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

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3
360
FNUS55 KTFX 151017
FWFTFX

Fire Weather Planning Forecast for North-Central Montana
National Weather Service Great Falls MT
417 AM MDT Sun Jun 15 2025

.DISCUSSION...

Periods of scattered showers and thunderstorms will continue for
the next couple of days. The strongest storms move in this
afternoon and evening and will be capable of localized strong,
gusty winds, large hail, and brief heavy downpours in addition to
lightning. Areas along and southeast of a Helena to Havre line
will be most susceptible to severe weather conditions. Drier and
slightly warmer conditions are expected for the mid- week period
before turning cooler and unsettled heading into next weekend.


MTZ112-152215-
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
417 AM MDT Sun Jun 15 2025

.TODAY...
* Sky/Weather...........Mostly sunny. Slight chance of showers in
  the afternoon.
* Max Temperature.......73-80...65-71 higher elevations.
   24 hr trend......4 degrees up.
* Min Humidity..........24-34 percent.
   24 hr trend......2 percent down.
* Wind (20 FT).
     Lower Elevations...Northwest winds 10 to 15 mph.
     Ridges.............Northwest winds 10 to 15 mph.
* CWR...................0 percent.

.TONIGHT...
* Sky/Weather...........Partly cloudy.
* Min Temperature.......43-48.
   24 hr trend......3 degrees down.
* Max Humidity..........69-79 percent...60-70 percent higher
  elevations.
   24 hr trend......3 percent up...4 percent down higher
elevations.
* Wind (20 FT).
     Lower Elevations...Northwest winds 10 to 15 mph.
     Ridges.............Northwest winds 15 to 20 mph shifting to
the north after midnight.
* CWR...................0 percent.

.MONDAY...
* Sky/Weather...........Mostly sunny. Slight chance of showers in
  the afternoon.
* Max Temperature.......74-79...67-72 higher elevations.
   24 hr trend......2 degrees down...3 degrees up higher
elevations.
* Min Humidity..........24-33 percent.
   24 hr trend......1 percent down.
* Wind (20 FT).
     Lower Elevations...North winds 10 to 15 mph shifting to the
east in the afternoon.
     Ridges.............North winds 5 to 10 mph.
* CWR...................0 percent.


.FORECAST DAYS 3 THROUGH 7......
.TUESDAY...Partly cloudy. Slight chance of showers. Lows around
50. Highs in the upper 70s. Southwest winds 15 to 20 mph.
.WEDNESDAY...Mostly clear. Slight chance of showers. Lows in the
upper 40s. Highs in the upper 70s. West winds 20 to 25 mph.
.JUNETEENTH...Partly cloudy. Lows in the upper 40s. Highs in the
upper 70s. West winds 20 to 25 mph.
.FRIDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows around 50. Highs in the lower 70s.
.SATURDAY...Cooler. Mostly cloudy with showers likely. Lows in
the mid 40s. Highs in the lower 60s.

$$

MTZ113-152215-
Hill and Blaine Counties-
417 AM MDT Sun Jun 15 2025

.TODAY...
* Sky/Weather...........Partly sunny. Patchy fog in the morning.
  Slight chance of showers in the morning. Chance of showers and
  thunderstorms in the afternoon.
* Max Temperature.......77-82...70-75 higher elevations.
   24 hr trend......3 degrees up.
* Min Humidity..........39-49 percent...49-59 percent higher
  elevations.
   24 hr trend......15 percent up...6 percent up higher elevations.
* Wind (20 FT).
     Lower Elevations...Southwest winds 5 to 10 mph.
     Ridges.............Southwest winds around 5 mph shifting to
the southeast in the afternoon.
* CWR...................10 percent.

.TONIGHT...
* Sky/Weather...........Mostly cloudy then becoming partly cloudy.
  Chance of showers and thunderstorms in the evening.
* Min Temperature.......48-54.
   24 hr trend......5 degrees down.
* Max Humidity..........86-96 percent.
   24 hr trend......Unchanged.
* Wind (20 FT).
     Lower Elevations...South winds 10 to 15 mph shifting to the
west after midnight.
     Ridges.............South winds around 5 mph shifting to the
southwest after midnight.
* CWR...................10 percent.

