203
FNUS55 KGGW 231940
FWFGGW

Fire Weather Planning Forecast for Northeast Montana
National Weather Service Glasgow MT
140 PM MDT Sun Aug 23 2026

.DISCUSSION...

Seasonably hot temperatures with a mix of wet and dry
thunderstorms are expected through tomorrow. Strong to severe
thunderstorms this afternoon will bring gusty, erratic winds and
frequent lightning. Though min RH values in the 20-40% range and
good overnight recovery will mitigate fire weather concerns. Warm
and dry conditions are expected to resume Tuesday.


MTZ134-241015-
Northern Valley and Northern Phillips Counties-
140 PM MDT Sun Aug 23 2026

.TONIGHT...
Sky/weather.........Mostly cloudy (50-60 percent) then becoming
                    partly cloudy (25-35 percent). A chance of
                    showers and a slight chance of thunderstorms in
                    the evening. Some thunderstorms may be severe.
Chance of thunder...20 percent.
Min temperature.....57-62.
Max humidity........62-67 percent.
20-foot winds.......West winds 10 to 20 mph decreasing to 5 to 15
                    mph in the late evening and overnight.
CWR (> 0.10 inch)...10 percent.

.MONDAY...
Sky/weather.........Sunny (20-30 percent).
Chance of thunder...0 percent.
Max temperature.....80-85.
Min humidity........29-34 percent.
20-foot winds.......West winds 10 to 15 mph increasing to 15 to 25
                    mph in the late morning and afternoon.
CWR (> 0.10 inch)...Zero.

.MONDAY NIGHT...
Sky/weather.........Partly cloudy (40-50 percent).
Chance of thunder...0 percent.
Min temperature.....53-58.
Max humidity........81-86 percent.
20-foot winds.......Northwest winds 15 to 25 mph decreasing to 5 to
                    15 mph after midnight.
CWR (> 0.10 inch)...Zero.

.TUESDAY...
Sky/weather.........Partly cloudy (30-40 percent) then becoming
                    sunny (5-15 percent).
Chance of thunder...0 percent.
Max temperature.....80-85.
Min humidity........26-31 percent.
20-foot winds.......Northwest winds 5 to 15 mph.
CWR (> 0.10 inch)...Zero.


.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows in the lower 50s. Highs in the
mid 80s. Northeast winds 10 to 15 mph.
.THURSDAY...Partly cloudy. Lows in the upper 50s. Highs around
90. Southeast winds 10 to 20 mph.
.FRIDAY...Partly cloudy. A slight chance of showers. Lows in the
upper 50s. Highs in the upper 80s. East winds 10 to 20 mph.
.SATURDAY...Partly cloudy. A slight chance of showers. Lows in
the mid 50s. Highs in the mid 80s.
.SUNDAY...Partly cloudy. A slight chance of showers. Lows in the
lower 50s. Highs in the upper 70s.

$$

MTZ135-241015-
The Little Rockies-
140 PM MDT Sun Aug 23 2026

.TONIGHT...
Sky/weather.........A chance of showers in the evening.
Chance of thunder...0 percent.
Min temperature.....57-62.
Max humidity........44-49 percent.
20-foot winds.......
    Lower elevation......West winds 5 to 15 mph.
    Ridge............West winds 10 to 20 mph.
CWR (> 0.10 inch)...Less than 10 percent.

.MONDAY...
Sky/weather.........Sunny (10-20 percent).
Chance of thunder...0 percent.
Max temperature.....82-87 valleys and 72-77 ridges.
Min humidity........26-31 percent.
20-foot winds.......
    Lower elevation......West winds 5 to 15 mph.
    Ridge............West winds 10 to 20 mph.
CWR (> 0.10 inch)...Zero.

.MONDAY NIGHT...
Sky/weather.........Mostly clear (15-25 percent).
Chance of thunder...0 percent.
Min temperature.....57-62 valleys and 50-55 ridges.
Max humidity........63-68 percent.
20-foot winds.......
    Lower elevation......Northwest winds 5 to 15 mph until early
                         morning becoming downslope/downvalley 5-10
                         mph.
    Ridge............Northwest winds 5 to 15 mph.
CWR (> 0.10 inch)...Zero.

.TUESDAY...
Sky/weather.........Partly cloudy (20-30 percent) then becoming
                    sunny (0-10 percent).
Chance of thunder...0 percent.
Max temperature.....83-88 valleys and 73-78 ridges.
Min humidity........26-31 percent.
20-foot winds.......
    Lower elevation......Upslope/upvalley 2-5 mph.
    Ridge............Northwest winds up to 5 mph.
CWR (> 0.10 inch)...Zero.


