Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Glasgow, MT
Issued by NWS Glasgow, MT
337
FNUS55 KGGW 120753
FWFGGW
Fire Weather Planning Forecast for Northeast Montana
National Weather Service Glasgow MT
153 AM MDT Wed Aug 12 2026
.DISCUSSION...A trough of low pressure will develop over eastern
Montana today with chances for showers and thunderstorms. Rain
chances increase tonight and Thursday with widespread wetting rain
expected Thursday and Friday with cooler temperatures. Drier
weather is expected Friday night and Saturday as the trough
weakens over the area.
MTZ134-122230-
Northern Valley and Northern Phillips Counties-
153 AM MDT Wed Aug 12 2026
.TODAY...
Sky/weather.........Partly cloudy (45-55 percent). A slight chance
of showers.
Chance of thunder...0 percent.
Max temperature.....74-79.
Min humidity........43-48 percent.
20-foot winds.......Northeast winds 10 to 15 mph.
CWR (> 0.10 inch)...Zero.
.TONIGHT...
Sky/weather.........A chance of showers and a slight chance of
thunderstorms in the evening, then a chance of
showers after midnight.
Chance of thunder...20 percent.
Min temperature.....49-54.
Max humidity........91-96 percent.
20-foot winds.......Northeast winds 5 to 15 mph.
CWR (> 0.10 inch)...50 percent.
.THURSDAY...
Sky/weather.........A chance of showers in the morning, then a
chance of showers and thunderstorms in the
afternoon.
Chance of thunder...50 percent.
Max temperature.....65-70.
Min humidity........72-77 percent.
20-foot winds.......East winds 10 to 20 mph.
CWR (> 0.10 inch)...60 percent.
.Forecast days 3 through 7......
.FRIDAY...Showers and a chance of thunderstorms. Lows in the
lower 50s. Highs in the upper 60s. Northeast winds 10 to 20 mph.
.SATURDAY...Mostly cloudy. A slight chance of showers. Lows in
the upper 40s. Highs in the lower 70s. Northeast winds 10 to
15 mph.
.SUNDAY...Partly cloudy. A slight chance of showers and
thunderstorms. Lows around 50. Highs in the upper 70s. Southeast
winds 5 to 10 mph.
.MONDAY...Mostly cloudy. A slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 80s.
.TUESDAY...Mostly cloudy. A chance of showers and a slight chance
of thunderstorms. Lows in the mid 50s. Highs around 80.
$$
MTZ135-122230-
The Little Rockies-
153 AM MDT Wed Aug 12 2026
.TODAY...
Sky/weather.........Partly cloudy (35-45 percent).
Chance of thunder...0 percent.
Max temperature.....80-85 valleys and 69-74 ridges.
Min humidity........32-37 percent valleys and 44-49 percent ridges.
20-foot winds.......
Lower elevation......Northeast winds 5 to 15 mph.
Ridge............Northeast winds 5 to 15 mph.
CWR (> 0.10 inch)...Zero.
.TONIGHT...
Sky/weather.........A chance of showers and a slight chance of
thunderstorms in the evening, then showers
after midnight.
Chance of thunder...20 percent.
Min temperature.....57-62 valleys and 48-53 ridges.
Max humidity........89-94 percent.
20-foot winds.......
Lower elevation......Northeast winds 5 to 15 mph.
Ridge............Northeast winds 5 to 15 mph.
CWR (> 0.10 inch)...90 percent.
.THURSDAY...
Sky/weather.........A chance of showers and a slight chance of
thunderstorms in the morning, then showers
likely and a slight chance of thunderstorms in
the afternoon.
Chance of thunder...20 percent.
Max temperature.....69-74 valleys and 58-63 ridges.
Min humidity........64-69 percent valleys and 82-87 percent ridges.
20-foot winds.......
Lower elevation......East winds 5 to 15 mph.
Ridge............East winds 5 to 15 mph.
CWR (> 0.10 inch)...60 percent.
.Forecast days 3 through 7......
.FRIDAY...Showers and a slight chance of thunderstorms. Lows in
the mid 50s. Highs in the upper 60s. North winds 5 to 15 mph.
