102
FNUS55 KGGW 151100
FWFGGW
FIRE WEATHER PLANNING FORECAST FOR NORTHEAST MONTANA
NATIONAL WEATHER SERVICE GLASGOW MT
500 AM MDT FRI MAY 15 2026
...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR
LOW RELATIVE HUMIDITY AND STRONG WINDS FOR FIRE WEATHER ZONES
120, 122, 134, 135, 136, AND 137...
DISCUSSION
CRITICAL FIRE WEATHER WILL CONTINUE TODAY ACROSS NORTHEAST
MONTANA. GUSTY WEST WINDS 25 TO 35 MPH WITH GUSTS TO 40 MPH ARE
EXPECTED TODAY WITH MIN RH IN THE 20S IN MOST AREAS AND IN THE 30S
NEAR THE CANADIAN BORDER.
WINDS WILL LIGHTEN TONIGHT, LOWERING TO 5 TO 10 MPH WITH
NIGHTTIME RECOVERY RH IN THE 50S IN MOST AREAS AND 60 TO 70 NORTH
OF HWY 2.
MTZ134-152215-
NORTHERN VALLEY AND NORTHERN PHILLIPS COUNTIES-
500 AM MDT FRI MAY 15 2026
...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR
LOW RELATIVE HUMIDITY AND STRONG WINDS...
TODAY
SKY/WEATHER.........SUNNY (20-30 PERCENT) THEN BECOMING PARTLY
CLOUDY (35-45 PERCENT). PATCHY BLOWING DUST
THROUGH THE DAY. A SLIGHT CHANCE OF SHOWERS IN
THE AFTERNOON.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....63-68.
MIN HUMIDITY........27-32 PERCENT.
20-FOOT WINDS.......WEST WINDS 20 TO 30 MPH.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....36-41.
MAX HUMIDITY........63-68 PERCENT.
20-FOOT WINDS.......NORTHWEST WINDS 15 TO 25 MPH BECOMING WEST 5 TO
10 MPH WITH GUSTS TO AROUND 35 MPH IN THE LATE
EVENING AND OVERNIGHT.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....63-68.
MIN HUMIDITY........25-30 PERCENT.
20-FOOT WINDS.......WEST WINDS 5 TO 15 MPH.
CWR (> 0.10 INCH)...ZERO.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE MID 40S.
NORTH WINDS 15 TO 25 MPH.
MONDAY
SHOWERS LIKELY. LOWS AROUND 30. HIGHS IN THE UPPER 40S.
NORTH WINDS 15 TO 25 MPH.
TUESDAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. LOWS IN THE
LOWER 30S. HIGHS IN THE UPPER 50S. NORTHEAST WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID
60S.
THURSDAY
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE LOWER
70S.
MTZ135-152215-
THE LITTLE ROCKIES-
500 AM MDT FRI MAY 15 2026
...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR
LOW RELATIVE HUMIDITY AND STRONG WINDS...
TODAY
SKY/WEATHER.........SUNNY (15-25 PERCENT) THEN BECOMING PARTLY
CLOUDY (25-35 PERCENT). PATCHY BLOWING DUST
THROUGH THE DAY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....65-70 VALLEYS AND 55-60 RIDGES.
MIN HUMIDITY........21-26 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......WEST WINDS 15 TO 25 MPH.
RIDGE............WEST WINDS 30 TO 40 MPH DECREASING TO 20 TO 30
MPH IN THE AFTERNOON.
CWR (> 0.10 INCH)...ZERO.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....43-48 VALLEYS AND 36-41 RIDGES.
MAX HUMIDITY........45-50 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......WEST WINDS 10 TO 20 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 2-5 MPH.
RIDGE............WEST WINDS 15 TO 25 MPH DECREASING TO 5 TO 15
MPH IN THE LATE EVENING AND OVERNIGHT.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). A SLIGHT CHANCE
OF SHOWERS IN THE AFTERNOON.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....62-67 VALLEYS AND 53-58 RIDGES.
