FPUS65 KTFX 152138 AFPTFX Central and Southwest Montana Area Forecast National Weather Service Great Falls MT 337 PM MDT Sun Mar 15 2026 MTZ301>314-316>318-161200- Central Montana- National Weather Service Great Falls MT 338 PM MDT Sun Mar 15 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO NOON MDT MONDAY FOR East Glacier Park Region...Northern High Plains...Eastern Glacier, Western Toole, and Central Pondera...Southern Rocky Mountain Front...Southern High Plains... ...HIGH WIND WARNING IN EFFECT FROM 3 PM MONDAY TO 6 PM MDT TUESDAY FOR Eastern Toole and Liberty...Hill County...Northern Blaine County...Western and Central Chouteau County...Bears Paw Mountains and Southern Blaine...Judith Basin County and Judith Gap...Fergus County below 4500ft...Snowy and Judith Mountains... .TONIGHT...Mostly cloudy. Patchy blowing snow after midnight. Chance of snow after midnight. Lows 10 to 20. .MONDAY...Mostly cloudy. Patchy blowing snow in the morning. Chance of snow through the day. Highs 40 to 50...35 to 45 in the mountains. West winds 20 to 25 mph in the afternoon. Gusts up to 45 mph. .MONDAY NIGHT...Mostly cloudy. Chance of rain through the night. Lows 30 to 40. West winds 20 to 30 mph with gusts to 55 mph. .TUESDAY...Mostly cloudy. Slight chance of rain. Highs 50 to 60. West winds 20 to 30 mph with gusts to 55 mph. .WEDNESDAY...Mostly cloudy. Lows 40 to 45. Highs 55 to 65. .THURSDAY...Mostly cloudy. Lows 40 to 45. Highs 60 to 70. .FRIDAY...Mostly cloudy. Slight chance of rain. Lows 45 to 50. Highs 60 to 70. $$ MTZ315-319>330-161200- Southwest Montana- National Weather Service Great Falls MT 338 PM MDT Sun Mar 15 2026 .TONIGHT...Mostly cloudy. Chance of snow after midnight. Lows 20 to 25...15 to 20 in the mountains. .MONDAY...Mostly cloudy. Chance of snow through the day. Highs 45 to 55...35 to 45 in the mountains. West winds 20 to 25 mph in the afternoon. Gusts up to 35 mph. .MONDAY NIGHT...Mostly cloudy. Chance of rain and snow. Lows 30 to 40. Southwest winds 20 to 25 mph with gusts to 35 mph. .TUESDAY...Mostly cloudy. Highs 50 to 60. Southwest winds 20 to 25 mph with gusts to 40 mph. .WEDNESDAY...Partly cloudy. Lows 35 to 45. Highs 55 to 65. .THURSDAY...Partly cloudy. Lows 35 to 45. Highs 60 to 70. .FRIDAY...Partly cloudy. Lows 40 to 45. Highs 60 to 70. $$