Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Glasgow, MT
Issued by NWS Glasgow, MT
632
FNUS55 KGGW 291929
FWFGGW
Fire Weather Planning Forecast for Northeast Montana
National Weather Service Glasgow MT
129 PM MDT Fri Aug 29 2025
.DISCUSSION...
A push of monsoonal air from the southwest will help keep
relative humidity values above 25 percent through Sunday. There is
high (70 percent) confidence of precipitation occurring from
Garfield county and Valley county westward, with only moderate (40
percent) confidence east of those locations. The chance of wetting
rain is highest in the far west portion of the area. Winds will
generally remain below 15 mph outside of any thunderstorms.
MTZ134-301015-
Northern Valley and Northern Phillips Counties-
129 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Mostly cloudy (80-90 percent). A chance of
showers and a slight chance of thunderstorms.
Chance of thunder...20 percent.
Min temperature.....55-60.
Max humidity........87-92 percent.
20-foot winds.......North winds 5 to 15 mph.
CWR (> 0.10 inch)...10 percent.
.SATURDAY...
Sky/weather.........Mostly cloudy (55-65 percent). A slight chance
of showers in the morning, then a slight chance
of showers and thunderstorms in the afternoon.
Chance of thunder...20 percent.
Max temperature.....77-82.
Min humidity........47-52 percent.
20-foot winds.......Northeast winds 5 to 10 mph becoming south in
the late morning and afternoon.
CWR (> 0.10 inch)...10 percent.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (45-55 percent).
Chance of thunder...0 percent.
Min temperature.....51-56.
Max humidity........92-97 percent.
20-foot winds.......Southeast winds 5 to 10 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........28-33 percent.
20-foot winds.......South winds up to 5 mph becoming west 5 to 10
mph late in the afternoon.
CWR (> 0.10 inch)...Less than 10 percent.
.Forecast days 3 through 7......
.LABOR DAY...Mostly clear. Lows in the mid 50s. Highs in the mid
80s. Northwest winds 5 to 10 mph.
.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. Northeast winds 5 to 15 mph.
.THURSDAY...Partly cloudy. Lows in the mid 40s. Highs in the
upper 70s.
.FRIDAY...Mostly clear. Lows in the upper 40s. Highs in the upper
70s.
$$
MTZ135-301015-
The Little Rockies-
129 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Showers likely and a chance of thunderstorms in
the evening, then a chance of showers and a
slight chance of thunderstorms after midnight.
Chance of thunder...50 percent.
Min temperature.....58-63 valleys and 50-55 ridges.
Max humidity........90-95 percent.
20-foot winds.......
Lower elevation......Northeast winds 5 to 10 mph becoming
variable less than 5 mph after midnight.
Ridge............East winds 5 to 10 mph.
CWR (> 0.10 inch)...20 percent.
.SATURDAY...
Sky/weather.........Mostly cloudy (50-60 percent). A slight chance
of showers in the morning, then a slight chance
of showers and thunderstorms in the afternoon.
Chance of thunder...20 percent.
Max temperature.....78-83 valleys and 67-72 ridges.
Min humidity........40-45 percent valleys and 57-62 percent ridges.
20-foot winds.......
Lower elevation......Upslope/upvalley 2-5 mph.
Ridge............Northeast winds 5 to 10 mph becoming east up
to 5 mph late in the morning, then becoming
northeast early in the afternoon becoming west
late in the afternoon.
CWR (> 0.10 inch)...10 percent.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (25-35 percent).
Chance of thunder...0 percent.
Min temperature.....58-63 valleys and 52-57 ridges.
Max humidity........73-78 percent.
20-foot winds.......
Lower elevation......Southeast winds 5 to 10 mph.
Ridge............Southeast winds 5 to 10 mph becoming south
early in the morning.
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 75-80 ridges.
Min humidity........23-28 percent valleys and 32-37 percent ridges.
20-foot winds.......
Lower elevation......Upslope/upvalley 2-5 mph.
Ridge............West winds 5 to 10 mph becoming northwest late
in the afternoon.
CWR (> 0.10 inch)...Less than 10 percent.
.Forecast days 3 through 7......
.LABOR DAY...Mostly clear. Lows around 60. Highs in the lower
80s. Northwest winds 5 to 10 mph.