MIN HUMIDITY........28-33 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.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
SHOWERS AND SNOW SHOWERS. LOWS IN THE UPPER 30S. HIGHS
IN THE MID 40S. NORTHWEST WINDS 15 TO 25 MPH.
MONDAY
SHOWERS LIKELY AND A CHANCE OF SNOW SHOWERS. LOWS IN
THE LOWER 30S. HIGHS IN THE MID 40S. NORTH WINDS 10 TO 20 MPH.
TUESDAY
MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE MID 50S. NORTH WINDS
5 TO 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
MID 60S.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
UPPER 60S.
MTZ136-152215-
THE LOWER MISSOURI RIVER BREAKS INCLUDING THE CHARLES M RUSSELL
NATIONAL WILDLIFE REFUGE-
500 AM MDT FRI MAY 15 2026
...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR
LOW RELATIVE HUMIDITY AND STRONG WINDS...
TODAY
SKY/WEATHER.........SUNNY (15-25 PERCENT) THEN BECOMING PARTLY
CLOUDY (30-40 PERCENT). PATCHY BLOWING DUST
THROUGH THE DAY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........20-25 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......WEST WINDS 20 TO 30 MPH.
RIDGE............WEST WINDS 20 TO 30 MPH.
CWR (> 0.10 INCH)...ZERO.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....40-45.
MAX HUMIDITY........50-55 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......WEST WINDS 10 TO 20 MPH BECOMING
DOWNSLOPE/DOWNVALLEY 2-5 MPH.
RIDGE............NORTHWEST WINDS 15 TO 25 MPH BECOMING WEST 5
TO 10 MPH IN THE LATE EVENING AND EARLY
MORNING, THEN BECOMING SOUTHWEST EARLY IN THE
MORNING.
CWR (> 0.10 INCH)...ZERO.
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........24-29 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......UPSLOPE/UPVALLEY 2-5 MPH.
RIDGE............NORTHWEST WINDS 5 TO 10 MPH.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
SHOWERS. LOWS AROUND 40. HIGHS IN THE UPPER 40S. NORTH
WINDS 10 TO 20 MPH.
MONDAY
SHOWERS LIKELY. LOWS IN THE MID 30S. HIGHS IN THE MID
40S. NORTH WINDS 10 TO 20 MPH.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
30S. HIGHS IN THE UPPER 50S. NORTH WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 60S.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
LOWER 70S.
MTZ137-152215-
SOUTHERN PETROLEUM AND SOUTHERN GARFIELD COUNTIES-
500 AM MDT FRI MAY 15 2026
...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR
LOW RELATIVE HUMIDITY AND STRONG WINDS...
TODAY
SKY/WEATHER.........SUNNY (10-20 PERCENT) THEN BECOMING PARTLY
CLOUDY (25-35 PERCENT). PATCHY BLOWING DUST.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........16-21 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......WEST WINDS 20 TO 30 MPH.
RIDGE............WEST WINDS 20 TO 30 MPH.
CWR (> 0.10 INCH)...ZERO.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
MOSTLY CLOUDY (50-60 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....39-44.
MAX HUMIDITY........48-53 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......NORTHWEST WINDS 10 TO 20 MPH DECREASING TO
5 TO 10 MPH LATE IN THE EVENING, THEN
BECOMING VARIABLE LESS THAN 5 MPH AFTER
MIDNIGHT.
RIDGE............NORTHWEST WINDS 10 TO 20 MPH DECREASING TO 5
TO 10 MPH LATE IN THE EVENING, THEN BECOMING
WEST UP TO 5 MPH AFTER MIDNIGHT.
CWR (> 0.10 INCH)...ZERO.
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........23-28 PERCENT.
20-FOOT WINDS.......
LOWER ELEVATION......NORTH WINDS 10 TO 15 MPH.
RIDGE............NORTH WINDS 10 TO 15 MPH.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
SHOWERS LIKELY. LOWS IN THE UPPER 30S. HIGHS AROUND 50.
