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

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508
FNUS55 KGGW 212041
FWFGGW

Fire Weather Planning Forecast for Northeast Montana
National Weather Service Glasgow MT
241 PM MDT Mon Jul 21 2025

.DISCUSSION...
Showers and thunderstorms are expected to move northeast across
the district tonight. Some areas could pick up over a half inch of
rain. Cooler conditions are expected Tuesday and Wednesday with
scattered showers. Warmer and drier conditions are expected later
in the week as an upper trough over the Pacific Northwest lifts
into Canada.

MTZ134-221115-
Northern Valley and Northern Phillips Counties-
241 PM MDT Mon Jul 21 2025

.TONIGHT...
Sky/weather.........Showers and a chance of thunderstorms in the
                    evening, then showers likely and a chance of
                    thunderstorms after midnight.
Chance of thunder...50 percent.
Min temperature.....53-58.
Max humidity........95-100 percent.
20-foot winds.......Northeast winds 5 to 15 mph.
CWR (> 0.10 inch)...70 percent.

.TUESDAY...
Sky/weather.........Mostly cloudy (60-70 percent). A chance of
                    showers in the morning, then a chance of
                    showers and a slight chance of thunderstorms in
                    the afternoon.
Chance of thunder...20 percent.
Max temperature.....70-75.
Min humidity........62-67 percent.
20-foot winds.......Northeast winds 5 to 15 mph becoming west 5 to
                    10 mph late in the afternoon.
CWR (> 0.10 inch)...30 percent.

.TUESDAY NIGHT...
Sky/weather.........Mostly cloudy (50-60 percent). A chance of
                    showers and thunderstorms in the evening.
Chance of thunder...40 percent.
Min temperature.....49-54.
Max humidity........95-100 percent.
20-foot winds.......North winds 5 to 10 mph.
CWR (> 0.10 inch)...20 percent.

.WEDNESDAY...
Sky/weather.........Mostly cloudy (50-60 percent). A chance of
                    showers and a slight chance of thunderstorms in
                    the afternoon.
Chance of thunder...20 percent.
Max temperature.....73-78.
Min humidity........50-55 percent.
20-foot winds.......Northwest winds 5 to 10 mph becoming west in
                    the afternoon.
CWR (> 0.10 inch)...10 percent.


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

$$

MTZ135-221115-
The Little Rockies-
241 PM MDT Mon Jul 21 2025

.TONIGHT...
Sky/weather.........Showers and a chance of thunderstorms.
Chance of thunder...50 percent.
Min temperature.....60-65 valleys and 52-57 ridges.
Max humidity........83-88 percent valleys and 92-97 percent ridges.
20-foot winds.......
    Lower elevation......Northeast winds 5 to 15 mph becoming 5 to
                         10 mph after midnight.
    Ridge............Northeast winds 5 to 15 mph.
CWR (> 0.10 inch)...80 percent.

.TUESDAY...
Sky/weather.........Mostly cloudy (60-70 percent). A chance of
                    showers in the morning, then a chance of
                    showers and thunderstorms in the afternoon.
Chance of thunder...40 percent.
Max temperature.....75-80 valleys and 65-70 ridges.
Min humidity........46-51 percent valleys and 62-67 percent ridges.
20-foot winds.......
    Lower elevation......Upslope/upvalley 2-5 mph.
    Ridge............West winds 5 to 10 mph.
CWR (> 0.10 inch)...10 percent.

.TUESDAY NIGHT...
Sky/weather.........Partly cloudy (35-45 percent). A chance of
                    showers and thunderstorms in the evening.
Chance of thunder...40 percent.
Min temperature.....56-61 valleys and 46-51 ridges.
Max humidity........79-84 percent valleys and 89-94 percent ridges.
20-foot winds.......
    Lower elevation......Northwest winds 5 to 10 mph.
    Ridge............Northwest winds 5 to 10 mph.
CWR (> 0.10 inch)...10 percent.

