Expires:202411221100;;441695 FPUS55 KTFX 212104 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 204 PM MST Thu Nov 21 2024 Spot temperatures and probabilities of measurable precipitation are for tonight, Friday, Friday night, and Saturday. MTZ312-221100- Cascade County below 5000ft- Including Great Falls 204 PM MST Thu Nov 21 2024 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM TO 11 PM MST FRIDAY... ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM SATURDAY TO 5 AM MST SUNDAY... .TONIGHT...Mostly cloudy with a 20 percent chance of rain, light freezing drizzle and snow. Lows around 20. North winds up to 10 mph. .FRIDAY...Colder. Chance of snow with possible freezing rain and freezing drizzle in the morning, then snow with possible freezing rain and freezing drizzle in the afternoon. Snow accumulation up to 1 inch. Ice accumulation of less than one quarter of an inch. Highs 25 to 30. Northeast winds up to 10 mph. Chance of precipitation near 100 percent. .FRIDAY NIGHT...Cloudy. Chance of snow, light freezing rain and slight chance of light freezing drizzle in the evening, then snow likely and slight chance of light freezing drizzle after midnight. Little or no snow accumulation. Ice accumulation of less than one quarter of an inch. Lows 20 to 25. Northeast winds up to 5 mph. Chance of precipitation 70 percent. .SATURDAY...Snow. Light snow accumulations. Highs 25 to 35. Northeast winds up to 10 mph shifting to the northwest in the afternoon. Chance of snow near 100 percent. .SATURDAY NIGHT...Colder. Mostly cloudy. Snow likely in the evening, then chance of snow after midnight. Light snow accumulations. Lows 5 to 10. Northwest winds 5 to 15 mph. Chance of snow 70 percent. .SUNDAY...Colder. Mostly cloudy with a 40 percent chance of snow. Highs 15 to 20. .SUNDAY NIGHT AND MONDAY...Mostly cloudy. Lows zero to 5 above zero. Highs 20 to 30. .MONDAY NIGHT...Mostly cloudy. Lows 10 to 15. .TUESDAY...Not as cold. Sunny. Highs 35 to 40. .TUESDAY NIGHT...Partly cloudy. Lows 15 to 20. .WEDNESDAY...Partly cloudy with a 20 percent chance of snow. Highs 30 to 35. .WEDNESDAY NIGHT AND THANKSGIVING DAY...Colder. Mostly cloudy with a 20 percent chance of snow. Lows 5 to 10. Highs 20 to 25. && TEMPERATURE / PRECIPITATION Great Falls Arpt 20 27 21 28 / 20 80 60 100 $$