122
FNUS55 KTFX 132039
FWFTFX

Fire Weather Planning Forecast for North-Central Montana
National Weather Service Great Falls MT
Issued by National Weather Service Missoula MT
239 PM MDT Mon Jul 13 2026

.DISCUSSION...

Hot temperatures will continue through the rest of the day
with a chance for isolated thunderstorms possible this
afternoon and evening. The main concern will be lightning
and strong, gusty winds.

Starting tomorrow, monsoonal moisture will start to make its
way into the region. More widespread shower and thunderstorm
activity is expected Tuesday afternoon with the main concerns
being strong, gusty winds and heavy downpours which may lead
to isolated flash flooding.

MTZ112-141030-
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
239 PM MDT Mon Jul 13 2026

.TONIGHT...
* Sky/Weather...........Mostly cloudy. Slight chance of showers in
  the evening.
* Chance Lightning.......0 percent.
* Min Temperature.......59-65.
   24 hr trend......1 degree up.
* Max Humidity..........50-60 percent.
   24 hr trend......10 percent up...1 percent down higher
elevations.
* Wind (20 FT).
     Lower Elevations...South winds 10 to 15 mph.
     Ridges.............South winds 10 to 15 mph.
* Mixing Height.........6000 ft agl decreasing to 500-1000 ft agl.
* Transport Winds.......Southwest 20 to 25 mph shifting to the
  south after midnight.
* CWR...................10 percent.

.TUESDAY...
* Sky/Weather...........Partly sunny. Slight chance of showers in
  the afternoon.
* Chance Lightning.......0 percent.
* Max Temperature.......79-89...71-77 higher elevations.
   24 hr trend......10 degrees down.
* Min Humidity..........38-46 percent.
   24 hr trend......17 percent up.
* Wind (20 FT).
     Lower Elevations...Southeast winds 10 to 15 mph.
     Ridges.............Southeast winds 10 to 15 mph.
* Mixing Height.........500-2000 ft agl increasing to 4000-4500 ft
  agl.
* Transport Winds.......Southeast 20 to 25 mph.
* CWR...................10 percent.

.TUESDAY NIGHT...
* Sky/Weather...........Mostly cloudy. Chance of showers and slight
  chance of thunderstorms through the night.
* Chance Lightning.......20 percent.
* Min Temperature.......56-61.
   24 hr trend......5 degrees down.
* Max Humidity..........77-87 percent...68-78 percent higher
  elevations.
   24 hr trend......27 percent up.
* Wind (20 FT).
     Lower Elevations...North winds 10 to 15 mph.
     Ridges.............North winds 10 to 15 mph.
* Mixing Height.........1500-2500 ft agl decreasing to BELOW 1000
  ft agl in the late evening and overnight.
* Transport Winds.......East 15 to 20 mph.
* CWR...................30 percent.

.WEDNESDAY...
* Sky/Weather...........Mostly cloudy. Showers likely through the
  day. Chance of thunderstorms in the afternoon.
* Chance Lightning.......50 percent.
* Max Temperature.......77-82...69-75 higher elevations.
   24 hr trend......2 degrees down.
* Min Humidity..........47-57 percent.
   24 hr trend......5 percent up...14 percent up higher elevations.
* Wind (20 FT).
     Lower Elevations...West winds 5 to 10 mph.
     Ridges.............West winds 5 to 10 mph.
* Mixing Height.........500-2000 ft agl increasing to 3000-4500 ft
  agl late in the morning.
* Transport Winds.......South 15 to 20 mph.
* CWR...................30 percent.


.FORECAST DAYS 3 THROUGH 7......
.THURSDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
Northwest winds 10 to 15 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s. East
winds 15 to 20 mph.
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 50s. Highs in the upper 80s.
Southwest winds 15 to 20 mph.
.SUNDAY...Partly cloudy. Slight chance of showers. Lows around
60. Highs in the upper 80s.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.

$$

MTZ113-141030-
Hill and Blaine Counties-
239 PM MDT Mon Jul 13 2026

.TONIGHT...
* Sky/Weather...........Mostly cloudy. Slight chance of showers in
  the evening. Chance of showers after midnight.
* Chance Lightning.......0 percent.
* Min Temperature.......63-68.
   24 hr trend......2 degrees up.
* Max Humidity..........57-67 percent...48-56 percent higher
  elevations.
   24 hr trend......5 percent up.
* Wind (20 FT).
     Lower Elevations...East winds 10 to 15 mph.
     Ridges.............East winds 10 to 15 mph.
* Mixing Height.........7000 ft agl decreasing to 500-1000 ft agl.
* Transport Winds.......East 15 to 20 mph.
* CWR...................10 percent.

.TUESDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......88-94...82-87 higher elevations.
   24 hr trend......2 degrees up.
* Min Humidity..........27-37 percent.
   24 hr trend......2 percent up...8 percent up higher elevations.
* Wind (20 FT).
     Lower Elevations...East winds 15 to 20 mph.
     Ridges.............East winds 15 to 20 mph.
* Mixing Height.........500-2000 ft agl increasing to 5500-7000 ft
  agl.
* Transport Winds.......East 20 to 25 mph.
* CWR...................10 percent.

.TUESDAY NIGHT...
* Sky/Weather...........Mostly cloudy. Chance of thunderstorms in
  the evening. Chance of showers through the night. Slight chance
  of thunderstorms after midnight.
* Chance Lightning.......50 percent.
* Min Temperature.......59-64.
   24 hr trend......5 degrees down.
* Max Humidity..........78-88 percent.
   24 hr trend......28 percent up.
* Wind (20 FT).
     Lower Elevations...Northeast winds 15 to 20 mph.
     Ridges.............Northeast winds 10 to 15 mph.
* Mixing Height.........5500-6500 ft agl decreasing to 500-1000 ft
  agl.
* Transport Winds.......East 20 to 25 mph.
* CWR...................40 percent.

.WEDNESDAY...
* Sky/Weather...........Mostly cloudy. Showers likely through the
  day. Slight chance of thunderstorms in the afternoon.
* Chance Lightning.......20 percent.
* Max Temperature.......79-85...72-77 higher elevations.
   24 hr trend......11 degrees down.
* Min Humidity..........50-60 percent.
   24 hr trend......30 percent up.
* Wind (20 FT).
     Lower Elevations...Northeast winds 10 to 15 mph.
     Ridges.............Northeast winds 5 to 15 mph.
* Mixing Height.........1000-2500 ft agl increasing to 3500-5000 ft
  agl.
* Transport Winds.......Southeast 15 to 20 mph.
* CWR...................20 percent.


.FORECAST DAYS 3 THROUGH 7......
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
Northwest winds 10 to 15 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows around 60. Highs in the upper 80s. East winds
15 to 20 mph.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 60s. Highs in the upper 80s.
Southeast winds 15 to 20 mph.
.SUNDAY...Partly cloudy. Lows around 60. Highs in the upper 80s.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows around 60. Highs in the upper 80s.

$$

MTZ114-141030-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-
239 PM MDT Mon Jul 13 2026

.TONIGHT...
* Sky/Weather...........Mostly cloudy. Slight chance of showers and
  thunderstorms in the evening.
* Chance Lightning.......20 percent.
* Min Temperature.......60-65...54-61 higher elevations.
   24 hr trend......1 degree up.
* Max Humidity..........52-62 percent.
   24 hr trend......13 percent up.
* Wind (20 FT).
     Lower Elevations...Southwest winds 5 to 15 mph.
     Ridges.............Southwest winds 5 to 15 mph.
* Mixing Height.........5500 ft agl decreasing to 500-1000 ft agl.
* Transport Winds.......West 15 to 20 mph.
* CWR...................10 percent.

.TUESDAY...
* Sky/Weather...........Partly sunny. Slight chance of showers in
  the afternoon.
* Chance Lightning.......0 percent.
* Max Temperature.......80-89...67-77 higher elevations.
   24 hr trend......7 degrees down.
* Min Humidity..........34-44 percent...48-58 percent higher
  elevations.
   24 hr trend......17 percent up...11 percent up higher
elevations.
* Wind (20 FT).
     Lower Elevations...Northeast winds 5 to 10 mph.
     Ridges.............Northeast winds 5 to 10 mph.
* Mixing Height.........500-2000 ft agl increasing to 5000-6000 ft
  agl.
* Transport Winds.......Southeast 15 to 20 mph shifting to the
  northeast in the afternoon.
* CWR...................10 percent.