.MONDAY...
* Sky/Weather...........Mostly sunny. Slight chance of showers in
  the afternoon.
* Max Temperature.......76-81...69-74 higher elevations.
   24 hr trend......1 degree down.
* Min Humidity..........30-40 percent.
   24 hr trend......12 percent down.
* Wind (20 FT).
     Lower Elevations...Northwest winds 5 to 10 mph.
     Ridges.............Northwest winds 5 to 10 mph.
* CWR...................0 percent.


.FORECAST DAYS 3 THROUGH 7......
.TUESDAY...Mostly cloudy. Chance of showers. Lows in the lower
50s. Highs in the upper 70s. Southwest winds 10 to 15 mph.
.WEDNESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
Southwest winds 10 to 15 mph.
.JUNETEENTH...Partly cloudy. Slight chance of showers. Lows in
the lower 50s. Highs in the lower 80s. West winds 10 to 15 mph.
.FRIDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
.SATURDAY...Cooler. Mostly cloudy. Showers likely. Lows around
50. Highs in the upper 60s.

$$

MTZ114-152215-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-
417 AM MDT Sun Jun 15 2025

.TODAY...
* Sky/Weather...........Mostly sunny. Chance of showers and slight
  chance of thunderstorms in the afternoon.
* Max Temperature.......74-81...61-71 higher elevations.
   24 hr trend......3 degrees up.
* Min Humidity..........30-36 percent.
   24 hr trend......3 percent down.
* Wind (20 FT).
     Lower Elevations...North winds 10 to 15 mph.
     Ridges.............Southwest winds 10 to 15 mph shifting to
the west in the afternoon.
* CWR...................10 percent.

.TONIGHT...
* Sky/Weather...........Partly cloudy. Slight chance of showers and
  thunderstorms in the evening.
* Min Temperature.......43-52.
   24 hr trend......3 degrees down.
* Max Humidity..........60-70 percent.
   24 hr trend......9 percent down...15 percent down higher
elevations.
* Wind (20 FT).
     Lower Elevations...West winds 5 to 15 mph.
     Ridges.............West winds 5 to 15 mph.
* CWR...................0 percent.

.MONDAY...
* Sky/Weather...........Mostly sunny. Slight chance of showers in
  the afternoon.
* Max Temperature.......73-79...60-70 higher elevations.
   24 hr trend......3 degrees down.
* Min Humidity..........27-35 percent.
   24 hr trend......2 percent down.
* Wind (20 FT).
     Lower Elevations...North winds around 5 mph shifting to the
east in the afternoon.
     Ridges.............South winds 10 to 15 mph.
* CWR...................10 percent.


.FORECAST DAYS 3 THROUGH 7......
.TUESDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 70s. West
winds 15 to 20 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 40s. Highs in the
mid 70s. West winds 20 to 25 mph.
.JUNETEENTH...Partly cloudy. Lows in the upper 40s. Highs in the
upper 70s. West winds 20 to 25 mph.
.FRIDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 40s. Highs around 70.
.SATURDAY...Cooler. Mostly cloudy with showers likely and slight
chance of thunderstorms. Lows in the mid 40s. Highs around 60.

$$

MTZ115-152215-
Chouteau and Fergus Counties-
417 AM MDT Sun Jun 15 2025

.TODAY...
* Sky/Weather...........Partly sunny. Patchy fog in the morning.
  Slight chance of showers in the morning. Chance of showers and
  thunderstorms in the afternoon.
* Max Temperature.......76-82...68-74 higher elevations.
   24 hr trend......3 degrees up.
* Min Humidity..........42-52 percent...59-69 percent higher
  elevations.
   24 hr trend......3 percent up.
* Wind (20 FT).
     Lower Elevations...Southwest winds around 5 mph shifting to
the northeast in the afternoon.
     Ridges.............South winds around 5 mph shifting to the
east in the afternoon.
* CWR...................20 percent.

.TONIGHT...
* Sky/Weather...........Mostly cloudy then becoming partly cloudy.
  Chance of showers and thunderstorms in the evening.
* Min Temperature.......48-54.
   24 hr trend......5 degrees down.
* Max Humidity..........83-93 percent.
   24 hr trend......4 percent down.
* Wind (20 FT).
     Lower Elevations...Southwest winds 10 to 15 mph.
     Ridges.............Southwest winds 10 to 15 mph.
* CWR...................30 percent.

