351
FNUS55 KGGW 180830
FWFGGW

Fire Weather Planning Forecast for Northeast Montana
National Weather Service Glasgow MT
230 AM MDT Mon Aug 18 2025

.DISCUSSION...Upper ridge will build over Montana today and
Tuesday and move to the east on Wednesday. Hot temperatures and
low humidity is expected Tuesday and Wednesday with highs near 100
in many areas. A cold front Wednesday night will bring a chance of
showers and thunderstorms with much cooler temperatures for the
remainder of the week.


MTZ134-182215-
Northern Valley and Northern Phillips Counties-
230 AM MDT Mon Aug 18 2025

.TODAY...
Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    sunny (10-20 percent).
Chance of thunder...0 percent.
Max temperature.....85-90.
Min humidity........27-32 percent.
20-foot winds.......Southwest winds up to 5 mph.
CWR (> 0.10 inch)...Zero.

.TONIGHT...
Sky/weather.........Mostly clear (20-30 percent).
Chance of thunder...0 percent.
Min temperature.....60-65.
Max humidity........74-79 percent.
20-foot winds.......South winds up to 5 mph becoming southeast 5 to
                    10 mph in the late evening and overnight.
CWR (> 0.10 inch)...Zero.

.TUESDAY...
Sky/weather.........Sunny (15-25 percent).
Chance of thunder...0 percent.
Max temperature.....97-102.
Min humidity........20-25 percent.
20-foot winds.......Southeast winds 5 to 10 mph.
CWR (> 0.10 inch)...Zero.


.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows in the mid 60s. Highs in the mid
90s. Northeast winds 5 to 15 mph.
.THURSDAY...Partly cloudy. A slight chance of showers and
thunderstorms. Lows around 60. Highs around 80. North winds 5 to
15 mph.
.FRIDAY...Mostly clear. Lows in the lower 50s. Highs in the mid
70s. North winds 5 to 15 mph.
.SATURDAY...Mostly clear. Lows in the upper 40s. Highs in the mid
70s.
.SUNDAY...Mostly clear. Lows in the lower 50s. Highs around 80.

$$

MTZ135-182215-
The Little Rockies-
230 AM MDT Mon Aug 18 2025

.TODAY...
Sky/weather.........Sunny (10-20 percent).
Chance of thunder...0 percent.
Max temperature.....88-93 valleys and 77-82 ridges.
Min humidity........29-34 percent.
20-foot winds.......
    Lower elevation......Upslope/upvalley 2-5 mph becoming
                         upslope/upvalley 4-8 mph in the afternoon.
    Ridge............Southwest winds up to 5 mph.
CWR (> 0.10 inch)...Zero.

.TONIGHT...
Sky/weather.........Partly cloudy (25-35 percent).
Chance of thunder...0 percent.
Min temperature.....63-68.
Max humidity........55-60 percent.
20-foot winds.......
    Lower elevation......Downslope/downvalley 2-5 mph.
    Ridge............Southwest winds up to 5 mph increasing to 5 to
                     10 mph.
CWR (> 0.10 inch)...Zero.

.TUESDAY...
Sky/weather.........Sunny (5-15 percent).
Chance of thunder...0 percent.
Max temperature.....98-103 valleys and 88-93 ridges.
Min humidity........20-25 percent.
20-foot winds.......
    Lower elevation......Upslope/upvalley 2-5 mph.
    Ridge............South winds 5 to 10 mph.
CWR (> 0.10 inch)...Zero.


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

$$

MTZ136-182215-
The Lower Missouri River Breaks including the Charles M Russell
National Wildlife Refuge-
230 AM MDT Mon Aug 18 2025

.TODAY...
Sky/weather.........Partly cloudy (20-30 percent) then becoming
                    sunny (5-15 percent).
Chance of thunder...0 percent.
Max temperature.....86-91.
Min humidity........30-35 percent.
20-foot winds.......
    Lower elevation......Upslope/upvalley 1-3 mph becoming
                         upslope/upvalley 4-8 mph in the afternoon.
    Ridge............Southwest winds up to 5 mph becoming south in
                     the afternoon.
CWR (> 0.10 inch)...Zero.

.TONIGHT...
Sky/weather.........Mostly clear (20-30 percent).
Chance of thunder...0 percent.
Min temperature.....64-69.
Max humidity........67-72 percent.
20-foot winds.......
    Lower elevation......Southeast winds 5 to 10 mph.
    Ridge............Southeast winds 5 to 10 mph.
CWR (> 0.10 inch)...Zero.

.TUESDAY...
Sky/weather.........Sunny (10-20 percent).
Chance of thunder...0 percent.
Max temperature.....98-103.
Min humidity........17-22 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.
CWR (> 0.10 inch)...Zero.