.TUESDAY NIGHT...
* Sky/Weather...........Mostly cloudy. Slight chance of
  thunderstorms in the evening. Chance of showers through the
  night.
* Chance Lightning.......20 percent.
* Min Temperature.......56-61...50-57 higher elevations.
   24 hr trend......5 degrees down.
* Max Humidity..........76-86 percent.
   24 hr trend......22 percent up.
* Wind (20 FT).
     Lower Elevations...North winds 5 to 10 mph.
     Ridges.............North winds 5 to 10 mph.
* Mixing Height.........2500-3500 ft agl decreasing to 500-1500 ft
  agl early in the evening.
* Transport Winds.......Northeast 20 to 25 mph becoming south 10 to
  15 mph after midnight.
* CWR...................30 percent.

.WEDNESDAY...
* Sky/Weather...........Mostly cloudy. Showers likely in the
  morning, then showers and chance of thunderstorms in the
  afternoon.
* Chance Lightning.......50 percent.
* Max Temperature.......78-83...65-75 higher elevations.
   24 hr trend......4 degrees down.
* Min Humidity..........43-51 percent...54-64 percent higher
  elevations.
   24 hr trend......7 percent up...19 percent up higher elevations.
* Wind (20 FT).
     Lower Elevations...Northwest winds around 5 mph shifting to
the north in the afternoon.
     Ridges.............West winds 5 to 10 mph.
* Mixing Height.........500-2000 ft agl increasing to 5000 ft agl.
* Transport Winds.......Southwest 15 to 20 mph.
* CWR...................30 percent.


.FORECAST DAYS 3 THROUGH 7......
.THURSDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the mid 50s. Highs in the lower 80s.
Northwest winds 10 to 15 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
Northeast winds 10 to 15 mph.
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 50s. Highs in the mid 80s. West
winds 10 to 15 mph.
.SUNDAY...Partly cloudy. Slight chance of showers. Lows in the
upper 50s. Highs in the mid 80s.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the lower 80s.

$$

MTZ115-141030-
Chouteau and Fergus Counties-
239 PM MDT Mon Jul 13 2026

.TONIGHT...
* Sky/Weather...........Partly cloudy then becoming mostly cloudy.
  Slight chance of thunderstorms in the evening. Chance of showers
  through the night.
* Chance Lightning.......20 percent.
* Min Temperature.......61-68.
   24 hr trend......2 degrees up.
* Max Humidity..........50-60 percent.
   24 hr trend......7 percent up.
* Wind (20 FT).
     Lower Elevations...East winds 10 to 15 mph.
     Ridges.............East winds 10 to 15 mph.
* Mixing Height.........8500 ft agl decreasing to 500-1500 ft agl.
* Transport Winds.......East 20 to 25 mph.
* CWR...................0 percent.

.TUESDAY...
* Sky/Weather...........Mostly sunny. Slight chance of showers in
  the afternoon.
* Chance Lightning.......0 percent.
* Max Temperature.......91-96...83-90 higher elevations.
   24 hr trend......2 degrees down.
* Min Humidity..........31-36 percent.
   24 hr trend......11 percent up...17 percent up higher
elevations.
* Wind (20 FT).
     Lower Elevations...East winds 15 to 20 mph.
     Ridges.............East winds 15 to 20 mph.
* Mixing Height.........500-1500 ft agl increasing to 6000-6500 ft
  agl.
* Transport Winds.......East 20 to 25 mph.
* CWR...................0 percent.

.TUESDAY NIGHT...
* Sky/Weather...........Mostly cloudy. Chance of showers and
  thunderstorms.
* Chance Lightning.......50 percent.
* Min Temperature.......59-65.
   24 hr trend......4 degrees down.
* Max Humidity..........77-87 percent.
   24 hr trend......27 percent up.
* Wind (20 FT).
     Lower Elevations...Northeast winds 15 to 20 mph.
     Ridges.............Northeast winds 10 to 15 mph.
* Mixing Height.........5500 ft agl decreasing to 500-1000 ft agl.
* Transport Winds.......East 20 to 25 mph.
* CWR...................40 percent.

