Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
080
FNUS55 KTFX 032007
FWFTFX
Fire Weather Planning Forecast for North-Central Montana
National Weather Service Great Falls MT
207 PM MDT Sun Aug 3 2025
.DISCUSSION...
Tomorrow afternoon and evening there will be scattered showers
and thunderstorms across the districts. Isolated thunderstorms
will produce strong to severe wind gusts and/or large hail. On
Tuesday showers and thunderstorms will linger across the northern
districts. On Thursday there will be another round of showers and
thunderstorms before a brief cool down for Friday through
Saturday. All thunderstorms will produce frequent lightning, a
brief heavy downpour, small hail, and gusty, erratic winds. -IG
MTZ112-041045-
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
207 PM MDT Sun Aug 3 2025
.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......51-56.
24 hr trend......Unchanged.
* Max Humidity..........79-89 percent.
24 hr trend......4 percent down.
* Wind (20 FT).
Lower Elevations...Northwest winds 10 to 15 mph shifting to
the west after midnight.
Ridges.............Northwest winds 10 to 15 mph shifting to
the west after midnight.
* Mixing Height.........8000 ft agl decreasing to 500-2000 ft agl.
* Transport Winds.......North 20 to 25 mph shifting to the south
after midnight.
* CWR...................0 percent.
.MONDAY...
* Sky/Weather...........Mostly sunny. Chance of showers and
thunderstorms in the afternoon.
* Chance Lightning.......50 percent.
* Max Temperature.......76-85...69-75 higher elevations.
24 hr trend......9 degrees down...2 degrees up higher
elevations.
* Min Humidity..........35-43 percent.
24 hr trend......5 percent up...2 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Southwest winds 10 to 15 mph shifting to
the east in the afternoon.
Ridges.............Southwest winds 10 to 15 mph shifting to
the southeast in the afternoon.
* Mixing Height.........500-1000 ft agl increasing to 2500 ft agl
late in the morning, then increasing to 4500-6000 ft agl late in
the morning increasing to 6000-7000 ft agl in the afternoon
decreasing to 5000 ft agl.
* Transport Winds.......South 15 to 20 mph.
* CWR...................10 percent.
.MONDAY NIGHT...
* 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.......51-56.
24 hr trend......Unchanged.
* Max Humidity..........88-96 percent.
24 hr trend......4 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.........4000-4500 ft agl decreasing to 1000-1500 ft
agl early in the evening.
* Transport Winds.......West 25 to 30 mph.
* CWR...................50 percent.
.TUESDAY...
* Sky/Weather...........Partly sunny. Chance of showers through the
day. Slight chance of thunderstorms in the afternoon.
* Chance Lightning.......20 percent.
* Max Temperature.......70-78...63-68 higher elevations.
24 hr trend......3 degrees down.
* Min Humidity..........42-52 percent.
24 hr trend......4 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 8000-8500 ft
agl.
* Transport Winds.......West around 30 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. Chance of showers and slight chance of
thunderstorms. Lows in the mid 50s. Highs in the mid 70s. West
winds 15 to 20 mph.
.FRIDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 40s. 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 upper 40s. Highs in the mid 60s.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 70s.
$$
MTZ113-041045-
Hill and Blaine Counties-
207 PM MDT Sun Aug 3 2025
.TONIGHT...
* Sky/Weather...........Mostly clear. Slight chance of showers in
the evening.
* Chance Lightning.......0 percent.
* Min Temperature.......54-60.
24 hr trend......1 degree down.
* Max Humidity..........81-91 percent...72-78 percent higher
elevations.
24 hr trend......4 percent down...19 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...West winds 5 to 10 mph.
Ridges.............Northwest winds 10 to 15 mph shifting to
the southwest after midnight.
* Mixing Height.........4500-6000 ft agl decreasing to 500-1500 ft
agl early in the evening.
* Transport Winds.......Northwest 20 to 25 mph becoming southwest
10 to 15 mph after midnight.
* CWR...................0 percent.
.MONDAY...
* Sky/Weather...........Mostly sunny. Chance of showers and
thunderstorms in the afternoon.
* Chance Lightning.......40 percent.
* Max Temperature.......84-89...76-81 higher elevations.
24 hr trend......4 degrees up.
* Min Humidity..........35-44 percent.
24 hr trend......7 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.
.MONDAY NIGHT...
