Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
280
FNUS55 KTFX 171045
FWFTFX
Fire Weather Planning Forecast for North-Central Montana
National Weather Service Great Falls MT
445 AM MDT Sat May 17 2025
.DISCUSSION...
A few lingering light showers early this morning in association
with a subtle disturbance in moist westerly flow will exit to the
east with mainly dry and seasonable conditions through early this
afternoon. Scattered showers and isolated thunderstorms develop
this evening with widespread rain and some higher elevation snow
developing tonight. Periods of rain and higher elevation snow
linger Sunday into Monday across the area.
MTZ112-172215-
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
445 AM MDT Sat May 17 2025
.TODAY...
* Sky/Weather...........Mostly sunny.
* Max Temperature.......60-66...52-58 higher elevations.
24 hr trend......4 degrees up.
* Min Humidity..........31-36 percent...37-46 percent higher
elevations.
24 hr trend......8 percent down...2 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Southwest winds 10 to 15 mph shifting to
the south in the afternoon.
Ridges.............Southwest winds 15 to 20 mph becoming south
around 5 mph in the afternoon.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Rain likely after midnight.
* Min Temperature.......40-45.
24 hr trend......5 degrees up.
* Max Humidity..........85-94 percent.
24 hr trend......7 percent up.
* Wind (20 FT).
Lower Elevations...East winds 15 to 20 mph.
Ridges.............East winds 15 to 20 mph.
* CWR...................20 percent.
.SUNDAY...
* Sky/Weather...........Cloudy. Rain.
* Max Temperature.......48-53...40-46 higher elevations.
24 hr trend......13 degrees down.
* Min Humidity..........72-82 percent.
24 hr trend......43 percent up...34 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...Northeast winds 20 to 25 mph.
Ridges.............Northeast winds 15 to 20 mph.
* CWR...................90 percent.
.FORECAST DAYS 3 THROUGH 7......
.MONDAY...Mostly cloudy. Rain likely. Lows in the upper 30s.
Highs in the upper 50s. West winds 20 to 25 mph.
.TUESDAY...Windy. Partly cloudy. Slight chance of showers. Lows
in the upper 30s. Highs around 60. West winds around 25 mph.
.WEDNESDAY...Windy. Mostly clear. Slight chance of showers. Lows
in the upper 30s. Highs in the lower 60s. West winds around
25 mph.
.THURSDAY...Mostly cloudy. Chance of showers. Lows in the upper
30s. Highs in the upper 50s.
.FRIDAY...Partly cloudy. Slight chance of showers. Lows in the
upper 30s. Highs in the lower 60s.
$$
MTZ113-172215-
Hill and Blaine Counties-
445 AM MDT Sat May 17 2025
.TODAY...
* Sky/Weather...........Partly sunny. Slight chance of showers in
the morning, then chance of showers and slight chance of
thunderstorms in the afternoon.
* Max Temperature.......62-67.
24 hr trend......5 degrees up.
* Min Humidity..........37-47 percent.
24 hr trend......12 percent down...5 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Southeast winds 15 to 20 mph.
Ridges.............Southeast winds 10 to 15 mph.
* CWR...................10 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Slight chance of showers in
the evening. Chance of showers and slight chance of thunderstorms
after midnight.
* Min Temperature.......40-46.
24 hr trend......2 degrees up.
* Max Humidity..........80-89 percent.
24 hr trend......4 percent down.
* Wind (20 FT).
Lower Elevations...East winds 20 to 25 mph.
Ridges.............East winds 20 to 25 mph.
* CWR...................10 percent.
.SUNDAY...
* Sky/Weather...........Mostly cloudy. Rain likely in the morning,
then rain in the afternoon.
* Max Temperature.......51-56.
24 hr trend......13 degrees down.
* Min Humidity..........71-81 percent.
24 hr trend......45 percent up...39 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...Windy. East winds around 25 mph.
Ridges.............East winds 15 to 25 mph.
* CWR...................50 percent.
