FPUS65 KTFX 150938 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 337 AM MDT Wed Apr 15 2026 MTZ301>314-316>318-160000- Central Montana- National Weather Service Great Falls MT 337 AM MDT Wed Apr 15 2026 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL NOON MDT THURSDAY FOR East Glacier Park Region... ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT THURSDAY FOR Southern Rocky Mountain Front...Little Belt and Highwood Mountains... .TODAY...Mostly cloudy. Chance of rain and snow in the afternoon. Highs 50 to 60...40 to 50 in the mountains. West winds 20 to 25 mph in the afternoon. Gusts up to 35 mph. .TONIGHT...Cloudy. Rain likely in the evening. Snow likely through the night. Patchy blowing snow after midnight. Lows 20 to 30...15 to 25 in the mountains. Northwest winds around 20 mph after midnight. .THURSDAY...Mostly cloudy. Colder. Patchy blowing snow in the morning. Patchy blowing snow in the afternoon. Chance of snow through the day. Highs 30 to 40...25 to 35 in the mountains. Northwest winds 20 to 30 mph with gusts to 35 mph. .FRIDAY...Partly cloudy. Slight chance of snow. Lows 15 to 20. Highs 40 to 45. .SATURDAY...Mostly clear. Lows 20 to 25. Highs 50 to 60. .SUNDAY...Partly cloudy. Lows 25 to 35. Highs 60 to 70. $$ MTZ315-319>330-160000- Southwest Montana- National Weather Service Great Falls MT 337 AM MDT Wed Apr 15 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON MDT THURSDAY FOR Big Belt, Bridger and Castle Mountains... ...HIGH WIND WARNING IN EFFECT FROM 9 AM THIS MORNING TO 9 PM MDT THIS EVENING FOR Madison River Valley...Beaverhead and Western Madison below 6000ft... ...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY AFTERNOON FOR Gallatin Valley... ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM MDT THURSDAY FOR Northwest Beaverhead County... ...WINTER STORM WATCH NOW IN EFFECT FROM THIS EVENING THROUGH THURSDAY EVENING FOR Gallatin and Madison County Mountains and Centennial Mountains... .TODAY...Chance of snow through the day. Rain showers likely and slight chance of thunderstorms in the afternoon. Highs 50 to 60... 40 to 50 in the mountains. Southwest winds 20 to 30 mph. Gusts up to 40 mph increasing to 50 mph in the afternoon. .TONIGHT...Cloudy. Patchy blowing snow through the night. Snow showers with possible showers and thunderstorms likely in the evening. Snow likely after midnight. Lows 20 to 30...15 to 25 in the mountains. West winds 20 to 25 mph with gusts to 45 mph in the evening. .THURSDAY...Mostly cloudy. Snow through the day. Patchy blowing snow in the afternoon. Highs 30 to 40...20 to 30 in the mountains. .FRIDAY...Mostly cloudy. Chance of snow. Lows 15 to 20. Highs 30 to 40. .SATURDAY...Mostly clear. Lows 15 to 25. Highs 40 to 50. .SUNDAY...Partly cloudy. Lows 20 to 30. Highs 50 to 60. $$