.SATURDAY...Mostly cloudy. A chance of showers. Lows in the lower
50s. Highs in the lower 70s. Northeast winds 5 to 10 mph.
.SUNDAY...Partly cloudy. A slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 70s.
Southeast winds 5 to 10 mph.
.MONDAY...Partly cloudy. A slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the lower 80s.
.TUESDAY...Mostly cloudy. A chance of showers and a slight chance
of thunderstorms. Lows in the upper 50s. Highs around 80.
$$
MTZ136-122230-
The Lower Missouri River Breaks including the Charles M Russell
National Wildlife Refuge-
153 AM MDT Wed Aug 12 2026
.TODAY...
Sky/weather.........Mostly cloudy (45-55 percent).
Chance of thunder...0 percent.
Max temperature.....79-84.
Min humidity........37-42 percent.
20-foot winds.......
Lower elevation......Northeast winds 5 to 15 mph.
Ridge............Northeast winds 5 to 15 mph.
CWR (> 0.10 inch)...Zero.
.TONIGHT...
Sky/weather.........Partly cloudy (40-50 percent). A chance of
showers and a slight chance of thunderstorms.
Chance of thunder...20 percent.
Min temperature.....54-59.
Max humidity........84-89 percent.
20-foot winds.......
Lower elevation......Northeast winds 5 to 15 mph.
Ridge............Northeast winds 5 to 15 mph.
CWR (> 0.10 inch)...70 percent.
.THURSDAY...
Sky/weather.........A chance of showers and a slight chance of
thunderstorms.
Chance of thunder...20 percent.
Max temperature.....68-73.
Min humidity........68-73 percent.
20-foot winds.......
Lower elevation......East winds 10 to 15 mph.
Ridge............East winds 10 to 15 mph.
CWR (> 0.10 inch)...70 percent.
.Forecast days 3 through 7......
.FRIDAY...Showers and a chance of thunderstorms. Lows in the mid
50s. Highs around 70. Northeast winds 10 to 20 mph.
.SATURDAY...Mostly cloudy. A slight chance of showers. Lows in
the lower 50s. Highs in the mid 70s. Northeast winds 5 to 10 mph.
.SUNDAY...Partly cloudy. A slight chance of showers. Lows in the
mid 50s. Highs in the lower 80s. Southeast winds 5 to 10 mph.
.MONDAY...Partly cloudy. A slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
.TUESDAY...Mostly cloudy. A chance of showers and a slight chance
of thunderstorms. Lows in the upper 50s. Highs in the lower 80s.
$$
MTZ137-122230-
Southern Petroleum and Southern Garfield Counties-
153 AM MDT Wed Aug 12 2026
.TODAY...
Sky/weather.........Mostly cloudy (50-60 percent). A chance of
showers and a slight chance of thunderstorms in
the afternoon.
Chance of thunder...20 percent.
Max temperature.....80-85.
Min humidity........37-42 percent.
20-foot winds.......
Lower elevation......Northeast winds 5 to 15 mph.
Ridge............Northeast winds 5 to 15 mph.
CWR (> 0.10 inch)...Zero.
.TONIGHT...
Sky/weather.........Partly cloudy (45-55 percent). A chance of
showers and thunderstorms in the evening, then
a chance of showers and a slight chance of
thunderstorms after midnight.
Chance of thunder...50 percent.
Min temperature.....54-59.
Max humidity........87-92 percent.
20-foot winds.......
Lower elevation......Northeast winds 5 to 15 mph.
Ridge............Northeast winds 5 to 15 mph.
CWR (> 0.10 inch)...40 percent.
.THURSDAY...
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.....71-76.
Min humidity........66-71 percent.
20-foot winds.......
Lower elevation......East winds 5 to 15 mph.
Ridge............Northeast winds 5 to 15 mph.
CWR (> 0.10 inch)...60 percent.
.Forecast days 3 through 7......
.FRIDAY...Showers and a chance of thunderstorms. Lows in the mid
50s. Highs in the lower 70s. North winds 5 to 15 mph.
.SATURDAY...Mostly cloudy. A chance of showers. Lows in the lower
50s. Highs in the mid 70s. Northeast winds 10 to 15 mph.
.SUNDAY...Partly cloudy. A chance of showers and a slight chance
of thunderstorms. Lows in the lower 50s. Highs in the lower 80s.