.FORECAST DAYS 3 THROUGH 7......
.MONDAY...Rain. Lows in the lower 40s. Highs in the mid 50s. East
winds 20 to 25 mph.
.TUESDAY...Mostly cloudy. Chance of showers. Lows around 40.
Highs in the mid 60s. South winds 15 to 20 mph.
.WEDNESDAY...Partly cloudy. Chance of showers. Lows in the upper
30s. Highs in the mid 60s. West winds 15 to 20 mph.
.THURSDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 40s. Highs in the lower 60s.
.FRIDAY...Partly cloudy. Chance of showers. Lows in the lower
40s. Highs in the mid 60s.
$$
MTZ114-172215-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-
445 AM MDT Sat May 17 2025
.TODAY...
* Sky/Weather...........Mostly sunny. Slight chance of showers in
the afternoon.
* Max Temperature.......60-66...48-58 higher elevations.
24 hr trend......6 degrees up.
* Min Humidity..........31-39 percent...41-51 percent higher
elevations.
24 hr trend......6 percent down.
* Wind (20 FT).
Lower Elevations...Southwest winds 10 to 15 mph shifting to
the southeast in the afternoon.
Ridges.............Southwest winds 15 to 20 mph becoming south
around 5 mph in the afternoon.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Slight chance of showers in
the evening, then rain after midnight.
* Min Temperature.......41-46...33-40 higher elevations.
24 hr trend......8 degrees up.
* Max Humidity..........85-95 percent.
24 hr trend......9 percent up.
* Wind (20 FT).
Lower Elevations...Northeast winds 10 to 15 mph.
Ridges.............Northeast winds 10 to 15 mph.
* CWR...................50 percent.
.SUNDAY...
* Sky/Weather...........Cloudy. Rain and snow.
* Max Temperature.......47-54...35-44 higher elevations.
24 hr trend......13 degrees down.
* Min Humidity..........61-71 percent...74-84 percent higher
elevations.
24 hr trend......35 percent up.
* Wind (20 FT).
Lower Elevations...North winds 15 to 20 mph shifting to the
northwest in the afternoon.
Ridges.............Northwest winds 15 to 20 mph.
* CWR...................80 percent.
.FORECAST DAYS 3 THROUGH 7......
.MONDAY...Windy. Mostly cloudy. Rain and snow likely. Lows in the
mid 30s. Highs in the mid 50s. West winds around 25 mph.
.TUESDAY...Windy. Partly cloudy. Chance of showers, snow showers
and slight chance of thunderstorms. Lows in the upper 30s. Highs
in the mid 50s. West winds around 25 mph.
.WEDNESDAY...Windy. Partly cloudy. Slight chance of showers. Lows
in the mid 30s. Highs in the upper 50s. West winds around 25 mph.
.THURSDAY...Mostly cloudy. Chance of rain and snow showers. Lows
in the upper 30s. Highs in the mid 50s.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 30s. Highs in the lower 60s.
$$
MTZ115-172215-
Chouteau and Fergus Counties-
445 AM MDT Sat May 17 2025
.TODAY...
* Sky/Weather...........Mostly sunny. Chance of showers and slight
chance of thunderstorms in the afternoon.
* Max Temperature.......62-67...54-60 higher elevations.
24 hr trend......7 degrees up.
* Min Humidity..........37-47 percent...46-56 percent higher
elevations.
24 hr trend......4 percent down.
* Wind (20 FT).
Lower Elevations...Southwest winds 10 to 15 mph shifting to
the southeast in the afternoon.
Ridges.............Southwest winds 10 to 15 mph shifting to
the southeast in the afternoon.
* CWR...................10 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Slight chance of showers in
the evening. Slight chance of thunderstorms through the night.
Rain likely after midnight.
* Min Temperature.......43-48.
24 hr trend......6 degrees up.
* Max Humidity..........81-91 percent.
24 hr trend......3 percent down...3 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...East winds 15 to 20 mph.
Ridges.............East winds 15 to 20 mph.
