Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
741
FNUS55 KTFX 040953
FWFTFX
Fire Weather Planning Forecast for North-Central Montana
National Weather Service Great Falls MT
353 AM MDT Mon Aug 4 2025
.DISCUSSION...
Showers and thunderstorms will move from south to north, mostly
this afternoon through early Tuesday. The primary thunderstorm
hazards will be localized strong gusty winds, hail, and heavy
downpours in addition to cloud to ground lightning. Drier
conditions are expected Tuesday and Wednesday, but there may be
some lingering isolated showers or storms on Tuesday and westerly
winds will gust in the 15 to 30 mph range each afternoon. Another
Pacific trough will bring more scattered showers and storms,
breezy to windy conditions, and cooler temperatures for the second
half of the work week.
MTZ112-042215-
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
353 AM MDT Mon Aug 4 2025
.TODAY...
* Sky/Weather...........Partly sunny. Slight chance of showers in
the morning, then chance of showers and thunderstorms in the
afternoon. Haze in the afternoon.
* Chance Lightning.......30 percent.
* Max Temperature.......76-85...69-75 higher elevations.
24 hr trend......1 degree down.
* Min Humidity..........36-44 percent.
24 hr trend......3 percent up.
* Wind (20 FT).
Lower Elevations...Southwest winds 10 to 15 mph shifting to
the southeast in the afternoon.
Ridges.............South winds 5 to 10 mph.
* Mixing Height.........500-1000 ft agl increasing to 5500-7000 ft
agl.
* Transport Winds.......Southwest 15 to 20 mph.
* CWR...................10 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Chance of showers and
thunderstorms in the evening, then showers likely and slight
chance of thunderstorms after midnight.
* Chance Lightning.......50 percent.
* Min Temperature.......52-57.
24 hr trend......2 degrees up.
* Max Humidity..........87-94 percent.
24 hr trend......3 percent down...5 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...West winds 10 to 15 mph.
Ridges.............East winds 10 to 15 mph shifting to the
west after midnight.
* Mixing Height.........3500-4500 ft agl decreasing to 1000-1500 ft
agl early in the evening.
* Transport Winds.......West 15 to 20 mph.
* CWR...................30 percent.
.TUESDAY...
* Sky/Weather...........Partly sunny. Chance of showers in the
morning. Slight chance of thunderstorms through the day. Slight
chance of showers in the afternoon.
* Chance Lightning.......20 percent.
* Max Temperature.......70-78...62-67 higher elevations.
24 hr trend......11 degrees down...5 degrees down higher
elevations.
* Min Humidity..........42-52 percent.
24 hr trend......2 percent up.
* Wind (20 FT).
Lower Elevations...West winds 15 to 20 mph.
Ridges.............West winds 15 to 20 mph.
* Mixing Height.........1000-2000 ft agl increasing to 7000-7500 ft
agl.
* Transport Winds.......West around 25 mph.
* CWR...................10 percent.
.FORECAST DAYS 3 THROUGH 7......
.WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s. West winds 15 to 20 mph.
.THURSDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the lower 70s. West
winds 15 to 20 mph.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the upper 40s. Highs in the mid 60s. West winds 15 to
20 mph.
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
.SUNDAY...Partly cloudy. Lows around 50. Highs in the upper 70s.
$$
MTZ113-042215-
Hill and Blaine Counties-
353 AM MDT Mon Aug 4 2025
.TODAY...
* Sky/Weather...........Mostly sunny. Slight chance of showers and
thunderstorms in the afternoon.
* Chance Lightning.......20 percent.
* Max Temperature.......83-88...75-80 higher elevations.
24 hr trend......3 degrees up.
* Min Humidity..........36-45 percent.
24 hr trend......4 percent down.
* Wind (20 FT).
Lower Elevations...Southeast winds 5 to 10 mph.
Ridges.............Southeast winds 5 to 10 mph.
* Mixing Height.........500-2000 ft agl increasing to 6500-8000 ft
agl.
* Transport Winds.......Southeast 15 to 20 mph.
* CWR...................10 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Chance of thunderstorms in
the evening. Showers through the night. Slight chance of
thunderstorms after midnight.
