Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Glasgow, MT

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865
FNUS55 KGGW 302009
FWFGGW

Fire Weather Planning Forecast for Northeast Montana
National Weather Service Glasgow MT
209 PM MDT Sat Aug 30 2025

.DISCUSSION...
The persistent western states summer monsoon influence combines
with a stagnant flow pattern over eastern Montana, to allow for
some scattered rain showers and a few isolated thunderstorms.
Most of these are small and short-lived with minimal impact,
although a brief heavy downpour and an errant lightning strike
cannot be ruled out this afternoon. By this evening, most of the
active weather conditions will shift away toward the southeast.

MTZ134-311015-
Northern Valley and Northern Phillips Counties-
209 PM MDT Sat Aug 30 2025

.TONIGHT...
Sky/weather.........Partly cloudy (40-50 percent).
Chance of thunder...0 percent.
Min temperature.....50-55.
Max humidity........91-96 percent.
20-foot winds.......South winds 5 to 15 mph.
CWR (> 0.10 inch)...Less than 10 percent.

.SUNDAY...
Sky/weather.........Sunny (15-25 percent).
Chance of thunder...0 percent.
Max temperature.....84-89.
Min humidity........27-32 percent.
20-foot winds.......South winds 5 to 15 mph becoming west 5 to 10
                    mph late in the afternoon.
CWR (> 0.10 inch)...Less than 10 percent.

.SUNDAY NIGHT...
Sky/weather.........Partly cloudy (20-30 percent).
Chance of thunder...0 percent.
Min temperature.....53-58.
Max humidity........76-81 percent.
20-foot winds.......Northwest winds 5 to 10 mph.
CWR (> 0.10 inch)...Less than 10 percent.

.LABOR DAY...
Sky/weather.........Sunny (10-20 percent).
Chance of thunder...0 percent.
Max temperature.....85-90.
Min humidity........23-28 percent.
20-foot winds.......Northwest winds 5 to 10 mph.
CWR (> 0.10 inch)...Zero.


.Forecast days 3 through 7......
.TUESDAY...Partly cloudy. A slight chance of showers. Lows in the
mid 50s. Highs in the upper 70s. North winds 5 to 15 mph.
.WEDNESDAY...Partly cloudy. Lows in the mid 40s. Highs in the
lower 70s. East winds 5 to 15 mph.
.THURSDAY...Partly cloudy. Lows in the lower 40s. Highs in the
upper 70s. South winds 5 to 10 mph.
.FRIDAY...Mostly clear. Lows in the upper 40s. Highs around 80.
.SATURDAY...Partly cloudy. Lows in the upper 40s. Highs in the
lower 80s.

$$

MTZ135-311015-
The Little Rockies-
209 PM MDT Sat Aug 30 2025

.TONIGHT...
Sky/weather.........Mostly clear (15-25 percent).
Chance of thunder...0 percent.
Min temperature.....57-62 valleys and 51-56 ridges.
Max humidity........74-79 percent.
20-foot winds.......
    Lower elevation......East winds 5 to 10 mph.
    Ridge............Southeast winds 5 to 10 mph becoming south
                     after midnight.
CWR (> 0.10 inch)...Less than 10 percent.

.SUNDAY...
Sky/weather.........Sunny (5-15 percent).
Chance of thunder...0 percent.
Max temperature.....86-91 valleys and 76-81 ridges.
Min humidity........24-29 percent.
20-foot winds.......
    Lower elevation......Upslope/upvalley 2-5 mph becoming
                         upslope/upvalley 4-8 mph late in the
                         afternoon.
    Ridge............Southwest winds 5 to 10 mph becoming northwest
                     late in the afternoon.
CWR (> 0.10 inch)...Less than 10 percent.

.SUNDAY NIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Chance of thunder...0 percent.
Min temperature.....58-63.
Max humidity........51-56 percent.
20-foot winds.......
    Lower elevation......Northwest winds 5 to 10 mph.
    Ridge............Northwest winds 5 to 10 mph.
CWR (> 0.10 inch)...Zero.

.LABOR DAY...
Sky/weather.........Sunny (5-15 percent).
Chance of thunder...0 percent.
Max temperature.....87-92 valleys and 76-81 ridges.
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)...Zero.