* CWR...................10 percent.
.SUNDAY...
* Sky/Weather...........Cloudy. Rain through the day. Slight chance
of thunderstorms in the afternoon.
* Max Temperature.......54-59...46-54 higher elevations.
24 hr trend......11 degrees down...5 degrees down higher
elevations.
* Min Humidity..........72-82 percent.
24 hr trend......39 percent up...30 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...East winds 15 to 20 mph.
Ridges.............East winds 15 to 20 mph.
* CWR...................60 percent.
.FORECAST DAYS 3 THROUGH 7......
.MONDAY...Rain. Lows in the lower 40s. Highs in the mid 50s.
Northwest winds 20 to 25 mph.
.TUESDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows around 40. Highs in the lower 60s. Southwest
winds 15 to 20 mph.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows around 40. Highs in the mid 60s. West winds
15 to 20 mph.
.THURSDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 40s. Highs in the lower 60s.
.FRIDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 40s. Highs in the mid 60s.
$$
MTZ116-172215-
Lincoln Ranger District of the Helena National Forest-
445 AM MDT Sat May 17 2025
.TODAY...
* Sky/Weather...........Partly sunny. Slight chance of showers in
the afternoon.
* Max Temperature.......57-64...49-59 higher elevations.
24 hr trend......7 degrees up.
* Min Humidity..........41-51 percent.
24 hr trend......6 percent down...5 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...Southwest winds around 5 mph shifting to
the east in the afternoon.
Ridges.............Southwest winds 10 to 15 mph shifting to
the southeast in the afternoon.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Chance of showers and slight
chance of thunderstorms in the evening, then rain after midnight.
* Min Temperature.......33-39.
24 hr trend......2 degrees up.
* Max Humidity..........89-99 percent.
24 hr trend......3 percent up...11 percent up higher elevations.
* Wind (20 FT).
Lower Elevations...Northeast winds 10 to 15 mph.
Ridges.............Northeast winds 15 to 20 mph shifting to
the southeast after midnight.
* CWR...................70 percent.
.SUNDAY...
* Sky/Weather...........Cloudy. Rain and snow.
* Max Temperature.......43-49...36-44 higher elevations.
24 hr trend......16 degrees down.
* Min Humidity..........63-73 percent...73-83 percent higher
elevations.
24 hr trend......31 percent up...38 percent up higher
elevations.
* Wind (20 FT).
Lower Elevations...West winds 15 to 20 mph.
Ridges.............West winds 15 to 20 mph.
* CWR...................70 percent.
.FORECAST DAYS 3 THROUGH 7......
.MONDAY...Windy. Mostly cloudy. Chance of snow showers and
showers. Lows in the lower 30s. Highs in the upper 40s. West
winds around 25 mph.
.TUESDAY...Partly cloudy. Chance of showers, slight chance of
thunderstorms and snow showers. Lows in the mid 30s. Highs around
50. West winds 20 to 25 mph.
.WEDNESDAY...Windy. Partly cloudy. Slight chance of rain and snow
showers. Lows in the lower 30s. Highs in the mid 50s. West winds
around 25 mph.
.THURSDAY...Mostly cloudy. Chance of rain and snow showers. Lows
in the upper 30s. Highs in the lower 50s.
.FRIDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the mid 30s. Highs in the upper 50s.
$$
MTZ117-172215-
Central and Eastern Lewis and Clark National Forest Areas-
445 AM MDT Sat May 17 2025
.TODAY...
* Sky/Weather...........Partly sunny. Chance of showers and slight
chance of thunderstorms in the afternoon.
* Max Temperature.......58-67...50-58 higher elevations.
24 hr trend......7 degrees up.
* Min Humidity..........40-50 percent.
24 hr trend......2 percent up...4 percent down higher
elevations.
* Wind (20 FT).
Lower Elevations...Southwest winds 10 to 15 mph shifting to
the southeast in the afternoon.
Ridges.............South winds 10 to 15 mph.
