381 

FLUS45 KMSO 191821

AFPMSO



Area Forecast for Montana west of the Continental Divide

National Weather Service Missoula MT

1221 PM MDT Tue May 19 2026



MTZ001>007-043-201500-

West of the Continental Divide-

National Weather Service Missoula MT

1221 PM MDT Tue May 19 2026





.TONIGHT...Mostly cloudy with a slight chance of rain. Lows in

the 30s. 

.WEDNESDAY...Mostly cloudy with a chance of showers and

thunderstorms. Highs in the 60s. 

.WEDNESDAY NIGHT...Rain showers likely. Lows in the 30s. 

.THURSDAY...Partly cloudy. Highs in the 60s. 

.FRIDAY...Partly cloudy. Lows in the 30s to lower 40s. Highs in

the upper 60s to mid 70s. 

.SATURDAY...Partly cloudy. Lows in the upper 30s to mid 40s.

Highs in the 70s to lower 80s. 

.SUNDAY...Partly cloudy. Lows in the 40s. Highs in the mid 70s to

lower 80s. 



$$








556 

FPUS65 KTFX 191834

AFPTFX



Central and Southwest Montana Area Forecast

National Weather Service Great Falls MT

1233 PM MDT Tue May 19 2026



MTZ301>314-316>318-200000-

Central Montana-

National Weather Service Great Falls MT

1233 PM MDT Tue May 19 2026





.REST OF TODAY...Mostly cloudy. Chance of rain showers and slight

chance of thunderstorms. Highs 60 to 65...45 to 55 in the

mountains. 

.TONIGHT...Mostly cloudy. Slight chance of rain showers. Lows

35 to 40. 

.WEDNESDAY...Mostly cloudy. Slight chance of rain in the morning.

Chance of showers and thunderstorms in the afternoon and evening.

Highs 50 to 60...45 to 55 in the mountains. 

.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. 

.SATURDAY...Partly cloudy. Lows 40 to 45. Highs 70 to 80. 



$$



MTZ315-319>330-200000-

Southwest Montana-

National Weather Service Great Falls MT

1233 PM MDT Tue May 19 2026





.REST OF TODAY...Mostly cloudy. Slight chance of rain showers,

thunderstorms and snow showers. Highs 55 to 60...45 to 55 in the

mountains. 

.TONIGHT...Mostly cloudy. Slight chance of rain and snow showers.

Lows 30 to 35. 

.WEDNESDAY...Mostly cloudy.  and slight chance of thunderstorms

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

mountains. 

.THURSDAY...Rain and snow. Lows 30 to 35. Highs 45 to 55. 

.FRIDAY...Partly cloudy. Lows 30 to 35. Highs 55 to 65. 

.SATURDAY...Partly cloudy. Lows 35 to 40. Highs 65 to 75. 



$$








725 

FLUS45 KGGW 191837

AFPGGW



Northeast Montana Area Forecast

National Weather Service Glasgow MT

1237 PM MDT Tue May 19 2026



MTZ016>027-059>062-200000-

Northeast Montana-

1237 PM MDT Tue May 19 2026



.REST OF TODAY...Sunny. Highs in the lower to mid 60s. 

.TONIGHT...Mostly cloudy. Lows near 40. 

.WEDNESDAY...Partly cloudy in the morning then becoming mostly

cloudy. A chance of rain showers and a slight chance of

thunderstorms in the afternoon and evening. Highs in the mid 60s

to lower 70s. 

.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. 

.SATURDAY...Partly cloudy. Highs in the mid to upper 70s. Lows in

the lower to mid 40s. 



$$