.TUESDAY...Partly cloudy. A slight chance of showers. Lows in the
upper 50s. Highs in the upper 70s. North winds 5 to 10 mph.
.WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 70s. East winds 5 to 15 mph.
.THURSDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s.
.FRIDAY...Mostly clear. Lows in the lower 50s. Highs in the upper
70s.
$$
MTZ136-301015-
The Lower Missouri River Breaks including the Charles M Russell
National Wildlife Refuge-
129 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Mostly cloudy (75-85 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.....58-63.
Max humidity........88-93 percent.
20-foot winds.......
Lower elevation......Northwest winds 5 to 10 mph.
Ridge............Northwest winds 5 to 10 mph becoming west late
in the night.
CWR (> 0.10 inch)...20 percent.
.SATURDAY...
Sky/weather.........Mostly cloudy (55-65 percent). A slight chance
of showers in the morning, then a slight chance
of showers and thunderstorms in the afternoon.
Chance of thunder...20 percent.
Max temperature.....76-81.
Min humidity........50-55 percent.
20-foot winds.......
Lower elevation......Upslope/upvalley 2-5 mph becoming
upslope/upvalley 4-8 mph late in the
afternoon.
Ridge............Southeast winds 5 to 10 mph becoming south in
the afternoon.
CWR (> 0.10 inch)...20 percent.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (35-45 percent).
Chance of thunder...0 percent.
Min temperature.....54-59.
Max humidity........85-90 percent.
20-foot winds.......
Lower elevation......Downslope/downvalley 2-5 mph.
Ridge............South winds up to 5 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........28-33 percent.
20-foot winds.......
Lower elevation......Upslope/upvalley 2-5 mph becoming
upslope/upvalley 4-8 mph in the afternoon.
Ridge............South winds up to 5 mph becoming northwest 5
to 10 mph late in the afternoon.
CWR (> 0.10 inch)...Less than 10 percent.
.Forecast days 3 through 7......
.LABOR DAY...Mostly clear. Lows in the upper 50s. Highs in the
mid 80s. Northwest winds 5 to 10 mph.
.TUESDAY...Partly cloudy. A slight chance of showers. Lows in the
upper 50s. Highs in the upper 70s. North winds 5 to 15 mph.
.WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 70s. Northeast winds 5 to 15 mph.
.THURSDAY...Partly cloudy. Lows around 50. Highs in the upper
70s.
.FRIDAY...Mostly clear. Lows in the lower 50s. Highs around 80.
$$
MTZ137-301015-
Southern Petroleum and Southern Garfield Counties-
129 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Mostly cloudy (70-80 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...40 percent.
Min temperature.....56-61.
Max humidity........93-98 percent.
20-foot winds.......
Lower elevation......Northwest winds 5 to 10 mph becoming
variable less than 5 mph late in the
night.
Ridge............Northwest winds 5 to 10 mph.
CWR (> 0.10 inch)...20 percent.
.SATURDAY...
Sky/weather.........Mostly cloudy (55-65 percent). A chance of
showers in the morning, then a slight chance of
showers and thunderstorms in the afternoon.
Chance of thunder...20 percent.
Max temperature.....75-80.
Min humidity........47-52 percent.
20-foot winds.......
Lower elevation......Upslope/upvalley 2-5 mph becoming
upslope/upvalley 4-8 mph in the afternoon.
Ridge............Northwest winds up to 5 mph becoming southwest
5 to 10 mph in the late morning and early
afternoon, then becoming north up to 5 mph
late in the afternoon.
CWR (> 0.10 inch)...10 percent.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy (40-50 percent).
Chance of thunder...0 percent.
Min temperature.....52-57.
Max humidity........87-92 percent.
20-foot winds.......
Lower elevation......Downslope/downvalley 2-5 mph.
Ridge............Southeast winds up to 5 mph becoming south
early in the morning.
CWR (> 0.10 inch)...Less than 10 percent.
.SUNDAY...
Sky/weather.........Sunny (10-20 percent).
Chance of thunder...0 percent.
Max temperature.....83-88.
Min humidity........25-30 percent.
20-foot winds.......
Lower elevation......Upslope/upvalley 2-5 mph becoming
upslope/upvalley 4-8 mph late in the
afternoon.
Ridge............Southwest winds up to 5 mph becoming west 5 to
10 mph in the afternoon.
CWR (> 0.10 inch)...Less than 10 percent.