.MONDAY...
* Sky/Weather...........Mostly sunny. Chance of showers in the
  afternoon.
* Max Temperature.......73-80...65-71 higher elevations.
   24 hr trend......2 degrees down.
* Min Humidity..........34-44 percent...43-52 percent higher
  elevations.
   24 hr trend......13 percent down.
* Wind (20 FT).
     Lower Elevations...Northwest winds 10 to 15 mph shifting to
the north in the afternoon.
     Ridges.............West winds 10 to 15 mph shifting to the
north in the afternoon.
* CWR...................10 percent.


.FORECAST DAYS 3 THROUGH 7......
.TUESDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
Southwest winds 10 to 15 mph.
.WEDNESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs around 80. Southwest
winds 15 to 20 mph.
.JUNETEENTH...Partly cloudy. Lows in the lower 50s. Highs in the
lower 80s. West winds 10 to 15 mph.
.FRIDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the mid 50s. Highs in the upper 70s.
.SATURDAY...Cooler. Mostly cloudy. Chance of showers and slight
chance of thunderstorms. Lows around 50. Highs in the upper 60s.

$$

MTZ116-152215-
Lincoln Ranger District of the Helena National Forest-
417 AM MDT Sun Jun 15 2025

.TODAY...
* Sky/Weather...........Mostly sunny. Chance of showers and
  thunderstorms in the afternoon.
* Max Temperature.......73-80...64-73 higher elevations.
   24 hr trend......2 degrees up.
* Min Humidity..........29-39 percent.
   24 hr trend......5 percent down.
* Wind (20 FT).
     Lower Elevations...West winds around 5 mph.
     Ridges.............West winds 5 to 10 mph.
* CWR...................10 percent.

.TONIGHT...
* Sky/Weather...........Mostly cloudy then becoming partly cloudy.
  Slight chance of showers and thunderstorms in the evening.
* Min Temperature.......45-51.
   24 hr trend......3 degrees up.
* Max Humidity..........66-76 percent.
   24 hr trend......1 percent down...5 percent up higher
elevations.
* Wind (20 FT).
     Lower Elevations...North winds 5 to 10 mph.
     Ridges.............North winds 5 to 10 mph.
* CWR...................0 percent.

.MONDAY...
* Sky/Weather...........Partly sunny. Chance of showers in the
  afternoon.
* Max Temperature.......70-77...62-70 higher elevations.
   24 hr trend......2 degrees down.
* Min Humidity..........35-45 percent.
   24 hr trend......3 percent up.
* Wind (20 FT).
     Lower Elevations...East winds around 5 mph shifting to the
south in the afternoon.
     Ridges.............East winds around 5 mph shifting to the
west in the afternoon.
* CWR...................10 percent.


.FORECAST DAYS 3 THROUGH 7......
.TUESDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the mid 40s. Highs in the upper 60s. West
winds 15 to 20 mph.
.WEDNESDAY...Mostly clear. Lows in the mid 40s. Highs in the
lower 70s. West winds 15 to 20 mph.
.JUNETEENTH...Mostly clear. Lows in the upper 40s. Highs in the
mid 70s. West winds 15 to 20 mph.
.FRIDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 40s. Highs in the mid 60s.
.SATURDAY...Cooler. Mostly cloudy. Chance of showers and slight
chance of thunderstorms. Lows in the lower 40s. Highs in the mid
50s.

$$

MTZ117-152215-
Central and Eastern Lewis and Clark National Forest Areas-
417 AM MDT Sun Jun 15 2025

.TODAY...
* Sky/Weather...........Partly sunny. Patchy fog in the morning.
  Chance of showers and thunderstorms in the afternoon.
* Max Temperature.......74-82...65-74 higher elevations.
   24 hr trend......1 degree up.
* Min Humidity..........42-52 percent.
   24 hr trend......1 percent up...6 percent up higher elevations.
* Wind (20 FT).
     Lower Elevations...Northwest winds around 5 mph shifting to
the northeast in the afternoon.
     Ridges.............Southwest winds around 5 mph shifting to
the southeast in the afternoon.
* CWR...................20 percent.