.Forecast days 3 through 7......
.TUESDAY...Partly cloudy. Lows around 60. Highs around 80. North
winds 5 to 10 mph.
.WEDNESDAY...Partly cloudy. Lows around 50. Highs in the lower
70s. East winds 5 to 15 mph.
.THURSDAY...Partly cloudy. Lows around 50. Highs in the upper
70s. West winds 5 to 10 mph.
.FRIDAY...Mostly clear. Lows in the lower 50s. Highs in the upper
70s.
.SATURDAY...Partly cloudy. Lows in the mid 50s. Highs in the
lower 80s.

$$

MTZ136-311015-
The Lower Missouri River Breaks including the Charles M Russell
National Wildlife Refuge-
209 PM MDT Sat Aug 30 2025

.TONIGHT...
Sky/weather.........Partly cloudy (45-55 percent).
Chance of thunder...0 percent.
Min temperature.....53-58.
Max humidity........86-91 percent.
20-foot winds.......
    Lower elevation......South winds 5 to 15 mph until early
                         morning becoming downslope/downvalley 2-5
                         mph.
    Ridge............South winds 5 to 10 mph.
CWR (> 0.10 inch)...Less than 10 percent.

.SUNDAY...
Sky/weather.........Sunny (10-20 percent).
Chance of thunder...0 percent.
Max temperature.....84-89.
Min humidity........27-32 percent.
20-foot winds.......
    Lower elevation......Upslope/upvalley 5-10 mph becoming
                         upslope/upvalley 4-8 mph late in the
                         afternoon.
    Ridge............South winds 5 to 10 mph becoming west late in
                     the afternoon.
CWR (> 0.10 inch)...Less than 10 percent.

.SUNDAY NIGHT...
Sky/weather.........Mostly clear (5-15 percent).
Chance of thunder...0 percent.
Min temperature.....57-62.
Max humidity........67-72 percent.
20-foot winds.......
    Lower elevation......Northwest winds 5 to 10 mph early in the
                         evening becoming downslope/downvalley 2-5
                         mph.
    Ridge............Northwest winds 5 to 10 mph becoming west up
                     to 5 mph after midnight.
CWR (> 0.10 inch)...Zero.

.LABOR DAY...
Sky/weather.........Sunny (5-15 percent).
Chance of thunder...0 percent.
Max temperature.....86-91.
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)...Zero.


.Forecast days 3 through 7......
.TUESDAY...Partly cloudy. Lows in the upper 50s. Highs in the
lower 80s. North winds 5 to 10 mph.
.WEDNESDAY...Partly cloudy. Lows in the upper 40s. Highs in the
lower 70s. Northeast winds 5 to 15 mph.
.THURSDAY...Partly cloudy. Lows in the upper 40s. Highs in the
upper 70s. South winds 5 to 10 mph.
.FRIDAY...Mostly clear. Lows in the lower 50s. Highs in the lower
80s.
.SATURDAY...Partly cloudy. Lows in the lower 50s. Highs in the
mid 80s.

$$

MTZ137-311015-
Southern Petroleum and Southern Garfield Counties-
209 PM MDT Sat Aug 30 2025

.TONIGHT...
Sky/weather.........Partly cloudy (45-55 percent).
Chance of thunder...0 percent.
Min temperature.....50-55.
Max humidity........90-95 percent.
20-foot winds.......
    Lower elevation......South winds 5 to 15 mph.
    Ridge............Southeast winds 10 to 20 mph becoming south 5
                     to 10 mph in the late evening and overnight.
CWR (> 0.10 inch)...Less than 10 percent.

.SUNDAY...
Sky/weather.........Sunny (10-20 percent).
Chance of thunder...0 percent.
Max temperature.....84-89.
Min humidity........24-29 percent.
20-foot winds.......
    Lower elevation......Upslope/upvalley 2-5 mph becoming
                         upslope/upvalley 4-8 mph late in the
                         afternoon.
    Ridge............South winds 5 to 10 mph becoming northwest
                     late in the afternoon.
CWR (> 0.10 inch)...Less than 10 percent.

.SUNDAY NIGHT...
Sky/weather.........Mostly clear (10-20 percent).
Chance of thunder...0 percent.
Min temperature.....54-59.
Max humidity........67-72 percent.
20-foot winds.......
    Lower elevation......Downslope/downvalley 2-5 mph.
    Ridge............Northwest winds 5 to 10 mph becoming north up
                     to 5 mph late in the evening, then becoming
                     west after midnight.
CWR (> 0.10 inch)...Zero.

.LABOR DAY...
Sky/weather.........Sunny (10-20 percent).
Chance of thunder...0 percent.
Max temperature.....84-89.
Min humidity........22-27 percent.
20-foot winds.......
    Lower elevation......Upslope/upvalley 2-5 mph.
    Ridge............Northwest winds 5 to 10 mph.
CWR (> 0.10 inch)...Zero.