* Chance Lightning.......50 percent.
* Min Temperature.......55-60...49-56 higher elevations.
24 hr trend......1 degree up.
* Max Humidity..........89-99 percent.
24 hr trend......Unchanged.
* Wind (20 FT).
Lower Elevations...Southeast winds 10 to 15 mph shifting to
the southwest after midnight.
Ridges.............Southeast winds 10 to 15 mph shifting to
the south after midnight.
* Mixing Height.........5500 ft agl decreasing to 1000-1500 ft agl.
* Transport Winds.......East 20 to 25 mph shifting to the southwest
after midnight.
* CWR...................40 percent.
.TUESDAY...
* Sky/Weather...........Mostly cloudy. Showers likely and slight
chance of thunderstorms in the morning, then chance of showers
and thunderstorms in the afternoon.
* Chance Lightning.......50 percent.
* Max Temperature.......72-78...65-70 higher elevations.
24 hr trend......10 degrees down.
* Min Humidity..........52-62 percent.
24 hr trend......17 percent up.
* Wind (20 FT).
Lower Elevations...West winds 10 to 15 mph.
Ridges.............West winds 10 to 15 mph.
* Mixing Height.........1000-2000 ft agl increasing to 5000-6500 ft
agl.
* Transport Winds.......West 20 to 25 mph.
* CWR...................30 percent.
.FORECAST DAYS 3 THROUGH 7......
.WEDNESDAY...Mostly clear. Lows in the mid 50s. Highs in the
lower 80s. West winds 10 to 15 mph.
.THURSDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the upper 70s.
West winds 10 to 15 mph.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the lower 50s. Highs in the upper 60s. West winds 15 to
20 mph.
.SATURDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 50s. Highs in the lower 70s.
.SUNDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s.
$$
MTZ114-042215-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-
353 AM MDT Mon Aug 4 2025
.TODAY...
* Sky/Weather...........Partly sunny. Slight chance of showers in
the morning, then chance of showers and thunderstorms in the
afternoon.
* Chance Lightning.......50 percent.
* Max Temperature.......76-83...64-74 higher elevations.
24 hr trend......4 degrees down...2 degrees up higher
elevations.
* Min Humidity..........34-44 percent.
24 hr trend......14 percent up...1 percent up higher elevations.
* Wind (20 FT).
Lower Elevations...West winds around 5 mph shifting to the
northeast in the afternoon.
Ridges.............Southwest winds 5 to 10 mph.
* Mixing Height.........1000-1500 ft agl increasing to 3500-5000 ft
agl late in the morning, then increasing to 6500-8000 ft agl in
the afternoon decreasing to 6000 ft agl late in the afternoon.
* Transport Winds.......West 10 to 15 mph shifting to the north in
the afternoon.
* CWR...................10 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Showers likely and chance of
thunderstorms in the evening, then chance of showers and slight
chance of thunderstorms after midnight.
* Chance Lightning.......50 percent.
* Min Temperature.......46-53.
24 hr trend......1 degree down.
* Max Humidity..........82-92 percent.
24 hr trend......1 percent down.
* Wind (20 FT).
Lower Elevations...West winds 10 to 15 mph.
Ridges.............West winds 10 to 15 mph.
* Mixing Height.........3000-4500 ft agl decreasing to 1000-1500 ft
agl early in the evening.
* Transport Winds.......West 15 to 20 mph.
* CWR...................40 percent.
.TUESDAY...
* Sky/Weather...........Partly sunny. Chance of showers in the
morning, then slight chance of showers and thunderstorms in the
afternoon.
* Chance Lightning.......20 percent.
* Max Temperature.......71-78...58-68 higher elevations.
24 hr trend......2 degrees down...8 degrees down higher
elevations.
* Min Humidity..........30-39 percent...40-50 percent higher
elevations.
24 hr trend......Unchanged...8 percent up higher elevations.
* Wind (20 FT).
Lower Elevations...West winds 15 to 20 mph.
Ridges.............West winds 15 to 20 mph.
* Mixing Height.........1000-2500 ft agl increasing to 8000-8500 ft
agl.
