Expires:202411221100;;441702 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. MTZ319-221100- Helena Valley- Including Helena 204 PM MST Thu Nov 21 2024 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM TO 11 AM MST FRIDAY... .TONIGHT...Mostly cloudy. A 20 percent chance of rain after midnight. Lows 25 to 30. Southeast winds up to 10 mph. .FRIDAY...Mostly cloudy. Drizzle likely and slight chance of light freezing drizzle in the morning, then chance of drizzle and light freezing drizzle in the afternoon. Ice accumulation of less than one quarter of an inch. Highs 40 to 45. Northwest winds up to 5 mph. .FRIDAY NIGHT...Mostly cloudy. Slight chance of drizzle and light freezing drizzle in the evening, then snow likely, slight chance of drizzle and light freezing drizzle after midnight. Little or no snow accumulation. Lows 25 to 30. Northwest winds up to 5 mph shifting to the south after midnight. Chance of precipitation 60 percent. .SATURDAY...Rain and snow in the morning, then rain in the afternoon. Highs 40 to 45. South winds up to 10 mph shifting to the west in the afternoon. Chance of precipitation near 100 percent. .SATURDAY NIGHT...Colder. Mostly cloudy. Snow and rain likely in the evening, then chance of snow after midnight. Light snow accumulations. Lows 10 to 15. Northwest winds 5 to 15 mph. Chance of precipitation 70 percent. .SUNDAY...Colder. Mostly cloudy with a 30 percent chance of snow. Highs around 25. .SUNDAY NIGHT...Partly cloudy. Lows 5 to 10. .MONDAY...Mostly cloudy. Highs 30 to 35. .MONDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows 10 to 20. Highs 35 to 40. .WEDNESDAY...Mostly cloudy with a 20 percent chance of snow. Highs around 35. .WEDNESDAY NIGHT...Mostly cloudy with a 30 percent chance of snow. Lows 10 to 15. .THANKSGIVING DAY...Mostly cloudy with a 20 percent chance of snow. Highs around 30. && TEMPERATURE / PRECIPITATION Helena 28 42 29 42 / 20 70 50 100 $$