.WEDNESDAY...
* Sky/Weather...........Mostly cloudy. Chance of showers through
  the day. Slight chance of thunderstorms in the afternoon.
* Chance Lightning.......20 percent.
* Max Temperature.......81-86...74-81 higher elevations.
   24 hr trend......11 degrees down.
* Min Humidity..........47-57 percent.
   24 hr trend......17 percent up.
* Wind (20 FT).
     Lower Elevations...North winds 10 to 15 mph.
     Ridges.............North winds 5 to 15 mph.
* Mixing Height.........1000-2500 ft agl increasing to 3000-4000 ft
  agl late in the morning.
* Transport Winds.......East 15 to 20 mph.
* CWR...................30 percent.


.FORECAST DAYS 3 THROUGH 7......
.THURSDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows around 60. Highs in the upper 80s. Northwest
winds 10 to 15 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 60s. Highs around 90. East winds
15 to 20 mph.
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 60s. Highs in the upper 80s.
Southeast winds 15 to 20 mph.
.SUNDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 60s. Highs in the upper 80s.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the lower 60s. Highs in the upper 80s.

$$

MTZ116-118-141030-
Lincoln Ranger District of the Helena National Forest-
Helena and Townsend Ranger Districts of the Helena National
Forest-
239 PM MDT Mon Jul 13 2026

.TONIGHT...
* Sky/Weather...........Partly cloudy. Slight chance of showers and
  thunderstorms in the evening.
* Chance Lightning.......20 percent.
* Min Temperature.......58-64.
   24 hr trend......Unchanged.
* Max Humidity..........53-63 percent.
   24 hr trend......15 percent up.
* Wind (20 FT).
     Lower Elevations...North winds 10 to 15 mph.
     Ridges.............Northwest winds 10 to 15 mph shifting to
the northeast after midnight.
* Mixing Height.........7000 ft agl decreasing to 500-1500 ft agl.
* Transport Winds.......North 15 to 20 mph.
* CWR...................0 percent.

.TUESDAY...
* Sky/Weather...........Mostly sunny.
* Chance Lightning.......0 percent.
* Max Temperature.......84-94...73-83 higher elevations.
   24 hr trend......2 degrees down.
* Min Humidity..........31-41 percent.
   24 hr trend......8 percent up.
* Wind (20 FT).
     Lower Elevations...Northeast winds around 5 mph increasing to
15 to 20 mph in the afternoon.
     Ridges.............Northeast winds 10 to 15 mph.
* Mixing Height.........500-2000 ft agl increasing to 5500-6000 ft
  agl.
* Transport Winds.......Northeast 10 to 15 mph increasing to 20 to
  25 mph in the afternoon.
* CWR...................10 percent.

.TUESDAY NIGHT...
* Sky/Weather...........Mostly cloudy. Chance of thunderstorms in
  the evening. Chance of showers through the night. Slight chance
  of thunderstorms after midnight.
* Chance Lightning.......50 percent.
* Min Temperature.......55-62.
   24 hr trend......Unchanged.
* Max Humidity..........73-83 percent.
   24 hr trend......14 percent up...24 percent up higher
elevations.
* Wind (20 FT).
     Lower Elevations...North winds 15 to 20 mph.
     Ridges.............North winds 15 to 20 mph.
* Mixing Height.........3500-4000 ft agl decreasing to 500-2000 ft
  agl early in the evening.
* Transport Winds.......Northeast 15 to 20 mph.
* CWR...................30 percent.

.WEDNESDAY...
* Sky/Weather...........Mostly cloudy. Chance of showers in the
  morning, then showers likely and chance of thunderstorms in the
  afternoon.
* Chance Lightning.......50 percent.
* Max Temperature.......78-88...69-79 higher elevations.
   24 hr trend......7 degrees down.
* Min Humidity..........42-52 percent...51-61 percent higher
  elevations.
   24 hr trend......13 percent up.
* Wind (20 FT).
     Lower Elevations...Northwest winds 5 to 10 mph.
     Ridges.............Northwest winds 5 to 10 mph.
* Mixing Height.........500-2000 ft agl increasing to 5000 ft agl.
* Transport Winds.......Southeast 10 to 15 mph shifting to the west
  in the afternoon.
* CWR...................10 percent.