.WEDNESDAY...
Sky/weather.........Partly cloudy (35-45 percent). A chance of
                    showers and a slight chance of thunderstorms in
                    the afternoon.
Chance of thunder...20 percent.
Max temperature.....78-83 valleys and 67-72 ridges.
Min humidity........35-40 percent valleys and 47-52 percent ridges.
20-foot winds.......
    Lower elevation......Upslope/upvalley 2-5 mph.
    Ridge............West winds 5 to 10 mph.
CWR (> 0.10 inch)...10 percent.


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

$$

MTZ136-221115-
The Lower Missouri River Breaks including the Charles M Russell
National Wildlife Refuge-
241 PM MDT Mon Jul 21 2025

.TONIGHT...
Sky/weather.........A chance of showers and thunderstorms.
Chance of thunder...50 percent.
Min temperature.....58-63.
Max humidity........92-97 percent.
20-foot winds.......
    Lower elevation......Northeast winds 5 to 15 mph.
    Ridge............Northeast winds 5 to 15 mph.
CWR (> 0.10 inch)...80 percent.

.TUESDAY...
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.....73-78.
Min humidity........60-65 percent.
20-foot winds.......
    Lower elevation......Upslope/upvalley 2-5 mph becoming
                         upslope/upvalley 4-8 mph in the afternoon.
    Ridge............Northeast winds 5 to 10 mph becoming northwest
                     in the afternoon.
CWR (> 0.10 inch)...10 percent.

.TUESDAY NIGHT...
Sky/weather.........Mostly cloudy (45-55 percent). A chance of
                    showers and thunderstorms in the evening, then
                    a slight chance of showers and thunderstorms
                    after midnight.
Chance of thunder...50 percent.
Min temperature.....55-60.
Max humidity........91-96 percent.
20-foot winds.......
    Lower elevation......North winds 5 to 10 mph.
    Ridge............North winds 5 to 10 mph.
CWR (> 0.10 inch)...20 percent.

.WEDNESDAY...
Sky/weather.........Mostly cloudy (45-55 percent). A slight chance
                    of showers in the morning, then a chance of
                    showers and a slight chance of thunderstorms in
                    the afternoon.
Chance of thunder...20 percent.
Max temperature.....73-78.
Min humidity........49-54 percent.
20-foot winds.......
    Lower elevation......Upslope/upvalley 2-5 mph.
    Ridge............West winds 5 to 10 mph.
CWR (> 0.10 inch)...10 percent.


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

$$

MTZ137-221115-
Southern Petroleum and Southern Garfield Counties-
241 PM MDT Mon Jul 21 2025

.TONIGHT...
Sky/weather.........A chance of showers and thunderstorms. Some
                    thunderstorms may be severe after midnight.
Chance of thunder...50 percent.
Min temperature.....57-62.
Max humidity........95-100 percent.
20-foot winds.......
    Lower elevation......Northeast winds 5 to 15 mph.
    Ridge............Northeast winds 5 to 15 mph becoming north
                     late in the night.
CWR (> 0.10 inch)...60 percent.

.TUESDAY...
Sky/weather.........Mostly cloudy (50-60 percent). A chance of
                    showers and a slight chance of thunderstorms in
                    the afternoon.
Chance of thunder...20 percent.
Max temperature.....74-79.
Min humidity........56-61 percent.
20-foot winds.......
    Lower elevation......North winds 5 to 15 mph.
    Ridge............North winds 5 to 15 mph.
CWR (> 0.10 inch)...20 percent.

.TUESDAY NIGHT...
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.....54-59.
Max humidity........94-99 percent.
20-foot winds.......
    Lower elevation......North winds 5 to 10 mph.
    Ridge............North winds 5 to 10 mph.
CWR (> 0.10 inch)...30 percent.

.WEDNESDAY...
Sky/weather.........Mostly cloudy (50-60 percent). A chance of
                    showers in the morning, then a chance of
                    showers and a slight chance of thunderstorms in
                    the afternoon.
Chance of thunder...20 percent.
Max temperature.....74-79.
Min humidity........47-52 percent.
20-foot winds.......
    Lower elevation......Upslope/upvalley 2-5 mph.
    Ridge............Northwest winds 5 to 10 mph decreasing to up
                     to 5 mph late in the afternoon.
CWR (> 0.10 inch)...20 percent.


