Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Glasgow, MT
Issued by NWS Glasgow, MT
355
FNUS55 KGGW 052008
FWFGGW
Fire Weather Planning Forecast for Northeast Montana
National Weather Service Glasgow MT
208 PM MDT Sat Sep 5 2026
.DISCUSSION...
A cold front that moved through yesterday and an upcoming trough
will help keep humidity values above 25 percent through Tuesday.
Rainfall amounts are expected to be over half an inch north of the
Missouri River by Monday night. Isolated severe storms and
lightning-caused fire starts are one thing to watch for tomorrow
afternoon as a shortwave trough moves through. Gusty winds are
expected on Tuesday.
MTZ134-061015-
Northern Valley and Northern Phillips Counties-
208 PM MDT Sat Sep 5 2026
.TONIGHT...
Sky/weather.........Partly cloudy (25-35 percent) then becoming
mostly cloudy (50-60 percent). A slight chance
of showers and thunderstorms after midnight.
Chance of thunder...20 percent.
Min temperature.....55-60.
Max humidity........95-100 percent.
20-foot winds.......North winds 10 to 15 mph.
CWR (> 0.10 inch)...10 percent.
.SUNDAY...
Sky/weather.........Mostly cloudy (60-70 percent). A chance of
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.....78-83.
Min humidity........54-59 percent.
20-foot winds.......Northeast winds 5 to 15 mph.
CWR (> 0.10 inch)...10 percent.
.SUNDAY NIGHT...
Sky/weather.........A chance of showers and a slight chance of
thunderstorms in the evening, then showers and
a chance of thunderstorms after midnight.
Chance of thunder...50 percent.
Min temperature.....54-59.
Max humidity........95-100 percent.
20-foot winds.......Northeast winds 5 to 15 mph.
CWR (> 0.10 inch)...90 percent.
.LABOR DAY...
Sky/weather.........Showers and a slight chance of thunderstorms in
the morning, then showers likely and a chance
of thunderstorms in the afternoon.
Chance of thunder...50 percent.
Max temperature.....70-75.
Min humidity........58-63 percent.
20-foot winds.......North winds 5 to 15 mph becoming west in the
afternoon.
CWR (> 0.10 inch)...90 percent.
.Forecast days 3 through 7......
.TUESDAY...Showers likely and a slight chance of thunderstorms.
Lows in the upper 40s. Highs in the upper 60s. West winds 20 to
30 mph.
.WEDNESDAY...Partly cloudy. A slight chance of showers. Lows in
the mid 40s. Highs in the mid 70s. West winds 15 to 25 mph.
.THURSDAY...Mostly clear. Lows in the upper 40s. Highs around 80.
Southwest winds 5 to 15 mph.
.FRIDAY...Partly cloudy. Lows around 50. Highs in the mid 70s.
.SATURDAY...Mostly cloudy. A slight chance of showers. Lows in
the mid 40s. Highs in the upper 60s.
$$
MTZ135-061015-
The Little Rockies-
208 PM MDT Sat Sep 5 2026
.TONIGHT...
Sky/weather.........Mostly clear (20-30 percent) then becoming
mostly cloudy (60-70 percent).
Chance of thunder...0 percent.
Min temperature.....58-63 valleys and 52-57 ridges.
Max humidity........86-91 percent.
20-foot winds.......
Lower elevation......Northeast winds 5 to 15 mph becoming
variable less than 5 mph late in the
night.
Ridge............Northeast winds 5 to 15 mph.
CWR (> 0.10 inch)...10 percent.
.SUNDAY...
Sky/weather.........Mostly cloudy (65-75 percent). A chance of
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.....78-83 valleys and 68-73 ridges.
Min humidity........52-57 percent valleys and 66-71 percent ridges.
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.
CWR (> 0.10 inch)...10 percent.
.SUNDAY NIGHT...
Sky/weather.........A slight chance of showers and thunderstorms in
the evening, then showers and a chance of
thunderstorms after midnight.
Chance of thunder...50 percent.
Min temperature.....58-63 valleys and 51-56 ridges.
Max humidity........94-99 percent.
20-foot winds.......
Lower elevation......North winds 5 to 10 mph.
Ridge............North winds 5 to 15 mph.
CWR (> 0.10 inch)...90 percent.
.LABOR DAY...
Sky/weather.........Showers and a slight chance of thunderstorms in
the morning, then showers likely and a chance
of thunderstorms in the afternoon.
Chance of thunder...50 percent.
Max temperature.....71-76 valleys and 61-66 ridges.
Min humidity........57-62 percent valleys and 69-74 percent ridges.
20-foot winds.......
Lower elevation......West winds 5 to 15 mph.
Ridge............West winds 5 to 15 mph.
CWR (> 0.10 inch)...90 percent.
.Forecast days 3 through 7......
.TUESDAY...Showers likely. Lows around 50. Highs in the mid 60s.
West winds 25 to 35 mph.