* Sky/Weather...........Mostly cloudy. Showers and chance of
thunderstorms.
* Chance Lightning.......50 percent.
* Min Temperature.......55-60...49-56 higher elevations.
24 hr trend......Unchanged.
* Max Humidity..........89-99 percent.
24 hr trend......4 percent up...21 percent up higher elevations.
* Wind (20 FT).
Lower Elevations...Southeast winds 10 to 15 mph.
Ridges.............Southeast winds 10 to 15 mph.
* Mixing Height.........3500-5000 ft agl decreasing to 1000-1500 ft
agl early in the evening.
* Transport Winds.......Southeast 25 to 30 mph.
* CWR...................60 percent.
.TUESDAY...
* Sky/Weather...........Partly sunny. Slight chance of
thunderstorms in the morning. Chance of showers through the day.
Chance of thunderstorms in the afternoon.
* Chance Lightning.......50 percent.
* Max Temperature.......73-78...65-70 higher elevations.
24 hr trend......12 degrees down.
* Min Humidity..........48-58 percent.
24 hr trend......11 percent up.
* Wind (20 FT).
Lower Elevations...West winds 10 to 15 mph.
Ridges.............West winds 10 to 15 mph.
* Mixing Height.........1000-2500 ft agl increasing to 7500-8000 ft
agl.
* Transport Winds.......West 25 to 30 mph.
* CWR...................20 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 around 80. West winds
10 to 15 mph.
.FRIDAY...Not as warm. 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 around 50. Highs in the upper 60s.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows around 50. Highs in the mid 70s.
$$
MTZ114-041045-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-
207 PM MDT Sun Aug 3 2025
.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......49-56.
24 hr trend......Unchanged.
* Max Humidity..........69-79 percent...60-68 percent higher
elevations.
24 hr trend......12 percent down...23 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Northwest winds 5 to 10 mph.
Ridges.............West winds 10 to 15 mph shifting to the
south after midnight.
* Mixing Height.........8500-10000 ft agl decreasing to 1000 ft
agl.
* Transport Winds.......Northwest 15 to 20 mph shifting to the
south after midnight.
* CWR...................0 percent.
.MONDAY...
* Sky/Weather...........Partly sunny. Chance of showers and
thunderstorms in the afternoon.
* Chance Lightning.......50 percent.
* Max Temperature.......76-84...64-74 higher elevations.
24 hr trend......4 degrees down...3 degrees up higher
elevations.
* Min Humidity..........34-44 percent.
24 hr trend......7 percent up.
* Wind (20 FT).
Lower Elevations...Southwest winds around 5 mph shifting to
the east in the afternoon.
Ridges.............Southwest winds 5 to 10 mph.
* Mixing Height.........1000-1500 ft agl increasing to 3000-4500 ft
agl late in the morning, then increasing to 6000-7500 ft agl in
the afternoon decreasing to 4500 ft agl late in the afternoon.
* Transport Winds.......Southwest 10 to 15 mph.
* CWR...................20 percent.
.MONDAY NIGHT...
* Sky/Weather...........Mostly cloudy. Showers and chance of
thunderstorms in the evening, then chance of showers and slight
chance of thunderstorms after midnight.
* Chance Lightning.......50 percent.
* Min Temperature.......50-55...44-50 higher elevations.
24 hr trend......2 degrees down.
* Max Humidity..........84-94 percent.
24 hr trend......23 percent up.
* Wind (20 FT).
Lower Elevations...West winds 10 to 15 mph.
Ridges.............West winds 10 to 15 mph.
* Mixing Height.........2500-3500 ft agl decreasing to 1000-1500 ft
agl early in the evening.
* Transport Winds.......West around 30 mph decreasing to 20 to 25
mph after midnight.
* CWR...................40 percent.
.TUESDAY...
* Sky/Weather...........Mostly sunny. Slight chance of showers
through the day. Slight chance of thunderstorms in the afternoon.
* Chance Lightning.......20 percent.
* Max Temperature.......71-79...59-69 higher elevations.
24 hr trend......3 degrees down.
* Min Humidity..........31-39 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 10000-10500
ft agl.
* Transport Winds.......West around 30 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. Chance of showers and slight chance of
thunderstorms. Lows in the lower 50s. Highs in the lower 70s.
West winds 15 to 20 mph.
.FRIDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 40s. Highs in the mid 60s. West
winds 15 to 20 mph.
.SATURDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 40s. Highs in the mid 60s.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
$$
MTZ115-041045-
Chouteau and Fergus Counties-
207 PM MDT Sun Aug 3 2025
.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......55-61.
24 hr trend......2 degrees up.
* Max Humidity..........72-82 percent...61-70 percent higher
elevations.
24 hr trend......18 percent down...24 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...North winds 10 to 15 mph shifting to the
south after midnight.
Ridges.............North winds 10 to 15 mph shifting to the
southeast after midnight.
* Mixing Height.........8500 ft agl decreasing to 500-2000 ft agl.
* Transport Winds.......North 20 to 25 mph becoming southeast 10 to
15 mph after midnight.
* CWR...................0 percent.
.MONDAY...
* Sky/Weather...........Mostly sunny. Chance of showers and
thunderstorms in the afternoon.
* Chance Lightning.......40 percent.
* Max Temperature.......84-89...75-81 higher elevations.
24 hr trend......2 degrees up.
* Min Humidity..........32-38 percent.
24 hr trend......2 percent up.
* Wind (20 FT).
Lower Elevations...East winds 10 to 15 mph.
Ridges.............East winds 10 to 15 mph.
* Mixing Height.........500-1500 ft agl increasing to 2500-4000 ft
agl late in the morning, then increasing to 5000 ft agl early in
the afternoon increasing to 7000-8000 ft agl early in the
afternoon increasing to 8500-9000 ft agl decreasing to 6500 ft
agl late in the afternoon.
* Transport Winds.......Southeast 15 to 20 mph increasing to around
25 mph in the afternoon.
* CWR...................10 percent.
.MONDAY NIGHT...
* Sky/Weather...........Mostly cloudy. Showers and chance of
thunderstorms in the evening, then showers likely and slight
chance of thunderstorms after midnight.
* Chance Lightning.......50 percent.
* Min Temperature.......53-59.
24 hr trend......3 degrees down.
* Max Humidity..........84-94 percent.
24 hr trend......16 percent up.
* Wind (20 FT).
Lower Elevations...Southeast winds 10 to 15 mph shifting to
the west after midnight.
Ridges.............Southeast winds 10 to 15 mph shifting to
the southwest after midnight.
* Mixing Height.........3000-4500 ft agl decreasing to 1000 ft agl
early in the evening.
* Transport Winds.......East around 35 mph becoming west 15 to 20
mph after midnight.
* CWR...................50 percent.
.TUESDAY...
* Sky/Weather...........Mostly sunny. Chance of showers in the
morning, then slight chance of showers and thunderstorms in the
afternoon.
* Chance Lightning.......20 percent.
* Max Temperature.......75-80...67-74 higher elevations.
24 hr trend......9 degrees down.
* Min Humidity..........35-44 percent.
24 hr trend......4 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 8000-9500 ft
agl.
* Transport Winds.......West around 30 mph.
* CWR...................10 percent.
.FORECAST DAYS 3 THROUGH 7......
.WEDNESDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
80s. West winds 10 to 15 mph.
.THURSDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs around 80. West winds
10 to 15 mph.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the mid 50s. Highs in the lower 70s. West winds 10 to
15 mph.
.SATURDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 50s. Highs around 70.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the mid 70s.
$$
MTZ116-118-041045-
Lincoln Ranger District of the Helena National Forest-
Helena and Townsend Ranger Districts of the Helena National
Forest-
207 PM MDT Sun Aug 3 2025
.TONIGHT...
* Sky/Weather...........Partly cloudy. Slight chance of showers in
the evening.
* Chance Lightning.......0 percent.
* Min Temperature.......50-57.
24 hr trend......2 degrees up.
* Max Humidity..........57-67 percent.
24 hr trend......14 percent down...20 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...North winds 10 to 15 mph shifting to the
south after midnight.
Ridges.............Northwest winds 10 to 15 mph shifting to
the southeast after midnight.
* Mixing Height.........9500-11000 ft agl decreasing to 1000 ft
agl.
* Transport Winds.......Northwest 15 to 20 mph shifting to the east
after midnight.
* CWR...................0 percent.
.MONDAY...
* Sky/Weather...........Mostly sunny then becoming mostly cloudy.
Chance of showers and thunderstorms in the afternoon.
* Chance Lightning.......40 percent.
* Max Temperature.......78-86...69-78 higher elevations.
24 hr trend......3 degrees up.