NORTHWEST WINDS 15 TO 25 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
30S. HIGHS IN THE MID 40S. NORTH WINDS 15 TO 25 MPH.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND SNOW SHOWERS.
LOWS IN THE LOWER 30S. HIGHS IN THE MID 50S. NORTHWEST WINDS
10 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID
60S.
THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 70S.
MTZ120-152215-
FORT PECK RESERVATION AND DANIELS/ROOSEVELT/SHERIDAN COUNTIES-
500 AM MDT FRI MAY 15 2026
...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR
LOW RELATIVE HUMIDITY AND STRONG WINDS...
TODAY
SKY/WEATHER.........SUNNY (15-25 PERCENT) THEN BECOMING PARTLY
CLOUDY (35-45 PERCENT). PATCHY BLOWING DUST
THROUGH THE DAY. A SLIGHT CHANCE OF SHOWERS IN
THE AFTERNOON.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........26-31 PERCENT.
20-FOOT WINDS.......WEST WINDS 25 TO 35 MPH.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). A SLIGHT CHANCE
OF SHOWERS IN THE EVENING.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....35-40.
MAX HUMIDITY........69-74 PERCENT.
20-FOOT WINDS.......WEST WINDS 20 TO 30 MPH DECREASING TO UP TO 5
MPH.
CWR (> 0.10 INCH)...LESS THAN 10 PERCENT.
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........25-30 PERCENT.
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH BECOMING NORTH LATE IN
THE AFTERNOON.
CWR (> 0.10 INCH)...ZERO.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 40S.
NORTHEAST WINDS 20 TO 30 MPH.
MONDAY
CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF SNOW
SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE MID 40S. NORTH WINDS
15 TO 25 MPH.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND SNOW SHOWERS.
LOWS IN THE LOWER 30S. HIGHS IN THE MID 50S. NORTH WINDS 10 TO
20 MPH.
WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
MID 60S.
THURSDAY
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE LOWER
70S.
MTZ122-152215-
DAWSON/MCCONE/PRAIRIE/RICHLAND/WIBAUX COUNTIES-
500 AM MDT FRI MAY 15 2026
...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR
LOW RELATIVE HUMIDITY AND STRONG WINDS...
TODAY
SKY/WEATHER.........SUNNY (10-20 PERCENT) THEN BECOMING PARTLY
CLOUDY (25-35 PERCENT). PATCHY BLOWING DUST.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....67-72.
MIN HUMIDITY........19-24 PERCENT.
20-FOOT WINDS.......WEST WINDS 20 TO 30 MPH.
CWR (> 0.10 INCH)...ZERO.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....38-43.
MAX HUMIDITY........55-60 PERCENT.
20-FOOT WINDS.......WEST WINDS 15 TO 25 MPH DECREASING TO 5 TO 10
MPH WITH GUSTS TO AROUND 35 MPH IN THE LATE
EVENING AND EARLY MORNING, THEN BECOMING
SOUTHWEST UP TO 5 MPH EARLY IN THE MORNING.
CWR (> 0.10 INCH)...ZERO.
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....69-74.
MIN HUMIDITY........20-25 PERCENT.
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH BECOMING NORTHEAST IN
THE AFTERNOON.
CWR (> 0.10 INCH)...ZERO.
FORECAST DAYS 3 THROUGH 7...
SUNDAY
SHOWERS LIKELY. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 50S. NORTHEAST WINDS 10 TO 20 MPH.
MONDAY
SHOWERS LIKELY AND A SLIGHT CHANCE OF SNOW SHOWERS.
LOWS IN THE LOWER 30S. HIGHS IN THE MID 40S. NORTH WINDS 10 TO
20 MPH.
TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND SNOW SHOWERS.
LOWS IN THE LOWER 30S. HIGHS IN THE MID 50S. NORTH WINDS 10 TO
15 MPH.
WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID
60S.
THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 70S.
WEATHER.GOV/GLASGOW
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