.WEDNESDAY...Partly cloudy. Lows in the upper 40s. Highs in the
mid 70s. West winds 10 to 20 mph.
.THURSDAY...Mostly clear. Lows in the lower 50s. Highs in the
upper 70s. West winds 5 to 15 mph.
.FRIDAY...Partly cloudy. Lows in the mid 50s. Highs in the lower
70s.
.SATURDAY...Mostly cloudy. A chance of showers. Lows around 50.
Highs in the upper 60s.
$$
MTZ136-061015-
The Lower Missouri River Breaks including the Charles M Russell
National Wildlife Refuge-
208 PM MDT Sat Sep 5 2026
.TONIGHT...
Sky/weather.........Partly cloudy (40-50 percent). A slight chance
of showers and thunderstorms after midnight.
Chance of thunder...10 percent.
Min temperature.....59-64.
Max humidity........90-95 percent.
20-foot winds.......
Lower elevation......North winds 5 to 15 mph.
Ridge............North winds 5 to 15 mph.
CWR (> 0.10 inch)...Less than 10 percent.
.SUNDAY...
Sky/weather.........Mostly cloudy (55-65 percent). A slight chance
of showers and thunderstorms in the morning.
Chance of thunder...20 percent.
Max temperature.....80-85.
Min humidity........50-55 percent.
20-foot winds.......
Lower elevation......Upslope/upvalley 5-10 mph.
Ridge............Northeast winds 5 to 10 mph.
CWR (> 0.10 inch)...10 percent.
.SUNDAY NIGHT...
Sky/weather.........A slight chance of showers and thunderstorms in
the evening, then showers and a chance of
thunderstorms after midnight.
Chance of thunder...50 percent.
Min temperature.....58-63.
Max humidity........93-98 percent.
20-foot winds.......
Lower elevation......North winds 5 to 15 mph becoming 5 to 10
mph early in the morning.
Ridge............North winds 5 to 15 mph.
CWR (> 0.10 inch)...80 percent.
.LABOR DAY...
Sky/weather.........Showers and a slight chance of thunderstorms in
the morning, then a chance of showers and a
slight chance of thunderstorms in the
afternoon.
Chance of thunder...20 percent.
Max temperature.....73-78.
Min humidity........52-57 percent.
20-foot winds.......
Lower elevation......Northwest winds 5 to 15 mph.
Ridge............West winds 5 to 15 mph.
CWR (> 0.10 inch)...70 percent.
.Forecast days 3 through 7......
.TUESDAY...Mostly cloudy. A chance of showers. Lows in the lower
50s. Highs in the upper 60s. West winds 20 to 30 mph.
.WEDNESDAY...Partly cloudy. Lows in the upper 40s. Highs in the
upper 70s. West winds 15 to 25 mph.
.THURSDAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 80s. Southwest winds 5 to 15 mph.
.FRIDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid
70s.
.SATURDAY...Mostly cloudy. A chance of showers. Lows in the lower
50s. Highs around 70.
$$
MTZ137-061015-
Southern Petroleum and Southern Garfield Counties-
208 PM MDT Sat Sep 5 2026
.TONIGHT...
Sky/weather.........Partly cloudy (35-45 percent).
Chance of thunder...0 percent.
Min temperature.....56-61.
Max humidity........92-97 percent.
20-foot winds.......
Lower elevation......North winds 5 to 15 mph.
Ridge............North winds 5 to 15 mph.
CWR (> 0.10 inch)...Less than 10 percent.
.SUNDAY...
Sky/weather.........Mostly cloudy (50-60 percent).
Chance of thunder...0 percent.
Max temperature.....81-86.
Min humidity........45-50 percent.
20-foot winds.......
Lower elevation......Upslope/upvalley 5-10 mph.
Ridge............Northeast winds 5 to 10 mph.
CWR (> 0.10 inch)...Less than 10 percent.
.SUNDAY NIGHT...
Sky/weather.........Showers and a chance of thunderstorms after
midnight.
Chance of thunder...50 percent.
Min temperature.....57-62.
Max humidity........93-98 percent.
20-foot winds.......
Lower elevation......Northeast winds 5 to 15 mph becoming north
10 to 15 mph early in the morning.
Ridge............North winds 10 to 15 mph becoming northwest
early in the morning.
CWR (> 0.10 inch)...80 percent.
.LABOR DAY...
Sky/weather.........Showers likely and a slight chance of
thunderstorms in the morning, then a chance of
showers and a slight chance of thunderstorms in
the afternoon.
Chance of thunder...20 percent.
Max temperature.....75-80.
Min humidity........42-47 percent.
20-foot winds.......
Lower elevation......West winds 10 to 20 mph.
Ridge............West winds 10 to 20 mph.
CWR (> 0.10 inch)...40 percent.
.Forecast days 3 through 7......
