548
FNUS55 KGGW 210703
FWFGGW

Fire Weather Planning Forecast for Northeast Montana
National Weather Service Glasgow MT
103 AM MDT Fri Aug 21 2026

.DISCUSSION...
An upper ridge will build into the area through Saturday bringing
warm and mainly dry conditions. Scattered showers and
thunderstorms are expected to move northeast into the area
through the weekend and into early next week. Warm and dry
conditions are expected to resume Tuesday.

MTZ134-212215-
Northern Valley and Northern Phillips Counties-
103 AM MDT Fri Aug 21 2026

.TODAY...
Sky/weather.........Partly cloudy (40-50 percent) then becoming
                    sunny (10-20 percent).
Chance of thunder...0 percent.
Max temperature.....82-87.
Min humidity........28-33 percent.
20-foot winds.......Northeast winds 5 to 15 mph.
CWR (> 0.10 inch)...Less than 10 percent.

.TONIGHT...
Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    mostly cloudy (45-55 percent).
Chance of thunder...0 percent.
Min temperature.....55-60.
Max humidity........65-70 percent.
20-foot winds.......East winds 5 to 15 mph until early morning.
CWR (> 0.10 inch)...Zero.

.SATURDAY...
Sky/weather.........Mostly cloudy (55-65 percent).
Chance of thunder...0 percent.
Max temperature.....84-89.
Min humidity........25-30 percent.
20-foot winds.......Southeast winds 10 to 20 mph.
CWR (> 0.10 inch)...Zero.


.Forecast days 3 through 7......
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the lower 90s. Southeast winds 10 to 20 mph.
.MONDAY...Partly cloudy. A chance of showers and a slight chance
of thunderstorms. Lows around 60. Highs in the lower 80s. West
winds 15 to 25 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 80s. Northwest winds 15 to 25 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 50s. Highs in the
mid 80s.
.THURSDAY...Partly cloudy. A slight chance of showers. Lows in
the mid 50s. Highs in the lower 80s.

$$

MTZ135-212215-
The Little Rockies-
103 AM MDT Fri Aug 21 2026

.TODAY...
Sky/weather.........Sunny (10-20 percent).
Chance of thunder...0 percent.
Max temperature.....86-91 valleys and 76-81 ridges.
Min humidity........29-34 percent.
20-foot winds.......
    Lower elevation......Upslope/upvalley 2-5 mph.
    Ridge............East winds 5 to 10 mph.
CWR (> 0.10 inch)...Zero.

.TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent) then becoming
                    mostly cloudy (60-70 percent).
Chance of thunder...0 percent.
Min temperature.....64-69 valleys and 56-61 ridges.
Max humidity........53-58 percent.
20-foot winds.......
    Lower elevation......East winds 5 to 15 mph.
    Ridge............East winds 5 to 15 mph.
CWR (> 0.10 inch)...Zero.

.SATURDAY...
Sky/weather.........Mostly cloudy (65-75 percent).
Chance of thunder...0 percent.
Max temperature.....89-94 valleys and 78-83 ridges.
Min humidity........30-35 percent.
20-foot winds.......
    Lower elevation......Southeast winds 10 to 20 mph.
    Ridge............Southeast winds 10 to 20 mph.
CWR (> 0.10 inch)...Zero.


.Forecast days 3 through 7......
.SUNDAY...Partly cloudy. Lows in the mid 60s. Highs in the lower
90s. Southwest winds 10 to 15 mph.
.MONDAY...Mostly clear. A slight chance of showers. Lows in the
lower 60s. Highs in the lower 80s. West winds 5 to 15 mph.
.TUESDAY...Mostly clear. Lows in the upper 50s. Highs around 80.
Northwest winds 10 to 15 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs in the
mid 80s.
.THURSDAY...Partly cloudy. A slight chance of showers and
thunderstorms. Lows around 60. Highs in the lower 80s.

$$

MTZ136-212215-
The Lower Missouri River Breaks including the Charles M Russell
National Wildlife Refuge-
103 AM MDT Fri Aug 21 2026

.TODAY...
Sky/weather.........Sunny (15-25 percent).
Chance of thunder...0 percent.
Max temperature.....83-88.
Min humidity........29-34 percent.
20-foot winds.......
    Lower elevation......Northeast winds 5 to 15 mph.
    Ridge............East winds 5 to 15 mph.
CWR (> 0.10 inch)...Zero.

.TONIGHT...
Sky/weather.........Partly cloudy (35-45 percent) then becoming
                    mostly cloudy (50-60 percent).
Chance of thunder...0 percent.
Min temperature.....59-64.
Max humidity........59-64 percent.
20-foot winds.......
    Lower elevation......East winds 5 to 15 mph.
    Ridge............East winds 5 to 15 mph.
CWR (> 0.10 inch)...Zero.

.SATURDAY...
Sky/weather.........Mostly cloudy (60-70 percent).
Chance of thunder...0 percent.
Max temperature.....87-92.
Min humidity........25-30 percent.
20-foot winds.......
    Lower elevation......Southeast winds 10 to 20 mph.
    Ridge............Southeast winds 10 to 20 mph.
CWR (> 0.10 inch)...Zero.