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

$$

MTZ120-221115-
Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties-
241 PM MDT Mon Jul 21 2025

.TONIGHT...
Sky/weather.........A chance of showers and a slight chance of
                    thunderstorms in the evening, then a chance of
                    showers and thunderstorms after midnight.
Chance of thunder...50 percent.
Min temperature.....53-58.
Max humidity........95-100 percent.
20-foot winds.......Northeast winds 5 to 15 mph.
CWR (> 0.10 inch)...50 percent.

.TUESDAY...
Sky/weather.........Mostly cloudy (60-70 percent). Areas of smoke
                    in the morning. A chance of showers and a
                    slight chance of thunderstorms in the morning,
                    then a slight chance of showers and
                    thunderstorms in the afternoon.
Chance of thunder...20 percent.
Max temperature.....70-75.
Min humidity........65-70 percent.
20-foot winds.......Northeast winds 5 to 15 mph.
CWR (> 0.10 inch)...20 percent.

.TUESDAY NIGHT...
Sky/weather.........Mostly cloudy (60-70 percent). A chance of
                    showers and a slight chance of thunderstorms in
                    the evening, then a slight chance of showers
                    after midnight.
Chance of thunder...20 percent.
Min temperature.....51-56.
Max humidity........95-100 percent.
20-foot winds.......North winds 5 to 10 mph.
CWR (> 0.10 inch)...20 percent.

.WEDNESDAY...
Sky/weather.........Mostly cloudy (55-65 percent). A chance of
                    showers and a slight chance of thunderstorms in
                    the afternoon.
Chance of thunder...20 percent.
Max temperature.....73-78.
Min humidity........56-61 percent.
20-foot winds.......Northwest winds 5 to 10 mph becoming west in
                    the afternoon.
CWR (> 0.10 inch)...10 percent.


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

$$

MTZ122-221115-
Dawson/McCone/Prairie/Richland/Wibaux Counties-
241 PM MDT Mon Jul 21 2025

.TONIGHT...
Sky/weather.........A chance of showers and a slight chance of
                    thunderstorms in the evening, then a chance of
                    showers and thunderstorms after midnight. Some
                    thunderstorms may be severe after midnight.
Chance of thunder...50 percent.
Min temperature.....57-62.
Max humidity........95-100 percent.
20-foot winds.......Northeast winds 10 to 15 mph.
CWR (> 0.10 inch)...50 percent.

.TUESDAY...
Sky/weather.........Mostly cloudy (45-55 percent). A slight chance
                    of showers and thunderstorms. Some
                    thunderstorms may be severe in the morning.
Chance of thunder...20 percent.
Max temperature.....76-81.
Min humidity........62-67 percent.
20-foot winds.......Northeast winds 5 to 15 mph becoming north 5 to
                    10 mph in the afternoon.
CWR (> 0.10 inch)...10 percent.

.TUESDAY NIGHT...
Sky/weather.........Mostly cloudy (55-65 percent). A chance of
                    showers and a slight chance of thunderstorms in
                    the evening, then a chance of showers after
                    midnight.
Chance of thunder...20 percent.
Min temperature.....55-60.
Max humidity........95-100 percent.
20-foot winds.......North winds 5 to 10 mph.
CWR (> 0.10 inch)...30 percent.

.WEDNESDAY...
Sky/weather.........Mostly cloudy (55-65 percent). A chance of
                    showers in the morning, then a chance of
                    showers and a slight chance of thunderstorms in
                    the afternoon.
Chance of thunder...20 percent.
Max temperature.....75-80.
Min humidity........55-60 percent.
20-foot winds.......Northwest winds 5 to 10 mph.
CWR (> 0.10 inch)...10 percent.


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

$$

weather.gov/glasgow