879 

FPUS65 KTFX 180933

AFPTFX



Central and Southwest Montana Area Forecast

National Weather Service Great Falls MT

333 AM MDT Mon May 18 2026



MTZ301>314-316>318-190000-

Central Montana-

National Weather Service Great Falls MT

333 AM MDT Mon May 18 2026





.TODAY...Partly cloudy. Patchy fog in the morning. Highs 45 to

55...35 to 45 in the mountains. 

.TONIGHT...Mostly clear. Lows 25 to 30. 

.TUESDAY...Increasing clouds. Slight chance of rain in the

afternoon and evening. Highs 60 to 65...45 to 55 in the

mountains. 

.WEDNESDAY...Mostly cloudy. Chance of rain. Lows 35 to 40. Highs

55 to 65. 

.THURSDAY...Partly cloudy. Chance of rain. Lows 35 to 40. Highs

55 to 65. 

.FRIDAY...Partly cloudy. Lows 35 to 40. Highs 60 to 70. 



$$



MTZ315-319>330-190000-

Southwest Montana-

National Weather Service Great Falls MT

333 AM MDT Mon May 18 2026





.TODAY...Partly cloudy. Slight chance of snow in the morning.

Highs 40 to 50...30 to 40 in the mountains. Gusts up to 35 mph in

the morning. 

.TONIGHT...Mostly clear. Lows 20 to 30...15 to 25 in the

mountains. 

.TUESDAY...Increasing clouds in the afternoon then becoming

partly cloudy. Slight chance of rain and snow in the afternoon

and evening. Highs 50 to 60...40 to 50 in the mountains. 

.WEDNESDAY...Partly cloudy. Chance of rain. Lows 25 to 35. Highs

50 to 60. 

.THURSDAY...Partly cloudy. Chance of rain and snow. Lows 30 to

35. Highs 50 to 60. 

.FRIDAY...Partly cloudy. Lows 30 to 40. Highs 55 to 65. 



$$








657 

FLUS45 KGGW 180953

AFPGGW



Northeast Montana Area Forecast

National Weather Service Glasgow MT

353 AM MDT Mon May 18 2026



MTZ016>027-059>062-190000-

Northeast Montana-

353 AM MDT Mon May 18 2026



.TODAY...Mostly cloudy with a slight chance of rain showers.

Highs in the mid to upper 40s. 

.TONIGHT...Mostly cloudy. Lows in the mid 20s to lower 30s. 

.TUESDAY...Partly cloudy. Highs in the lower to mid 60s. 

.WEDNESDAY...Mostly cloudy with a slight chance of rain showers.

Highs in the mid 60s to lower 70s. Lows near 40. 

.THURSDAY...Mostly cloudy with a chance of rain showers. Highs in

the lower to mid 60s. Lows near 40. 

.FRIDAY...Partly cloudy. Highs in the mid 60s to lower 70s. Lows

near 40. 



$$