Thunder Rapids, MT 7-Day Night Weather Forecast
Quick Weather Clicks
Sun & Moon
Weather Quote O' the Day


Thunder Rapids, MT Weather Forecast


Thunder Rapids, MT Weather Forecast Date: 350 AM MDT Sun Sep 13 2026
or toggle through each period.
Today... Mostly sunny. Highs in the upper 50s. South winds 10 to 20 mph.
Tonight... Mostly clear in the evening, then rain showers likely overnight. Mostly cloudy with chance of snow showers after 3 am. No snow accumulation. Lows in the mid 30s. West winds 10 to 20 mph. Chance of precipitation 60%.
Monday... Mostly cloudy. A 20% chance of snow showers in the morning. Colder. Highs in the lower 40s. West winds 15 to 25 mph with gusts to around 45 mph.
Monday Night... Partly cloudy. Lows in the lower 30s. Northwest winds 10 to 20 mph in the evening becoming northeast 5 to 10 mph overnight.
Tuesday... Sunny. Highs in the lower 50s. Southeast winds 5 to 15 mph.
Tuesday Night... Partly cloudy. Lows in the mid 30s.
Wednesday... Mostly sunny. Highs in the upper 40s.
Wednesday Night... Mostly clear. Lows in the mid 30s.
Thursday... Sunny. Highs in the mid 50s.
Thursday Night... Partly cloudy. Slight chance of rain showers in the evening, then chance of rain showers overnight. Lows in the upper 30s. Chance of precipitation 30%.
Friday... Mostly sunny. A 20% chance of rain showers in the morning. Highs in the mid 50s.
Friday Night... Mostly clear. Lows around 40.
Weather World