* Transport Winds.......West 25 to 30 mph.
* CWR...................10 percent.
.FORECAST DAYS 3 THROUGH 7......
.WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
mid 70s. West winds 15 to 20 mph.
.THURSDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the lower 50s. Highs in the lower 70s. West winds 20 to
25 mph.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the upper 40s. Highs in the mid 60s. West winds 15 to
20 mph.
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 40s. Highs around 70.
.SUNDAY...Partly cloudy. Lows around 50. Highs in the mid 70s.
$$
MTZ115-042215-
Chouteau and Fergus Counties-
353 AM MDT Mon Aug 4 2025
.TODAY...
* Sky/Weather...........Mostly sunny. Chance of showers and
thunderstorms in the afternoon.
* Chance Lightning.......40 percent.
* Max Temperature.......83-89...75-81 higher elevations.
24 hr trend......Unchanged.
* Min Humidity..........32-39 percent.
24 hr trend......5 percent up.
* Wind (20 FT).
Lower Elevations...East winds 10 to 15 mph.
Ridges.............Southeast winds 10 to 15 mph.
* Mixing Height.........500-2000 ft agl increasing to 8500-9000 ft
agl.
* Transport Winds.......Southeast 15 to 20 mph.
* CWR...................10 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Chance of thunderstorms in
the evening. Showers likely through the night. Slight chance of
thunderstorms after midnight.
* Chance Lightning.......50 percent.
* Min Temperature.......53-59.
24 hr trend......3 degrees down.
* Max Humidity..........85-95 percent.
24 hr trend......20 percent up...11 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...Southeast winds 10 to 15 mph shifting to
the southwest after midnight.
Ridges.............East winds 10 to 15 mph shifting to the
southwest after midnight.
* Mixing Height.........5500 ft agl decreasing to 1000 ft agl.
* Transport Winds.......West 20 to 25 mph.
* CWR...................40 percent.
.TUESDAY...
* Sky/Weather...........Partly sunny. Chance of showers and slight
chance of thunderstorms.
* Chance Lightning.......20 percent.
* Max Temperature.......74-80...66-73 higher elevations.
24 hr trend......7 degrees down.
* Min Humidity..........39-49 percent.
24 hr trend......5 percent up.
* Wind (20 FT).
Lower Elevations...West winds 15 to 20 mph.
Ridges.............West winds 15 to 20 mph.
* Mixing Height.........1000-2500 ft agl increasing to 6000-7500 ft
agl.
* Transport Winds.......West 20 to 25 mph.
* CWR...................10 percent.
.FORECAST DAYS 3 THROUGH 7......
.WEDNESDAY...Mostly clear. Lows in the mid 50s. Highs in the
lower 80s. West winds 10 to 15 mph.
.THURSDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the upper 70s.
West winds 10 to 15 mph.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the lower 50s. Highs around 70. West winds 15 to 20 mph.
.SATURDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 50s. Highs in the lower 70s.
.SUNDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s.
$$
MTZ116-118-042215-
Lincoln Ranger District of the Helena National Forest-
Helena and Townsend Ranger Districts of the Helena National
Forest-
353 AM MDT Mon Aug 4 2025
.TODAY...
* Sky/Weather...........Partly sunny. Chance of showers and
thunderstorms in the afternoon.
* Chance Lightning.......50 percent.
* Max Temperature.......78-85...68-78 higher elevations.
24 hr trend......Unchanged.
* Min Humidity..........25-35 percent.
24 hr trend......15 percent up.
* Wind (20 FT).
Lower Elevations...South winds around 5 mph shifting to the
north in the afternoon.
Ridges.............South winds 10 to 15 mph shifting to the
west in the afternoon.
* Mixing Height.........1000-2000 ft agl increasing to 3000-4500 ft
agl late in the morning, then increasing to 6000-7000 ft agl
early in the afternoon increasing to 8500 ft agl early in the
afternoon increasing to 9500-10500 ft agl decreasing to 6500 ft
agl late in the afternoon.
* Transport Winds.......Southwest 10 to 15 mph.
* CWR...................10 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Chance of thunderstorms in
the evening. Chance of showers through the night.
