NWS Forecast for Helena MT

National Weather Service Forecast for: Helena MT
Issued by: National Weather Service Great Falls, MT

Updated: 3:32 am MST Feb 2, 2026

Today Sunny then Slight Chance Rain	Tonight Slight Chance Rain/Snow then Mostly Cloudy	Tuesday Mostly Sunny	Tuesday Night Partly Cloudy	Wednesday Partly Sunny	Wednesday Night Partly Cloudy	Thursday Sunny	Thursday Night Mostly Clear	Friday Sunny
Hi 48 °F	Lo 35 °F	Hi 50 °F	Lo 32 °F	Hi 59 °F	Lo 33 °F	Hi 62 °F	Lo 30 °F	Hi 60 °F

Today	A 10 percent chance of rain after 5pm. Increasing clouds, with a high near 48. West southwest wind 9 to 11 mph, with gusts as high as 24 mph.
Tonight	A slight chance of rain and snow before 9pm. Mostly cloudy, with a low around 35. Southwest wind around 8 mph. Chance of precipitation is 20%.
Tuesday	Mostly sunny, with a high near 50. West wind 6 to 9 mph.
Tuesday Night	Partly cloudy, with a low around 32. West wind around 6 mph becoming light and variable.
Wednesday	Partly sunny, with a high near 59. West southwest wind 3 to 5 mph.
Wednesday Night	Partly cloudy, with a low around 33. Southwest wind around 6 mph.
Thursday	Sunny, with a high near 62. South southwest wind around 5 mph becoming calm in the morning.
Thursday Night	Mostly clear, with a low around 30. Light south southwest wind.
Friday	Sunny, with a high near 60.
Friday Night	Partly cloudy, with a low around 32.
Saturday	Mostly sunny, with a high near 54.
Saturday Night	Partly cloudy, with a low around 35.
Sunday	Partly sunny, with a high near 53.

Forecast from NOAA-NWS for Helena MT.