FPUS65 KTFX 240518 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 1117 PM MDT Thu Apr 23 2026 MTZ301>314-316>318-241200- Central Montana- National Weather Service Great Falls MT 1117 PM MDT Thu Apr 23 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM FRIDAY TO NOON MDT SATURDAY FOR Northern High Plains...Eastern Glacier, Western Toole, and Central Pondera...Eastern Toole and Liberty...Hill County...Northern Blaine County... ...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM FRIDAY TO NOON MDT SATURDAY FOR Bears Paw Mountains and Southern Blaine... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT FRIDAY FOR Little Belt and Highwood Mountains... .REST OF TONIGHT...Mostly cloudy. Chance of snow late in the evening. Slight chance of snow after midnight. Lows 20 to 25... 10 to 20 in the mountains. Northwest winds around 20 mph with gusts to 35 mph after midnight. .FRIDAY...Mostly cloudy. Chance of snow. Highs 30 to 40...20 to 30 in the mountains. Northwest winds 20 to 30 mph with gusts to 45 mph. .FRIDAY NIGHT...Mostly cloudy. Chance of snow. Lows 20 to 25... 10 to 20 in the mountains. Northwest winds 20 to 25 mph with gusts to 35 mph in the evening. .SATURDAY...Mostly cloudy. Chance of snow. Highs 35 to 40. .SUNDAY...Mostly cloudy. Chance of snow. Lows 20 to 25. Highs 35 to 40. .MONDAY...Mostly cloudy. Slight chance of snow. Lows 20 to 25. Highs 40 to 50. .TUESDAY...Partly cloudy. Slight chance of rain. Lows 25 to 30. Highs 50 to 60. $$ MTZ315-319>330-241200- Southwest Montana- National Weather Service Great Falls MT 1117 PM MDT Thu Apr 23 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT FRIDAY FOR Upper Blackfoot and MacDonald Pass...Big Belt, Bridger and Castle Mountains...Elkhorn and Boulder Mountains...Missouri Headwaters...Madison River Valley...Gallatin Valley...Northwest Beaverhead County...Beaverhead and Western Madison below 6000ft...Ruby Mountains and Southern Beaverhead Mountains... ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY FOR Gallatin and Madison County Mountains and Centennial Mountains... .REST OF TONIGHT...Mostly cloudy. Chance of snow. Lows 20 to 25... 10 to 20 in the mountains. .FRIDAY...Mostly cloudy. Chance of snow. Highs 30 to 40...20 to 30 in the mountains. .FRIDAY NIGHT...Partly cloudy. Slight chance of snow. Lows 15 to 20...10 to 15 in the mountains. .SATURDAY...Mostly cloudy. Slight chance of snow. Highs 35 to 45. .SUNDAY...Mostly cloudy. Chance of snow. Lows 20 to 25. Highs 35 to 45. .MONDAY...Mostly cloudy. Chance of snow. Lows 20 to 25. Highs 40 to 50. .TUESDAY...Partly cloudy. Slight chance of snow. Lows 25 to 30. Highs 45 to 55. $$