501 

FLUS45 KMSO 200621

AFPMSO



Area Forecast for Montana west of the Continental Divide

National Weather Service Missoula MT

1221 AM MDT Wed May 20 2026



MTZ001>007-043-210300-

West of the Continental Divide-

National Weather Service Missoula MT

1221 AM MDT Wed May 20 2026





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

thunderstorms. Highs in the upper 50s to mid 60s. 

.TONIGHT...Rain showers likely and a slight chance of

thunderstorms. 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. 



$$








660 

FLUS45 KGGW 200632

AFPGGW



Northeast Montana Area Forecast

National Weather Service Glasgow MT

1232 AM MDT Wed May 20 2026



MTZ016>027-059>062-211200-

Northeast Montana-

1232 AM MDT Wed May 20 2026



.REST OF TONIGHT...Mostly cloudy with a chance of rain showers

and a slight chance of thunderstorms. Highs in the mid 60s to

lower 70s. Lows near 40. 

.THURSDAY...Mostly cloudy. A chance of rain showers in the

morning, then a chance of rain showers and a slight chance of

thunderstorms in the afternoon. Highs in the lower to mid 60s. 

.THURSDAY NIGHT...Mostly cloudy with a chance of rain showers.

Lows near 40. 

.FRIDAY...Sunny in the morning then becoming partly cloudy. A

chance of rain showers in the morning, then a slight chance of

rain showers in the afternoon and evening. Highs near 70. 

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

the lower to mid 40s. 

.SUNDAY...Partly cloudy. Highs in the lower to mid 80s. Lows near

50. 

.MEMORIAL DAY...Partly cloudy. Highs in the mid 80s to lower 90s.

Lows near 50. 



$$








864 

FPUS65 KTFX 200634

AFPTFX



Central and Southwest Montana Area Forecast

National Weather Service Great Falls MT

1233 AM MDT Wed May 20 2026



MTZ301>314-316>318-211200-

Central Montana-

National Weather Service Great Falls MT

1233 AM MDT Wed May 20 2026





.REST OF TONIGHT...Mostly cloudy. Chance of rain showers. Chance

of thunderstorms in the afternoon. Highs 50 to 60...45 to 55 in

the mountains. Lows 30 to 40. 

.THURSDAY...Mostly cloudy. Highs 55 to 65...45 to 55 in the

mountains. 

.THURSDAY NIGHT...Partly cloudy. Lows 35 to 40...30 to 35 in the

mountains. 

.FRIDAY...Partly cloudy. Highs 60 to 70. 

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

.SUNDAY...Partly cloudy. Lows 45 to 50. Highs 75 to 85. 

.MEMORIAL DAY...Partly cloudy. Chance of rain. Lows 45 to 55.

Highs 75 to 85. 



$$



MTZ315-319>330-211200-

Southwest Montana-

National Weather Service Great Falls MT

1233 AM MDT Wed May 20 2026





.REST OF TONIGHT...Chance of showers and thunderstorms in the

afternoon. Rain showers, snow showers and slight chance of

thunderstorms in the evening, then chance of rain and snow after

midnight. Highs 55 to 60...45 to 55 in the mountains. Lows 30 to

35. 

.THURSDAY...Mostly cloudy in the morning then becoming partly

cloudy. Chance of snow. Highs 50 to 60...40 to 50 in the

mountains. 

.THURSDAY NIGHT...Mostly clear. Lows 25 to 35. 

.FRIDAY...Partly cloudy. Highs 55 to 65. 

.SATURDAY...Mostly clear. Lows 35 to 40. Highs 65 to 75. 

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

.MEMORIAL DAY...Partly cloudy. Lows 40 to 50. Highs 70 to 80. 



$$