.Forecast days 3 through 7......
.TUESDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid
80s. Northwest winds 5 to 10 mph.
.WEDNESDAY...Partly cloudy. Lows in the upper 40s. Highs in the
lower 70s. Northeast winds 5 to 15 mph.
.THURSDAY...Partly cloudy. Lows in the mid 40s. Highs in the
upper 70s. South winds 5 to 10 mph.
.FRIDAY...Mostly clear. Lows in the upper 40s. Highs in the lower
80s.
.SATURDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 80s.

$$

MTZ120-311015-
Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties-
209 PM MDT Sat Aug 30 2025

.TONIGHT...
Sky/weather.........Mostly cloudy (55-65 percent) then becoming
                    partly cloudy (40-50 percent).
Chance of thunder...0 percent.
Min temperature.....52-57.
Max humidity........88-93 percent.
20-foot winds.......South winds 5 to 10 mph.
CWR (> 0.10 inch)...Less than 10 percent.

.SUNDAY...
Sky/weather.........Partly cloudy (30-40 percent).
Chance of thunder...0 percent.
Max temperature.....81-86.
Min humidity........38-43 percent.
20-foot winds.......South winds 5 to 15 mph.
CWR (> 0.10 inch)...Less than 10 percent.

.SUNDAY NIGHT...
Sky/weather.........Partly cloudy (30-40 percent). A slight chance
                    of showers and thunderstorms in the evening.
Chance of thunder...20 percent.
Min temperature.....54-59.
Max humidity........80-85 percent.
20-foot winds.......West winds 5 to 10 mph becoming south in the
                    late evening and early morning, then becoming
                    west up to 5 mph early in the morning.
CWR (> 0.10 inch)...10 percent.

.LABOR DAY...
Sky/weather.........Sunny (10-20 percent).
Chance of thunder...0 percent.
Max temperature.....84-89.
Min humidity........26-31 percent.
20-foot winds.......Northwest winds 5 to 10 mph becoming 5 to 15
                    mph in the afternoon.
CWR (> 0.10 inch)...Less than 10 percent.


.Forecast days 3 through 7......
.TUESDAY...Mostly cloudy. A slight chance of showers. Lows in the
mid 50s. Highs in the lower 70s. North winds 5 to 15 mph.
.WEDNESDAY...Partly cloudy. Lows in the lower 40s. Highs in the
upper 60s. Northeast winds 5 to 15 mph.
.THURSDAY...Partly cloudy. Lows in the lower 40s. Highs in the
mid 70s. Southwest winds 5 to 15 mph.
.FRIDAY...Mostly clear. Lows in the mid 40s. Highs in the upper
70s.
.SATURDAY...Mostly clear. Lows in the upper 40s. Highs in the
upper 70s.

$$

MTZ122-311015-
Dawson/McCone/Prairie/Richland/Wibaux Counties-
209 PM MDT Sat Aug 30 2025

.TONIGHT...
Sky/weather.........Mostly cloudy (50-60 percent). A slight chance
                    of showers and thunderstorms in the evening.
Chance of thunder...20 percent.
Min temperature.....51-56.
Max humidity........93-98 percent.
20-foot winds.......Southeast winds 10 to 20 mph becoming south 5
                    to 10 mph after midnight.
CWR (> 0.10 inch)...10 percent.

.SUNDAY...
Sky/weather.........Partly cloudy (35-45 percent) then becoming
                    sunny (20-30 percent).
Chance of thunder...0 percent.
Max temperature.....81-86.
Min humidity........34-39 percent.
20-foot winds.......South winds 5 to 10 mph.
CWR (> 0.10 inch)...Less than 10 percent.

.SUNDAY NIGHT...
Sky/weather.........Mostly clear (20-30 percent).
Chance of thunder...0 percent.
Min temperature.....53-58.
Max humidity........81-86 percent.
20-foot winds.......Northwest winds up to 5 mph becoming south 5 to
                    10 mph in the late evening and early morning,
                    then becoming southwest up to 5 mph early in
                    the morning.
CWR (> 0.10 inch)...Less than 10 percent.

.LABOR DAY...
Sky/weather.........Sunny (5-15 percent).
Chance of thunder...0 percent.
Max temperature.....85-90.
Min humidity........25-30 percent.
20-foot winds.......West winds up to 5 mph becoming northwest 5 to
                    10 mph in the afternoon.
CWR (> 0.10 inch)...Zero.


.Forecast days 3 through 7......
.TUESDAY...Partly cloudy. A slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs around 80. North winds
5 to 10 mph.
.WEDNESDAY...Partly cloudy. A slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the upper 60s.
Northeast winds 5 to 15 mph.
.THURSDAY...Partly cloudy. Lows in the lower 40s. Highs in the
upper 70s. Southwest winds 5 to 10 mph.
.FRIDAY...Mostly clear. Lows in the mid 40s. Highs in the upper
70s.
.SATURDAY...Mostly clear. Lows in the upper 40s. Highs in the
lower 80s.

$$

weather.gov/glasgow