.Forecast days 3 through 7......
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the upper
60s. Highs in the lower 90s. South winds 10 to 20 mph.
.MONDAY...Partly cloudy. A chance of showers and a slight chance
of thunderstorms. Lows in the mid 60s. Highs in the mid 80s. West
winds 10 to 20 mph.
.TUESDAY...Mostly clear. Lows in the upper 50s. Highs in the
lower 80s. Northwest winds 10 to 20 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs in the
mid 80s.
.THURSDAY...Partly cloudy. A slight chance of showers. Lows
around 60. Highs in the mid 80s.

$$

MTZ137-212215-
Southern Petroleum and Southern Garfield Counties-
103 AM MDT Fri Aug 21 2026

.TODAY...
Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    sunny (15-25 percent).
Chance of thunder...0 percent.
Max temperature.....85-90.
Min humidity........25-30 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) then becoming
                    mostly cloudy (55-65 percent).
Chance of thunder...0 percent.
Min temperature.....59-64.
Max humidity........58-63 percent.
20-foot winds.......
    Lower elevation......East winds 5 to 15 mph.
    Ridge............East winds 5 to 15 mph.
CWR (> 0.10 inch)...Zero.

.SATURDAY...
Sky/weather.........Mostly cloudy (60-70 percent).
Chance of thunder...0 percent.
Max temperature.....88-93.
Min humidity........25-30 percent.
20-foot winds.......
    Lower elevation......Southeast winds 10 to 20 mph.
    Ridge............Southeast winds 10 to 20 mph.
CWR (> 0.10 inch)...Zero.


.Forecast days 3 through 7......
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the mid 90s. South winds 10 to 20 mph.
.MONDAY...Partly cloudy. A chance of showers and a slight chance
of thunderstorms. Lows in the lower 60s. Highs in the mid 80s.
West winds 5 to 15 mph.
.TUESDAY...Partly cloudy. Lows in the upper 50s. Highs in the
lower 80s. North winds 10 to 15 mph.
.WEDNESDAY...Partly cloudy. Lows in the upper 50s. Highs in the
mid 80s.
.THURSDAY...Partly cloudy. A slight chance of showers. Lows in
the upper 50s. Highs in the mid 80s.

$$

MTZ120-212215-
Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties-
103 AM MDT Fri Aug 21 2026

.TODAY...
Sky/weather.........Mostly cloudy (45-55 percent) then becoming
                    sunny (20-30 percent). A slight chance of
                    showers in the morning.
Chance of thunder...0 percent.
Max temperature.....80-85.
Min humidity........33-38 percent.
20-foot winds.......Northeast winds 5 to 15 mph.
CWR (> 0.10 inch)...Less than 10 percent.

.TONIGHT...
Sky/weather.........Partly cloudy (20-30 percent).
Chance of thunder...0 percent.
Min temperature.....52-57.
Max humidity........74-79 percent.
20-foot winds.......Northeast winds 5 to 10 mph becoming east early
                    in the morning.
CWR (> 0.10 inch)...Zero.

.SATURDAY...
Sky/weather.........Partly cloudy (45-55 percent).
Chance of thunder...0 percent.
Max temperature.....82-87.
Min humidity........28-33 percent.
20-foot winds.......Southeast winds 5 to 15 mph.
CWR (> 0.10 inch)...Zero.


.Forecast days 3 through 7......
.SUNDAY...Mostly cloudy. A chance of showers and a slight chance
of thunderstorms. Lows in the lower 60s. Highs in the upper 80s.
Southeast winds 10 to 20 mph.
.MONDAY...Partly cloudy. A chance of showers and thunderstorms.
Lows around 60. Highs in the mid 80s. West winds 15 to 25 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
70s. Northwest winds 15 to 25 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 80s.
.THURSDAY...Partly cloudy. A slight chance of showers. Lows in
the mid 50s. Highs in the lower 80s.

$$

MTZ122-212215-
Dawson/McCone/Prairie/Richland/Wibaux Counties-
103 AM MDT Fri Aug 21 2026

.TODAY...
Sky/weather.........Partly cloudy (30-40 percent) then becoming
                    sunny (10-20 percent).
Chance of thunder...0 percent.
Max temperature.....83-88.
Min humidity........30-35 percent.
20-foot winds.......Northeast winds 5 to 15 mph.
CWR (> 0.10 inch)...Less than 10 percent.

.TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent).
Chance of thunder...0 percent.
Min temperature.....54-59.
Max humidity........72-77 percent.
20-foot winds.......Northeast winds 5 to 15 mph becoming east 5 to
                    10 mph after midnight.
CWR (> 0.10 inch)...Zero.

.SATURDAY...
Sky/weather.........Mostly cloudy (45-55 percent).
Chance of thunder...0 percent.
Max temperature.....85-90.
Min humidity........25-30 percent.
20-foot winds.......Southeast winds 5 to 15 mph.
CWR (> 0.10 inch)...Zero.


.Forecast days 3 through 7......
.SUNDAY...Mostly cloudy. A chance of showers and a slight chance
of thunderstorms. Lows in the mid 60s. Highs in the lower 90s.
Southeast winds 10 to 20 mph.
.MONDAY...Partly cloudy. A chance of showers and a slight chance
of thunderstorms. Lows in the lower 60s. Highs in the mid 80s.
West winds 10 to 20 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the lower
80s. Northwest winds 10 to 20 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 80s.
.THURSDAY...Partly cloudy. A slight chance of showers. Lows in
the upper 50s. Highs in the mid 80s.

$$

weather.gov/glasgow