.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs in the
mid 80s. East winds 5 to 15 mph.
.THURSDAY...Partly cloudy. Lows in the lower 60s. Highs in the
upper 80s. Southeast winds 5 to 15 mph.
.FRIDAY...Partly cloudy. A slight chance of showers and
thunderstorms. Lows in the mid 60s. Highs in the mid 80s. North
winds 5 to 10 mph.
.SATURDAY...Partly cloudy. A slight chance of showers. Lows in
the lower 60s. Highs in the lower 80s.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the mid
50s. Highs in the mid 70s.

$$

MTZ136-241015-
The Lower Missouri River Breaks including the Charles M Russell
National Wildlife Refuge-
140 PM MDT Sun Aug 23 2026

.TONIGHT...
Sky/weather.........Partly cloudy (20-30 percent). Showers likely
                    and a slight chance of thunderstorms in the
                    evening. Some thunderstorms may be severe.
Chance of thunder...20 percent.
Min temperature.....61-66.
Max humidity........55-60 percent.
20-foot winds.......
    Lower elevation......West winds 5 to 15 mph.
    Ridge............West winds 10 to 20 mph decreasing to 5 to 15
                     mph in the late evening and overnight.
CWR (> 0.10 inch)...10 percent.

.MONDAY...
Sky/weather.........Sunny (20-30 percent).
Chance of thunder...0 percent.
Max temperature.....81-86.
Min humidity........23-28 percent.
20-foot winds.......
    Lower elevation......West winds 10 to 20 mph.
    Ridge............West winds 10 to 20 mph.
CWR (> 0.10 inch)...Zero.

.MONDAY NIGHT...
Sky/weather.........Mostly clear (20-30 percent).
Chance of thunder...0 percent.
Min temperature.....56-61.
Max humidity........67-72 percent.
20-foot winds.......
    Lower elevation......Northwest winds 5 to 10 mph.
    Ridge............Northwest winds 10 to 15 mph.
CWR (> 0.10 inch)...Zero.

.TUESDAY...
Sky/weather.........Partly cloudy (30-40 percent) then becoming
                    sunny (0-10 percent).
Chance of thunder...0 percent.
Max temperature.....80-85.
Min humidity........26-31 percent.
20-foot winds.......
    Lower elevation......Northwest winds 5 to 15 mph.
    Ridge............Northwest winds 5 to 15 mph.
CWR (> 0.10 inch)...Zero.


.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs in the
mid 80s. East winds 5 to 10 mph.
.THURSDAY...Partly cloudy. A slight chance of showers. Lows in
the lower 60s. Highs in the lower 90s. Southeast winds 5 to
15 mph.
.FRIDAY...Partly cloudy. A slight chance of showers. Lows in the
mid 60s. Highs in the upper 80s. East winds 5 to 15 mph.
.SATURDAY...Partly cloudy. A slight chance of showers. Lows in
the lower 60s. Highs in the mid 80s.
.SUNDAY...Partly cloudy. A slight chance of showers. Lows in the
upper 50s. Highs in the upper 70s.

$$

MTZ137-241015-
Southern Petroleum and Southern Garfield Counties-
140 PM MDT Sun Aug 23 2026

.TONIGHT...
Sky/weather.........Mostly cloudy (50-60 percent) then becoming
                    partly cloudy (25-35 percent). A slight chance
                    of showers and thunderstorms in the evening.
                    Some thunderstorms may be severe.
Chance of thunder...20 percent.
Min temperature.....59-64.
Max humidity........59-64 percent.
20-foot winds.......
    Lower elevation......West winds 5 to 15 mph.
    Ridge............Northwest winds 10 to 20 mph becoming west 5
                     to 15 mph in the late evening and overnight.
CWR (> 0.10 inch)...20 percent.

.MONDAY...
Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    sunny (10-20 percent).
Chance of thunder...0 percent.
Max temperature.....81-86.
Min humidity........20-25 percent.
20-foot winds.......
    Lower elevation......Northwest winds 10 to 20 mph.
    Ridge............Northwest winds 10 to 20 mph.
CWR (> 0.10 inch)...Zero.

.MONDAY NIGHT...
Sky/weather.........Partly cloudy (30-40 percent).
Chance of thunder...0 percent.
Min temperature.....54-59.
Max humidity........66-71 percent.
20-foot winds.......
    Lower elevation......Northwest winds 5 to 15 mph in the evening
                         becoming downslope/downvalley 2-5 mph.
    Ridge............Northwest winds 5 to 10 mph.
CWR (> 0.10 inch)...Zero.

.TUESDAY...
Sky/weather.........Partly cloudy (30-40 percent) then becoming
                    sunny (5-15 percent).
Chance of thunder...0 percent.
Max temperature.....80-85.
Min humidity........26-31 percent.
20-foot winds.......
    Lower elevation......Northwest winds 5 to 15 mph.
    Ridge............Northwest winds 5 to 15 mph.
CWR (> 0.10 inch)...Zero.