* Chance Lightning.......50 percent.
* Min Temperature.......46-53.
24 hr trend......3 degrees down.
* Max Humidity..........80-90 percent.
24 hr trend......18 percent up...29 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...West winds 10 to 15 mph.
Ridges.............West winds 10 to 15 mph.
* Mixing Height.........3500-4000 ft agl decreasing to 1000-2000 ft
agl early in the evening.
* Transport Winds.......West 15 to 20 mph.
* CWR...................20 percent.
.TUESDAY...
* Sky/Weather...........Partly sunny. Slight chance of showers in
the morning.
* Chance Lightning.......0 percent.
* Max Temperature.......72-80...62-71 higher elevations.
24 hr trend......3 degrees down...10 degrees down higher
elevations.
* Min Humidity..........26-36 percent.
24 hr trend......3 percent down...2 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...West winds 10 to 15 mph.
Ridges.............West winds 10 to 15 mph.
* Mixing Height.........1000-2000 ft agl increasing to 8000-9500 ft
agl.
* Transport Winds.......West around 25 mph.
* CWR...................0 percent.
.FORECAST DAYS 3 THROUGH 7......
.WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s. West winds 10 to 15 mph.
.THURSDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the mid 50s. Highs in the mid 70s. West winds 15 to
20 mph.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the upper 40s. Highs in the upper 60s. West winds 15 to
20 mph.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the mid 40s. Highs in the lower 70s.
.SUNDAY...Partly cloudy. Lows around 50. Highs in the upper 70s.
$$
MTZ117-042215-
Central and Eastern Lewis and Clark National Forest Areas-
353 AM MDT Mon Aug 4 2025
.TODAY...
* Sky/Weather...........Mostly sunny. Chance of showers and
thunderstorms in the afternoon.
* Chance Lightning.......50 percent.
* Max Temperature.......79-85...70-79 higher elevations.
24 hr trend......3 degrees up.
* Min Humidity..........29-39 percent.
24 hr trend......1 percent up...13 percent up higher elevations.
* Wind (20 FT).
Lower Elevations...South winds around 5 mph shifting to the
northeast in the afternoon.
Ridges.............South winds 10 to 15 mph.
* Mixing Height.........1000-2500 ft agl increasing to 4000 ft agl
late in the morning, then increasing to 6000 ft agl early in the
afternoon increasing to 8000-9500 ft agl in the afternoon
decreasing to 6500 ft agl.
* Transport Winds.......South 15 to 20 mph.
* CWR...................10 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Showers likely and chance of
thunderstorms in the evening, then chance of showers after
midnight.
* Chance Lightning.......50 percent.
* Min Temperature.......46-55.
24 hr trend......3 degrees down.
* Max Humidity..........81-91 percent.
24 hr trend......23 percent up...13 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...West winds 10 to 15 mph.
Ridges.............West winds 10 to 15 mph.
* Mixing Height.........4500 ft agl decreasing to 1000-2500 ft agl.
* Transport Winds.......West 20 to 25 mph.
* CWR...................30 percent.
.TUESDAY...
* Sky/Weather...........Partly sunny. Slight chance of showers
through the day. Slight chance of thunderstorms in the afternoon.
* Chance Lightning.......20 percent.
* Max Temperature.......71-79...62-71 higher elevations.
24 hr trend......8 degrees down.
* Min Humidity..........31-41 percent.
24 hr trend......1 percent down.
* Wind (20 FT).
Lower Elevations...West winds 20 to 25 mph.
Ridges.............West winds 20 to 25 mph.
* Mixing Height.........1000-1500 ft agl increasing to 7500 ft agl.
* Transport Winds.......West 25 to 30 mph.
* CWR...................10 percent.
.FORECAST DAYS 3 THROUGH 7......
.WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s. Southwest winds 15 to 20 mph.
.THURSDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the mid 50s. Highs in the mid 70s. West winds 15 to
20 mph.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the upper 40s. Highs in the mid 60s. West winds 20 to
25 mph.
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 40s. Highs in the upper 60s.
.SUNDAY...Partly cloudy. Lows in the upper 40s. Highs in the mid
70s.
$$
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