.FORECAST DAYS 3 THROUGH 7......
.THURSDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the upper 50s. Highs in the mid 80s. North winds 10 to
15 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s. East
winds 15 to 20 mph.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the upper 50s. Highs in the mid 80s. Northwest winds
15 to 20 mph.
.SUNDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.

$$

MTZ117-141030-
Central and Eastern Lewis and Clark National Forest Areas-
239 PM MDT Mon Jul 13 2026

.TONIGHT...
* Sky/Weather...........Partly cloudy. Chance of showers and
  thunderstorms in the evening.
* Chance Lightning.......30 percent.
* Min Temperature.......56-64.
   24 hr trend......1 degree up.
* Max Humidity..........52-62 percent.
   24 hr trend......9 percent up.
* Wind (20 FT).
     Lower Elevations...Northeast winds 15 to 20 mph shifting to
the southeast after midnight.
     Ridges.............East winds 15 to 20 mph.
* Mixing Height.........4500-6000 ft agl decreasing to 500-1500 ft
  agl early in the evening.
* Transport Winds.......East around 25 mph shifting to the north
  after midnight.
* CWR...................10 percent.

.TUESDAY...
* Sky/Weather...........Mostly sunny. Slight chance of showers and
  thunderstorms in the afternoon.
* Chance Lightning.......20 percent.
* Max Temperature.......85-93...77-87 higher elevations.
   24 hr trend......5 degrees down.
* Min Humidity..........33-43 percent.
   24 hr trend......11 percent up.
* Wind (20 FT).
     Lower Elevations...East winds 10 to 15 mph.
     Ridges.............East winds 10 to 15 mph.
* Mixing Height.........500-2000 ft agl increasing to 4500-6000 ft
  agl.
* Transport Winds.......East 15 to 20 mph.
* CWR...................10 percent.

.TUESDAY NIGHT...
* Sky/Weather...........Mostly cloudy. Chance of thunderstorms in
  the evening. Chance of showers through the night. Slight chance
  of thunderstorms after midnight.
* Chance Lightning.......50 percent.
* Min Temperature.......55-61.
   24 hr trend......4 degrees down.
* Max Humidity..........78-88 percent.
   24 hr trend......27 percent up.
* Wind (20 FT).
     Lower Elevations...Northeast winds 15 to 20 mph shifting to
the northwest after midnight.
     Ridges.............East winds 15 to 20 mph shifting to the
north after midnight.
* Mixing Height.........4000-4500 ft agl decreasing to 500-1000 ft
  agl.
* Transport Winds.......East 15 to 20 mph.
* CWR...................40 percent.

.WEDNESDAY...
* Sky/Weather...........Mostly cloudy. Chance of showers and slight
  chance of thunderstorms in the morning, then showers likely and
  chance of thunderstorms in the afternoon.
* Chance Lightning.......50 percent.
* Max Temperature.......77-85...70-79 higher elevations.
   24 hr trend......6 degrees down.
* Min Humidity..........49-59 percent.
   24 hr trend......20 percent up.
* Wind (20 FT).
     Lower Elevations...Northwest winds 10 to 15 mph.
     Ridges.............Northwest winds 10 to 15 mph.
* Mixing Height.........500-2000 ft agl increasing to 3000-4500 ft
  agl late in the morning.
* Transport Winds.......Southeast 15 to 20 mph shifting to the
  southwest in the afternoon.
* CWR...................30 percent.


.FORECAST DAYS 3 THROUGH 7......
.THURSDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the mid 50s. Highs in the lower 80s. Northwest winds
10 to 15 mph.
.FRIDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
Southeast winds 15 to 20 mph.
.SATURDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows in the upper 50s. Highs in the mid 80s. South winds 15 to
20 mph.
.SUNDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 50s. Highs in the mid 80s.
.MONDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the lower 80s.

$$

weather.gov/greatfalls