.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows in the mid 50s. Highs in the
upper 80s. East winds 10 to 15 mph.
.THURSDAY...Partly cloudy. Lows around 60. Highs in the lower
90s. Southeast winds 5 to 15 mph.
.FRIDAY...Partly cloudy. A slight chance of showers. Lows in the
lower 60s. Highs in the upper 80s. Southeast winds 5 to 15 mph.
.SATURDAY...Partly cloudy. A slight chance of showers. Lows in
the upper 50s. Highs in the mid 80s.
.SUNDAY...Partly cloudy. A slight chance of showers. Lows in the
mid 50s. Highs in the upper 70s.

$$

MTZ120-241015-
Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties-
140 PM MDT Sun Aug 23 2026

.TONIGHT...
Sky/weather.........Mostly cloudy (50-60 percent) then becoming
                    partly cloudy (40-50 percent). A slight chance
                    of showers and thunderstorms in the evening,
                    then a slight chance of showers after midnight.
Chance of thunder...20 percent.
Min temperature.....58-63.
Max humidity........83-88 percent.
20-foot winds.......South winds 5 to 15 mph becoming west after
                    midnight.
CWR (> 0.10 inch)...10 percent.

.MONDAY...
Sky/weather.........Partly cloudy (30-40 percent) then becoming
                    sunny (20-30 percent).
Chance of thunder...0 percent.
Max temperature.....81-86.
Min humidity........29-34 percent.
20-foot winds.......West winds 20 to 30 mph.
CWR (> 0.10 inch)...Less than 10 percent.

.MONDAY NIGHT...
Sky/weather.........Partly cloudy (40-50 percent).
Chance of thunder...0 percent.
Min temperature.....55-60.
Max humidity........81-86 percent.
20-foot winds.......West winds 15 to 25 mph.
CWR (> 0.10 inch)...Zero.

.TUESDAY...
Sky/weather.........Mostly cloudy (50-60 percent) then becoming
                    sunny (20-30 percent).
Chance of thunder...0 percent.
Max temperature.....79-84.
Min humidity........32-37 percent.
20-foot winds.......Northwest winds 15 to 25 mph.
CWR (> 0.10 inch)...Zero.


.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 80s. North winds 10 to 20 mph.
.THURSDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid
80s. East winds 5 to 15 mph.
.FRIDAY...Partly cloudy. A chance of showers and a slight chance
of thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
Southeast winds 10 to 20 mph.
.SATURDAY...Partly cloudy. A slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 80s.
.SUNDAY...Partly cloudy. A chance of showers. Lows in the mid
50s. Highs in the upper 70s.

$$

MTZ122-241015-
Dawson/McCone/Prairie/Richland/Wibaux Counties-
140 PM MDT Sun Aug 23 2026

.TONIGHT...
Sky/weather.........Partly cloudy (40-50 percent). A slight chance
                    of showers and thunderstorms in the evening.
Chance of thunder...20 percent.
Min temperature.....60-65.
Max humidity........73-78 percent.
20-foot winds.......Northwest winds 5 to 15 mph becoming west after
                    midnight.
CWR (> 0.10 inch)...Less than 10 percent.

.MONDAY...
Sky/weather.........Sunny (20-30 percent).
Chance of thunder...0 percent.
Max temperature.....82-87.
Min humidity........23-28 percent.
20-foot winds.......West winds 10 to 20 mph.
CWR (> 0.10 inch)...Less than 10 percent.

.MONDAY NIGHT...
Sky/weather.........Partly cloudy (25-35 percent).
Chance of thunder...0 percent.
Min temperature.....55-60.
Max humidity........75-80 percent.
20-foot winds.......West winds 10 to 20 mph decreasing to 5 to 15
                    mph after midnight.
CWR (> 0.10 inch)...Zero.

.TUESDAY...
Sky/weather.........Partly cloudy (30-40 percent) then becoming
                    sunny (10-20 percent).
Chance of thunder...0 percent.
Max temperature.....80-85.
Min humidity........29-34 percent.
20-foot winds.......Northwest winds 10 to 20 mph.
CWR (> 0.10 inch)...Zero.


.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 80s. North winds 10 to 15 mph.
.THURSDAY...Partly cloudy. Lows in the mid 50s. Highs in the
upper 80s. East winds 5 to 15 mph.
.FRIDAY...Partly cloudy. A chance of showers and a slight chance
of thunderstorms. Lows in the lower 60s. Highs in the upper 80s.
Southeast winds 5 to 15 mph.
.SATURDAY...Partly cloudy. A slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
.SUNDAY...Partly cloudy. A slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs around 80.

$$

weather.gov/glasgow