPH.
CWR (> 0.10 INCH)...20 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
LOWER 60S. NORTHWEST WINDS 15 TO 25 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
LOWER 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
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER
70S.
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID
70S.
MTZ135-132215-
THE LITTLE ROCKIES-
1251 AM MDT SUN SEP 13 2026
TODAY
SKY/WEATHER.........SUNNY (15-25 PERCENT) THEN BECOMING PARTLY
CLOUDY (25-35 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....72-77 VALLEYS AND 61-66 RIDGES.
MIN HUMIDITY........33-38 PERCENT VALLEYS AND 42-47 PERCENT RIDGES.
20-FOOT WINDS.......
LOWER ELEVATION......SOUTHEAST WINDS 10 TO 20 MPH.
RIDGE............SOUTHEAST WINDS 10 TO 20 MPH.
CWR (> 0.10 INCH)...ZERO.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
MOSTLY CLOUDY (55-65 PERCENT). A SLIGHT CHANCE
OF SHOWERS IN THE EVENING, THEN A CHANCE OF
SHOWERS AFTER MIDNIGHT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....48-53 VALLEYS AND 42-47 RIDGES.
MAX HUMIDITY........67-72 PERCENT VALLEYS AND 76-81 PERCENT RIDGES.
20-FOOT WINDS.......
LOWER ELEVATION......EAST WINDS 10 TO 15 MPH BECOMING NORTH
LATE IN THE EVENING, THEN BECOMING
NORTHWEST 5 TO 15 MPH AFTER MIDNIGHT.
RIDGE............SOUTHEAST WINDS 10 TO 15 MPH BECOMING EAST
LATE IN THE EVENING, THEN BECOMING NORTHWEST
15 TO 25 MPH AFTER MIDNIGHT.
CWR (> 0.10 INCH)...10 PERCENT.
MONDAY
SKY/WEATHER.........MOSTLY CLOUDY (45-55 PERCENT). A SLIGHT CHANCE
OF SHOWERS IN THE MORNING, THEN A CHANCE OF
SHOWERS IN THE AFTERNOON.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....61-66 VALLEYS AND 50-55 RIDGES.
MIN HUMIDITY........49-54 PERCENT VALLEYS AND 61-66 PERCENT RIDGES.
20-FOOT WINDS.......
LOWER ELEVATION......WEST WINDS 5 TO 15 MPH INCREASING TO 15 TO
25 MPH IN THE LATE MORNING AND AFTERNOON.
RIDGE............WEST WINDS 20 TO 30 MPH.
CWR (> 0.10 INCH)...10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID
60S. NORTHWEST WINDS 15 TO 25 MPH.
WEDNESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. HIGHS IN THE MID 60S. NORTHEAST WINDS 5 TO 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER
70S. SOUTHEAST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS AROUND 70.
SATURDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE MID 70S.
MTZ136-132215-
THE LOWER MISSOURI RIVER BREAKS INCLUDING THE CHARLES M RUSSELL
NATIONAL WILDLIFE REFUGE-
1251 AM MDT SUN SEP 13 2026
TODAY
SKY/WEATHER.........SUNNY (15-25 PERCENT) THEN BECOMING PARTLY
CLOUDY (30-40 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....70-75.
MIN HUMIDITY........33-38 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......SOUTHEAST WINDS 10 TO 20 MPH.
RIDGE............SOUTHEAST WINDS 10 TO 20 MPH.
CWR (> 0.10 INCH)...ZERO.
TONIGHT
SKY/WEATHER.........A CHANCE OF SHOWERS AFTER MIDNIGHT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....48-53.
MAX HUMIDITY........75-80 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......EAST WINDS 10 TO 15 MPH BECOMING 5 TO 15
MPH LATE IN THE EVENING, THEN BECOMING
WEST 10 TO 20 MPH AFTER MIDNIGHT.
RIDGE............SOUTHEAST WINDS 10 TO 20 MPH EARLY IN THE
EVENING BECOMING WEST AFTER MIDNIGHT.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
MONDAY
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT). A CHANCE OF
SHOWERS IN THE MORNING.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....60-65.
MIN HUMIDITY........48-53 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......WEST WINDS 20 TO 30 MPH.
RIDGE............WEST WINDS 20 TO 30 MPH.
CWR (> 0.10 INCH)...10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID
60S. NORTHWEST WINDS 15 TO 25 MPH.
WEDNESDAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. HIGHS IN THE MID 60S. NORTHEAST WINDS 5 TO 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER
70S. SOUTHEAST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER
70S.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 70S.
MTZ137-132215-
SOUTHERN PETROLEUM AND SOUTHERN GARFIELD COUNTIES-
1251 AM MDT SUN SEP 13 2026
TODAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....72-77.
MIN HUMIDITY........32-37 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......UPSLOPE/UPVALLEY 7-15 MPH BECOMING
SOUTHEAST 15 TO 25 MPH IN THE LATE MORNING
AND AFTERNOON.
RIDGE............EAST WINDS 10 TO 15 MPH BECOMING SOUTHEAST 15
TO 25 MPH IN THE LATE MORNING AND AFTERNOON.
CWR (> 0.10 INCH)...ZERO.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). A CHANCE OF
SHOWERS AFTER MIDNIGHT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....46-51.
MAX HUMIDITY........78-83 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......SOUTHEAST WINDS 10 TO 20 MPH EARLY IN THE
EVENING BECOMING WEST AFTER MIDNIGHT.
RIDGE............SOUTHEAST WINDS 15 TO 25 MPH EARLY IN THE
EVENING BECOMING NORTHWEST 20 TO 30 MPH AFTER
MIDNIGHT.
CWR (> 0.10 INCH)...10 PERCENT.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). A CHANCE OF
SHOWERS IN THE MORNING.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....60-65.
MIN HUMIDITY........43-48 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......WEST WINDS 25 TO 35 MPH.
RIDGE............WEST WINDS 25 TO 35 MPH.
CWR (> 0.10 INCH)...10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID
60S. NORTHWEST WINDS 20 TO 30 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
60S. NORTHEAST WINDS 10 TO 20 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 70S. SOUTHEAST WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY CLEAR. A SLIGHT CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. HIGHS IN THE LOWER 70S.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 70S.
MTZ120-132215-
FORT PECK RESERVATION AND DANIELS/ROOSEVELT/SHERIDAN COUNTIES-
1251 AM MDT SUN SEP 13 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........34-39 PERCENT.
20-FOOT WINDS.......EAST WINDS 10 TO 20 MPH.
CWR (> 0.10 INCH)...ZERO.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). A CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....45-50.
MAX HUMIDITY........93-98 PERCENT.
20-FOOT WINDS.......SOUTHEAST WINDS 10 TO 20 MPH.
CWR (> 0.10 INCH)...40 PERCENT.
MONDAY
SKY/WEATHER.........A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....58-63.
MIN HUMIDITY........60-65 PERCENT.
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO
AROUND 35 MPH INCREASING TO WEST 25 TO 35 MPH
WITH GUSTS TO AROUND 50 MPH IN THE LATE MORNING
AND AFTERNOON.
CWR (> 0.10 INCH)...70 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN THE
LOWER 40S. HIGHS IN THE LOWER 60S. NORTHWEST WINDS 25 TO 35 MPH.
WEDNESDAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN
THE LOWER 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
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER
70S.
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID
70S.
MTZ122-132215-
DAWSON/MCCONE/PRAIRIE/RICHLAND/WIBAUX COUNTIES-
1251 AM MDT SUN SEP 13 2026
TODAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....69-74.
MIN HUMIDITY........32-37 PERCENT.
20-FOOT WINDS.......EAST WINDS 15 TO 25 MPH.
CWR (> 0.10 INCH)...ZERO.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
MOSTLY CLOUDY (50-60 PERCENT). A CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....48-53.
MAX HUMIDITY........91-96 PERCENT.
20-FOOT WINDS.......SOUTHEAST WINDS 15 TO 25 MPH BECOMING SOUTHWEST
10 TO 20 MPH EARLY IN THE MORNING.
CWR (> 0.10 INCH)...30 PERCENT.
MONDAY
SKY/WEATHER.........A CHANCE OF SHOWERS IN THE MORNING.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....62-67.
MIN HUMIDITY........45-50 PERCENT.
20-FOOT WINDS.......WEST WINDS 25 TO 35 MPH.
CWR (> 0.10 INCH)...20 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID
60S. NORTHWEST WINDS 20 TO 30 MPH.
WEDNESDAY
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN
THE MID 40S. HIGHS IN THE UPPER 60S. 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 SLIGHT CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. HIGHS IN THE MID 70S.
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER
70S.
WEATHER.GOV/GLASGOW
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