* CWR...................10 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Chance of showers in the
evening. Slight chance of thunderstorms through the night. Rain
likely after midnight.
* Min Temperature.......39-47.
24 hr trend......5 degrees up.
* Max Humidity..........83-93 percent.
24 hr trend......6 percent up.
* Wind (20 FT).
Lower Elevations...East winds 15 to 20 mph.
Ridges.............East winds 15 to 20 mph.
* CWR...................30 percent.
.SUNDAY...
* Sky/Weather...........Cloudy. Rain through the day. Slight chance
of thunderstorms in the afternoon.
* Max Temperature.......47-55...41-51 higher elevations.
24 hr trend......5 degrees down...11 degrees down higher
elevations.
* Min Humidity..........67-77 percent...76-86 percent higher
elevations.
24 hr trend......26 percent up.
* Wind (20 FT).
Lower Elevations...East winds 15 to 20 mph shifting to the
northwest in the afternoon.
Ridges.............South winds 15 to 20 mph shifting to the
northwest in the afternoon.
* CWR...................70 percent.
.FORECAST DAYS 3 THROUGH 7......
.MONDAY...Windy. Mostly cloudy with rain likely and snow. Lows in
the mid 30s. Highs in the lower 50s. West winds around 25 mph.
.TUESDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the mid 30s. Highs in the upper 50s. West
winds 20 to 25 mph.
.WEDNESDAY...Partly cloudy. Chance of showers and slight chance
of thunderstorms. Lows in the mid 30s. Highs around 60. West
winds 20 to 25 mph.
.THURSDAY...Mostly cloudy. Showers likely and slight chance of
thunderstorms. Lows in the upper 30s. Highs in the upper 50s.
.FRIDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 30s. Highs around 60.
$$
MTZ118-172215-
Helena and Townsend Ranger Districts of the Helena National
Forest-
445 AM MDT Sat May 17 2025
.TODAY...
* Sky/Weather...........Mostly sunny. Slight chance of showers in
the afternoon.
* Max Temperature.......59-66...50-59 higher elevations.
24 hr trend......7 degrees up.
* Min Humidity..........37-47 percent.
24 hr trend......3 percent down.
* Wind (20 FT).
Lower Elevations...Southeast winds 10 to 15 mph.
Ridges.............Southeast winds 10 to 15 mph.
* CWR...................0 percent.
.TONIGHT...
* Sky/Weather...........Mostly cloudy. Chance of showers in the
evening. Slight chance of thunderstorms through the night. Rain
likely after midnight.
* Min Temperature.......41-46...34-42 higher elevations.
24 hr trend......5 degrees up.
* Max Humidity..........83-93 percent.
24 hr trend......1 percent up.
* Wind (20 FT).
Lower Elevations...Southeast winds 10 to 15 mph.
Ridges.............East winds 15 to 20 mph shifting to the
southeast after midnight.
* CWR...................40 percent.
.SUNDAY...
* Sky/Weather...........Cloudy. Rain through the day. Slight chance
of thunderstorms in the afternoon.
* Max Temperature.......46-53...39-46 higher elevations.
24 hr trend......13 degrees down.
* Min Humidity..........61-71 percent...70-80 percent higher
elevations.
24 hr trend......30 percent up.
* Wind (20 FT).
Lower Elevations...West winds 15 to 20 mph.
Ridges.............West winds 15 to 20 mph.
* CWR...................70 percent.
.FORECAST DAYS 3 THROUGH 7......
.MONDAY...Mostly cloudy. Rain and snow likely. Lows in the mid
30s. Highs in the mid 50s. West winds 20 to 25 mph.
.TUESDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 30s. Highs in the upper 50s.
West winds 15 to 20 mph.
.WEDNESDAY...Partly cloudy. Chance of showers and slight chance
of thunderstorms. Lows in the upper 30s. Highs in the lower 60s.
West winds 15 to 20 mph.
.THURSDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 40s. Highs around 60.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 30s. Highs in the lower 60s.
$$
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