.Forecast days 3 through 7......
.LABOR DAY...Mostly clear. Lows in the mid 50s. Highs in the mid
80s. Northwest winds 5 to 10 mph.
.TUESDAY...Partly cloudy. A slight chance of showers. Lows in the
mid 50s. Highs in the lower 80s. North winds 5 to 15 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.
.FRIDAY...Mostly clear. Lows around 50. Highs around 80.
$$
MTZ120-301015-
Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties-
129 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Mostly cloudy (65-75 percent). A slight chance
of showers in the evening.
Chance of thunder...0 percent.
Min temperature.....57-62.
Max humidity........76-81 percent.
20-foot winds.......Northeast winds 5 to 10 mph becoming north
after midnight.
CWR (> 0.10 inch)...Less than 10 percent.
.SATURDAY...
Sky/weather.........Mostly cloudy (60-70 percent).
Chance of thunder...0 percent.
Max temperature.....78-83.
Min humidity........41-46 percent.
20-foot winds.......North winds up to 5 mph becoming south 5 to 10
mph in the afternoon.
CWR (> 0.10 inch)...Less than 10 percent.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (55-65 percent).
Chance of thunder...0 percent.
Min temperature.....54-59.
Max humidity........87-92 percent.
20-foot winds.......South winds 5 to 10 mph.
CWR (> 0.10 inch)...Less than 10 percent.
.SUNDAY...
Sky/weather.........Partly cloudy (35-45 percent) then becoming
sunny (20-30 percent). A slight chance of
showers and thunderstorms in the afternoon.
Chance of thunder...20 percent.
Max temperature.....82-87.
Min humidity........33-38 percent.
20-foot winds.......South winds 10 to 15 mph becoming southwest 5
to 10 mph late in the afternoon.
CWR (> 0.10 inch)...Less than 10 percent.
.Forecast days 3 through 7......
.LABOR DAY...Mostly clear. A slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 80s.
Northwest winds 5 to 15 mph.
.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 mid 40s. Highs in the
upper 60s. Northeast winds 10 to 20 mph.
.THURSDAY...Partly cloudy. Lows in the mid 40s. Highs in the
upper 70s.
.FRIDAY...Mostly clear. Lows in the upper 40s. Highs in the mid
70s.
$$
MTZ122-301015-
Dawson/McCone/Prairie/Richland/Wibaux Counties-
129 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70 percent). A slight chance
of showers.
Chance of thunder...0 percent.
Min temperature.....56-61.
Max humidity........85-90 percent.
20-foot winds.......East winds 5 to 10 mph becoming west up to 5
mph late in the night.
CWR (> 0.10 inch)...Less than 10 percent.
.SATURDAY...
Sky/weather.........Mostly cloudy (65-75 percent). A slight chance
of showers in the morning, then a slight chance
of showers and thunderstorms in the afternoon.
Chance of thunder...20 percent.
Max temperature.....77-82.
Min humidity........48-53 percent.
20-foot winds.......Northwest winds up to 5 mph becoming east 5 to
10 mph late in the morning, then becoming
southeast in the afternoon.
CWR (> 0.10 inch)...10 percent.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy (55-65 percent) then becoming
partly cloudy (45-55 percent).
Chance of thunder...0 percent.
Min temperature.....52-57.
Max humidity........94-99 percent.
20-foot winds.......Southeast winds 5 to 10 mph.
CWR (> 0.10 inch)...Less than 10 percent.
.SUNDAY...
Sky/weather.........Partly cloudy (30-40 percent) then becoming
sunny (10-20 percent). A slight chance of
showers in the afternoon.
Chance of thunder...0 percent.
Max temperature.....82-87.
Min humidity........31-36 percent.
20-foot winds.......South winds 5 to 10 mph becoming southwest up
to 5 mph late in the afternoon.
CWR (> 0.10 inch)...Less than 10 percent.
.Forecast days 3 through 7......
.LABOR DAY...Mostly clear. A slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 80s. West
winds 5 to 10 mph.
.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 around 70.
Northeast winds 5 to 15 mph.
.THURSDAY...Partly cloudy. Lows in the mid 40s. Highs in the
upper 70s.
.FRIDAY...Mostly clear. Lows in the upper 40s. Highs in the upper
70s.
$$
weather.gov/glasgow