* Min Humidity..........25-35 percent.
24 hr trend......4 percent up...11 percent up higher elevations.
* Wind (20 FT).
Lower Elevations...Southeast winds around 5 mph shifting to
the north in the afternoon.
Ridges.............South winds 10 to 15 mph shifting to the
southwest 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 8500-10000 ft agl early in
the afternoon decreasing to 7500 ft agl decreasing to 5500 ft agl
late in the afternoon.
* Transport Winds.......South 10 to 15 mph increasing to southwest
20 to 25 mph in the afternoon.
* CWR...................10 percent.
.MONDAY NIGHT...
* Sky/Weather...........Mostly cloudy then becoming partly 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......3 degrees down.
* Max Humidity..........80-90 percent.
24 hr trend......24 percent up.
* 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...................20 percent.
.TUESDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......72-81...62-72 higher elevations.
24 hr trend......4 degrees down.
* Min Humidity..........25-35 percent.
24 hr trend......7 percent down.
* 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 9000-10500
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. Slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the mid 70s. West
winds 10 to 15 mph.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows around 50. 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 upper 40s. Highs in the upper 60s.
.SUNDAY...Partly cloudy. Lows in the upper 40s. Highs in the
lower 70s.
$$
MTZ117-041045-
Central and Eastern Lewis and Clark National Forest Areas-
207 PM MDT Sun Aug 3 2025
.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Chance Lightning.......0 percent.
* Min Temperature.......50-57.
24 hr trend......Unchanged...5 degrees up higher elevations.
* Max Humidity..........62-72 percent.
24 hr trend......22 percent down.
* Wind (20 FT).
Lower Elevations...North winds 10 to 15 mph shifting to the
southeast after midnight.
Ridges.............North winds 10 to 15 mph shifting to the
southeast after midnight.
* Mixing Height.........8000-9500 ft agl decreasing to 1000-2000 ft
agl early in the evening.
* Transport Winds.......North 15 to 20 mph shifting to the
southeast after midnight.
* CWR...................0 percent.
.MONDAY...
* Sky/Weather...........Mostly sunny. Chance of showers and
thunderstorms in the afternoon.
* Chance Lightning.......40 percent.
* Max Temperature.......79-86...70-79 higher elevations.
24 hr trend......3 degrees up.
* Min Humidity..........29-38 percent.
24 hr trend......7 percent up...13 percent up higher elevations.
* Wind (20 FT).
Lower Elevations...South winds 10 to 15 mph shifting to the
east in the afternoon.
Ridges.............Southeast winds 10 to 15 mph.
* Mixing Height.........1000-1500 ft agl increasing to 3000-4500 ft
agl late in the morning, then increasing to 6500-8000 ft agl
early in the afternoon increasing to 9000 ft agl early in the
afternoon decreasing to 7000 ft agl decreasing to 4500 ft agl
late in the afternoon.
* Transport Winds.......Southeast 15 to 20 mph.
* CWR...................10 percent.
.MONDAY NIGHT...
* Sky/Weather...........Mostly cloudy. Showers and chance of
thunderstorms in the evening, then chance of showers and slight
chance of thunderstorms after midnight.
* Chance Lightning.......50 percent.
* Min Temperature.......46-54.
24 hr trend......Unchanged...8 degrees down higher elevations.
* Max Humidity..........81-91 percent.
24 hr trend......26 percent up.
* Wind (20 FT).
Lower Elevations...West winds 10 to 15 mph.
Ridges.............West winds 10 to 15 mph.
* Mixing Height.........1500-3000 ft agl decreasing to 500-1000 ft
agl in the late evening and overnight.
* Transport Winds.......West around 35 mph decreasing to 20 to 25
mph after midnight.
* CWR...................30 percent.
.TUESDAY...
* Sky/Weather...........Mostly sunny. Slight chance of showers
through the day. Slight chance of thunderstorms in the afternoon.
* Chance Lightning.......20 percent.
* Max Temperature.......73-80...63-73 higher elevations.
24 hr trend......6 degrees down.
* Min Humidity..........30-39 percent.
24 hr trend......1 percent down.
* 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 10500 ft
agl.
* Transport Winds.......West around 30 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 mid 70s. West
winds 15 to 20 mph.
.FRIDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows around 50. 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 upper 40s. Highs in the mid 60s.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
$$
weather.gov/greatfalls