Southeast winds 5 to 10 mph.
.MONDAY...Partly cloudy. A slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 80s.
.TUESDAY...Mostly cloudy. A chance of showers and a slight chance
of thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
$$
MTZ120-122230-
Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties-
153 AM MDT Wed Aug 12 2026
.TODAY...
Sky/weather.........Partly cloudy (40-50 percent). A slight chance
of showers.
Chance of thunder...0 percent.
Max temperature.....74-79.
Min humidity........44-49 percent.
20-foot winds.......Northeast winds 5 to 15 mph.
CWR (> 0.10 inch)...Zero.
.TONIGHT...
Sky/weather.........Partly cloudy (40-50 percent) then becoming
mostly cloudy (60-70 percent). A slight chance
of showers and thunderstorms in the evening,
then a chance of showers after midnight.
Chance of thunder...20 percent.
Min temperature.....50-55.
Max humidity........89-94 percent.
20-foot winds.......Northeast winds 5 to 15 mph.
CWR (> 0.10 inch)...10 percent.
.THURSDAY...
Sky/weather.........A chance of showers in the morning, then a
chance of showers and a slight chance of
thunderstorms in the afternoon.
Chance of thunder...20 percent.
Max temperature.....67-72.
Min humidity........70-75 percent.
20-foot winds.......East winds 10 to 20 mph.
CWR (> 0.10 inch)...50 percent.
.Forecast days 3 through 7......
.FRIDAY...Showers and a slight chance of thunderstorms. Lows in
the lower 50s. Highs in the upper 60s. East winds 15 to 25 mph.
.SATURDAY...Mostly cloudy. Lows in the upper 40s. Highs in the
lower 70s. North winds 5 to 15 mph.
.SUNDAY...Partly cloudy. A slight chance of showers. Lows in the
upper 40s. Highs in the upper 70s. Southeast winds 5 to 10 mph.
.MONDAY...Mostly cloudy. A chance of showers and a slight chance
of thunderstorms. Lows in the lower 50s. Highs in the lower 80s.
.TUESDAY...Mostly cloudy. A chance of showers and a slight chance
of thunderstorms. Lows in the mid 50s. Highs in the upper 70s.
$$
MTZ122-122230-
Dawson/McCone/Prairie/Richland/Wibaux Counties-
153 AM MDT Wed Aug 12 2026
.TODAY...
Sky/weather.........Mostly cloudy (55-65 percent). A chance of
showers and thunderstorms in the afternoon.
Chance of thunder...30 percent.
Max temperature.....78-83.
Min humidity........46-51 percent.
20-foot winds.......Northeast winds 5 to 15 mph.
CWR (> 0.10 inch)...Less than 10 percent.
.TONIGHT...
Sky/weather.........Mostly cloudy (50-60 percent). A chance of
showers and a slight chance of thunderstorms.
Chance of thunder...20 percent.
Min temperature.....52-57.
Max humidity........92-97 percent.
20-foot winds.......Northeast winds 5 to 15 mph.
CWR (> 0.10 inch)...20 percent.
.THURSDAY...
Sky/weather.........A chance of showers and a slight chance of
thunderstorms in the morning, then showers
likely and a chance of thunderstorms in the
afternoon.
Chance of thunder...50 percent.
Max temperature.....71-76.
Min humidity........70-75 percent.
20-foot winds.......East winds 10 to 20 mph.
CWR (> 0.10 inch)...70 percent.
.Forecast days 3 through 7......
.FRIDAY...Showers and a chance of thunderstorms. Lows in the mid
50s. Highs around 70. East winds 10 to 20 mph.
.SATURDAY...Mostly cloudy. Lows in the upper 40s. Highs in the
lower 70s. North winds 10 to 15 mph.
.SUNDAY...Partly cloudy. A slight chance of showers. Lows in the
lower 50s. Highs in the upper 70s. Southeast winds 5 to 10 mph.
.MONDAY...Partly cloudy. A slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 80s.
.TUESDAY...Mostly cloudy. A chance of showers and a slight chance
of thunderstorms. Lows in the mid 50s. Highs in the lower 80s.
$$
weather.gov/glasgow