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

$$

MTZ137-182215-
Southern Petroleum and Southern Garfield Counties-
230 AM MDT Mon Aug 18 2025

.TODAY...
Sky/weather.........Sunny (15-25 percent).
Chance of thunder...0 percent.
Max temperature.....87-92.
Min humidity........25-30 percent.
20-foot winds.......
    Lower elevation......Upslope/upvalley 2-5 mph becoming
                         upslope/upvalley 4-8 mph in the afternoon.
    Ridge............West winds up to 5 mph becoming south in the
                     afternoon.
CWR (> 0.10 inch)...Zero.

.TONIGHT...
Sky/weather.........Partly cloudy (25-35 percent).
Chance of thunder...0 percent.
Min temperature.....62-67.
Max humidity........66-71 percent.
20-foot winds.......
    Lower elevation......Southeast winds 5 to 10 mph.
    Ridge............Southeast winds 5 to 10 mph.
CWR (> 0.10 inch)...Zero.

.TUESDAY...
Sky/weather.........Sunny (5-15 percent).
Chance of thunder...0 percent.
Max temperature.....99-104.
Min humidity........12-17 percent.
20-foot winds.......
    Lower elevation......Upslope/upvalley 2-5 mph.
    Ridge............South winds 5 to 10 mph.
CWR (> 0.10 inch)...Zero.


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

$$

MTZ120-182215-
Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties-
230 AM MDT Mon Aug 18 2025

.TODAY...
Sky/weather.........Partly cloudy (45-55 percent) then becoming
                    sunny (15-25 percent).
Chance of thunder...0 percent.
Max temperature.....85-90.
Min humidity........36-41 percent.
20-foot winds.......Northwest winds up to 5 mph becoming south in
                    the afternoon.
CWR (> 0.10 inch)...Zero.

.TONIGHT...
Sky/weather.........Mostly clear (15-25 percent).
Chance of thunder...0 percent.
Min temperature.....60-65.
Max humidity........83-88 percent.
20-foot winds.......East winds 5 to 10 mph.
CWR (> 0.10 inch)...Zero.

.TUESDAY...
Sky/weather.........Sunny (15-25 percent).
Chance of thunder...0 percent.
Max temperature.....95-100.
Min humidity........28-33 percent.
20-foot winds.......Southeast winds 10 to 15 mph.
CWR (> 0.10 inch)...Zero.


.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows in the upper 60s. Highs in the
upper 90s. Southeast winds 5 to 15 mph.
.THURSDAY...Partly cloudy. A slight chance of showers and
thunderstorms. Lows in the lower 60s. Highs in the upper 70s.
North winds 5 to 15 mph.
.FRIDAY...Mostly clear. Lows in the lower 50s. Highs in the mid
70s. Northwest winds 10 to 20 mph.
.SATURDAY...Mostly clear. Lows in the upper 40s. Highs in the
lower 70s.
.SUNDAY...Mostly clear. Lows in the upper 40s. Highs in the mid
70s.

$$

MTZ122-182215-
Dawson/McCone/Prairie/Richland/Wibaux Counties-
230 AM MDT Mon Aug 18 2025

.TODAY...
Sky/weather.........Partly cloudy (45-55 percent) then becoming
                    sunny (5-15 percent).
Chance of thunder...0 percent.
Max temperature.....87-92.
Min humidity........34-39 percent.
20-foot winds.......West winds up to 5 mph.
CWR (> 0.10 inch)...Zero.

.TONIGHT...
Sky/weather.........Mostly clear (15-25 percent).
Chance of thunder...0 percent.
Min temperature.....62-67.
Max humidity........79-84 percent.
20-foot winds.......North winds up to 5 mph becoming east 5 to 10
                    mph in the late evening and overnight.
CWR (> 0.10 inch)...Zero.

.TUESDAY...
Sky/weather.........Sunny (15-25 percent).
Chance of thunder...0 percent.
Max temperature.....97-102.
Min humidity........23-28 percent.
20-foot winds.......Southeast winds 5 to 10 mph.
CWR (> 0.10 inch)...Zero.


.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows around 70. Highs around 101.
South winds 5 to 15 mph.
.THURSDAY...Partly cloudy. A slight chance of showers and
thunderstorms. Lows in the mid 60s. Highs in the lower 80s. North
winds 5 to 15 mph.
.FRIDAY...Mostly clear. A slight chance of showers. Lows in the
mid 50s. Highs in the upper 70s. North winds 5 to 15 mph.
.SATURDAY...Mostly clear. Lows in the lower 50s. Highs in the mid
70s.
.SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the upper
70s.

$$

weather.gov/glasgow