.TUESDAY...Partly cloudy. A chance of showers. Lows in the lower
50s. Highs around 70. West winds 25 to 35 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 40s. Highs in the
upper 70s. West winds 20 to 30 mph.
.THURSDAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 80s. West winds 5 to 15 mph.
.FRIDAY...Partly cloudy. Lows in the mid 50s. Highs in the upper
70s.
.SATURDAY...Mostly cloudy. A chance of showers. Lows in the upper
40s. Highs in the lower 70s.
$$
MTZ120-061015-
Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties-
208 PM MDT Sat Sep 5 2026
.TONIGHT...
Sky/weather.........Partly cloudy (35-45 percent) then becoming
mostly cloudy (50-60 percent). A slight chance
of showers after midnight.
Chance of thunder...0 percent.
Min temperature.....59-64.
Max humidity........95-100 percent.
20-foot winds.......Northeast winds 10 to 15 mph.
CWR (> 0.10 inch)...10 percent.
.SUNDAY...
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.
Chance of thunder...20 percent.
Max temperature.....81-86.
Min humidity........56-61 percent.
20-foot winds.......Northeast winds 10 to 15 mph.
CWR (> 0.10 inch)...10 percent.
.SUNDAY NIGHT...
Sky/weather.........A chance of showers and thunderstorms in the
evening, then showers and a chance of
thunderstorms after midnight.
Chance of thunder...50 percent.
Min temperature.....57-62.
Max humidity........95-100 percent.
20-foot winds.......East winds 10 to 20 mph.
CWR (> 0.10 inch)...90 percent.
.LABOR DAY...
Sky/weather.........Showers and a chance of thunderstorms in the
morning, then a chance of showers and a slight
chance of thunderstorms in the afternoon.
Chance of thunder...50 percent.
Max temperature.....75-80.
Min humidity........61-66 percent.
20-foot winds.......East winds 10 to 15 mph becoming southwest 10
to 20 mph in the afternoon.
CWR (> 0.10 inch)...80 percent.
.Forecast days 3 through 7......
.TUESDAY...Mostly cloudy. A chance of showers and a slight chance
of thunderstorms. Lows in the lower 50s. Highs in the upper 60s.
West winds 30 to 40 mph.
.WEDNESDAY...Partly cloudy. A slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 70s. West
winds 20 to 30 mph.
.THURSDAY...Mostly clear. Lows in the upper 40s. Highs in the
lower 80s. Southwest winds 10 to 20 mph.
.FRIDAY...Partly cloudy. Lows in the lower 50s. Highs in the mid
70s.
.SATURDAY...Mostly cloudy. A slight chance of showers. Lows in
the mid 40s. Highs in the upper 60s.
$$
MTZ122-061015-
Dawson/McCone/Prairie/Richland/Wibaux Counties-
208 PM MDT Sat Sep 5 2026
.TONIGHT...
Sky/weather.........Partly cloudy (35-45 percent).
Chance of thunder...0 percent.
Min temperature.....60-65.
Max humidity........93-98 percent.
20-foot winds.......North winds 5 to 10 mph.
CWR (> 0.10 inch)...Less than 10 percent.
.SUNDAY...
Sky/weather.........Mostly cloudy (50-60 percent). A slight chance
of showers and thunderstorms in the morning.
Chance of thunder...20 percent.
Max temperature.....87-92.
Min humidity........42-47 percent.
20-foot winds.......Northeast winds 5 to 10 mph becoming east 5 to
15 mph in the afternoon.
CWR (> 0.10 inch)...Less than 10 percent.
.SUNDAY NIGHT...
Sky/weather.........A chance of showers and a slight chance of
thunderstorms in the evening, then a chance of
showers and thunderstorms after midnight.
Chance of thunder...50 percent.
Min temperature.....60-65.
Max humidity........88-93 percent.
20-foot winds.......East winds 5 to 15 mph.
CWR (> 0.10 inch)...60 percent.
.LABOR DAY...
Sky/weather.........Mostly cloudy (50-60 percent). A chance of
showers and a slight chance of thunderstorms.
Chance of thunder...20 percent.
Max temperature.....80-85.
Min humidity........43-48 percent.
20-foot winds.......Northeast winds 10 to 15 mph becoming south
late in the morning, then becoming west 10 to
20 mph in the afternoon.
CWR (> 0.10 inch)...40 percent.
.Forecast days 3 through 7......
.TUESDAY...Partly cloudy. A chance of showers. Lows in the lower
50s. Highs in the lower 70s. West winds 25 to 35 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 40s. Highs in the
upper 70s. West winds 20 to 30 mph.
.THURSDAY...Mostly clear. Lows around 50. Highs in the mid 80s.
Southwest winds 5 to 15 mph.
.FRIDAY...Mostly clear. Lows in the lower 50s. Highs in the upper
70s.
.SATURDAY...Mostly cloudy. A chance of showers. Lows in the upper
40s. Highs in the lower 70s.
$$
weather.gov/glasgow