.TONIGHT...
* Sky/Weather...........Mostly cloudy then becoming partly cloudy.
  Chance of showers and slight chance of thunderstorms in the
  evening.
* Min Temperature.......45-51.
   24 hr trend......5 degrees down.
* Max Humidity..........77-87 percent.
   24 hr trend......8 percent down.
* Wind (20 FT).
     Lower Elevations...Northeast winds 10 to 15 mph shifting to
the southwest after midnight.
     Ridges.............North winds 10 to 15 mph.
* CWR...................20 percent.

.MONDAY...
* Sky/Weather...........Partly sunny. Slight chance of showers in
  the morning, then chance of showers in the afternoon.
* Max Temperature.......70-80...61-70 higher elevations.
   24 hr trend......5 degrees down.
* Min Humidity..........37-47 percent.
   24 hr trend......9 percent up.
* Wind (20 FT).
     Lower Elevations...Northwest winds around 5 mph shifting to
the northeast in the afternoon.
     Ridges.............East winds 10 to 15 mph.
* CWR...................20 percent.


.FORECAST DAYS 3 THROUGH 7......
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the upper 40s. Highs in the lower 70s. Southwest winds
10 to 15 mph.
.WEDNESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 70s.
Southwest winds 15 to 20 mph.
.JUNETEENTH...Mostly clear. Slight chance of showers and
thunderstorms. Lows around 50. Highs in the upper 70s. Southwest
winds 15 to 20 mph.
.FRIDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 50s. Highs in the lower 70s.
.SATURDAY...Cooler. Mostly cloudy. Chance of showers and slight
chance of thunderstorms. Lows in the mid 40s. Highs in the lower
60s.

$$

MTZ118-152215-
Helena and Townsend Ranger Districts of the Helena National
Forest-
417 AM MDT Sun Jun 15 2025

.TODAY...
* Sky/Weather...........Mostly sunny. Chance of showers and
  thunderstorms in the afternoon.
* Max Temperature.......75-83...66-75 higher elevations.
   24 hr trend......2 degrees up.
* Min Humidity..........31-41 percent.
   24 hr trend......Unchanged.
* Wind (20 FT).
     Lower Elevations...North winds 5 to 10 mph.
     Ridges.............Northwest winds 5 to 10 mph.
* CWR...................10 percent.

.TONIGHT...
* Sky/Weather...........Mostly cloudy then becoming partly cloudy.
  Chance of showers and thunderstorms in the evening.
* Min Temperature.......48-53.
   24 hr trend......1 degree down.
* Max Humidity..........75-85 percent.
   24 hr trend......5 percent up...unchanged higher elevations.
* Wind (20 FT).
     Lower Elevations...North winds 5 to 15 mph.
     Ridges.............North winds 5 to 15 mph.
* CWR...................0 percent.

.MONDAY...
* Sky/Weather...........Partly sunny. Slight chance of showers in
  the morning, then chance of showers in the afternoon.
* Max Temperature.......71-78...61-71 higher elevations.
   24 hr trend......6 degrees down.
* Min Humidity..........37-47 percent.
   24 hr trend......8 percent up...14 percent up higher elevations.
* Wind (20 FT).
     Lower Elevations...East winds around 5 mph shifting to the
north in the afternoon.
     Ridges.............Southeast winds around 5 mph shifting to
the northwest in the afternoon.
* CWR...................20 percent.


.FORECAST DAYS 3 THROUGH 7......
.TUESDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the upper 40s. Highs in the lower 70s. Southwest winds
10 to 15 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 40s. Highs in the
upper 70s. Southwest winds 15 to 20 mph.
.JUNETEENTH...Mostly clear. Slight chance of showers and
thunderstorms. Lows around 50. Highs in the lower 80s. Southwest
winds 15 to 20 mph.
.FRIDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 50s. Highs in the mid 70s.
.SATURDAY...Cooler. Mostly cloudy. Chance of showers and slight
chance of thunderstorms. Lows in the mid 40s. Highs in the mid
60s.

$$

weather.gov/greatfalls