857 

FPUS65 KTFX 201230

SFPMT 



State Forecast For Montana

National Weather Service Great Falls MT

630 AM MDT Wed May 20 2026



MTZ001>007-043-202200-

West of the Continental Divide- 

National Weather Service Missoula MT 

630 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. 



$$



MTZ301>314-316>318-202200-

Central Montana- 

National Weather Service Great Falls MT

630 AM MDT Wed May 20 2026



.TODAY...Mostly cloudy. Slight chance of rain in the morning,

then chance of showers and thunderstorms in the afternoon. Highs

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

.TONIGHT...Mostly cloudy. Chance of rain showers. Lows 35 to 40...

25 to 35 in the mountains. 

.THURSDAY...Mostly cloudy then becoming partly cloudy. Slight

chance of rain showers in the afternoon and evening. Highs 55 to

65...45 to 55 in the mountains. 

.FRIDAY...Partly cloudy. Lows 35 to 40. 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. 

$$



MTZ315-319>330-202200-

Southwest Montana- 

National Weather Service Great Falls MT

630 AM MDT Wed May 20 2026



.TODAY...Mostly cloudy. Slight chance of rain and snow in the

morning. Chance of showers and thunderstorms in the afternoon.

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

.TONIGHT...Mostly cloudy. Rain showers, snow showers and slight

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

snow after midnight. Lows 30 to 35. 

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

afternoon then becoming mostly clear. Chance of snow. Highs 50 to

60...40 to 50 in the mountains. 

.FRIDAY...Partly cloudy. Lows 30 to 35. 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. 

$$



MTZ016>027-059>062-202200-

Northeast Montana- 

National Weather Service Glasgow MT

630 AM MDT Wed May 20 2026



.TODAY...Mostly cloudy. A slight 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 mid 60s to lower

70s. 

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

chance of thunderstorms in the evening, then a slight chance of

rain showers after midnight. 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 and evening. Highs in the lower to

mid 60s. 

.FRIDAY...Partly cloudy with a chance of rain showers. Highs near

70. Lows near 40. 

.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. 



$$



MTZ028>042-056>058-063>068-202200-

South Central and Southeast Montana- 

National Weather Service Billings MT

630 AM MDT Wed May 20 2026



.TODAY...Mostly sunny. Isolated thunderstorms. Highs in the lower

60s to the lower 70s. 

.TONIGHT...Showers, snow showers and slight chance of

thunderstorms west...and chance of showers and slight chance of

thunderstorms east. Lows in the mid 30s to the mid 40s. 

.THURSDAY...Cloudy. Chance of showers with possible snow showers

and thunderstorms west...and chance of showers and slight chance

of thunderstorms east. Highs around 50 to the lower 60s. 

.THURSDAY NIGHT...Mostly cloudy. Chance of rain showers. Lows in

the lower 30s to around 40. 

.FRIDAY...Sunny. Slight chance of rain showers. Highs in the

lower 60s to the lower 70s. 

.FRIDAY NIGHT...Partly cloudy. Lows in the mid 30s to the mid

40s. 

.SATURDAY...Sunny. Highs in the lower 70s to the lower 80s. 

.SATURDAY NIGHT...Partly cloudy. Lows in the lower 40s to the

lower 50s. 

.SUNDAY...Sunny. Highs in the upper 70s to the upper 80s. 



$$