National Weather Service Forecast for: 5 Miles NNW Helena MT
Issued by: National Weather Service Great Falls, MT
Updated: 11:17 am MDT Mar 19, 2026
 
Today

Today: Mostly sunny, with a high near 67. West wind 14 to 21 mph, with gusts as high as 41 mph.
Mostly Sunny

Tonight

Tonight: Partly cloudy, with a low around 44. Southwest wind 7 to 15 mph, with gusts as high as 34 mph.
Partly Cloudy

Friday

Friday: Sunny, with a high near 71. Breezy, with a west wind 6 to 11 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 48 mph.
Mostly Sunny
then Sunny
and Breezy
Friday
Night
Friday Night: Partly cloudy, with a low around 44. Southwest wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 39 mph.
Partly Cloudy

Saturday

Saturday: A 40 percent chance of rain.  Partly sunny, with a high near 59. West southwest wind 8 to 17 mph, with gusts as high as 31 mph.
Chance Rain

Saturday
Night
Saturday Night: Mostly clear, with a low around 27. West wind 10 to 15 mph becoming light west southwest  after midnight. Winds could gust as high as 28 mph.
Mostly Clear

Sunday

Sunday: Sunny, with a high near 53. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Sunny

Sunday
Night
Sunday Night: Partly cloudy, with a low around 29. West wind 5 to 9 mph becoming calm  in the evening.
Partly Cloudy

Monday

Monday: Mostly cloudy, with a high near 56.
Mostly Cloudy

Hi 67 °F Lo 44 °F Hi 71 °F Lo 44 °F Hi 59 °F Lo 27 °F Hi 53 °F Lo 29 °F Hi 56 °F

 

Today
 
Mostly sunny, with a high near 67. West wind 14 to 21 mph, with gusts as high as 41 mph.
Tonight
 
Partly cloudy, with a low around 44. Southwest wind 7 to 15 mph, with gusts as high as 34 mph.
Friday
 
Sunny, with a high near 71. Breezy, with a west wind 6 to 11 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 48 mph.
Friday Night
 
Partly cloudy, with a low around 44. Southwest wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 39 mph.
Saturday
 
A 40 percent chance of rain. Partly sunny, with a high near 59. West southwest wind 8 to 17 mph, with gusts as high as 31 mph.
Saturday Night
 
Mostly clear, with a low around 27. West wind 10 to 15 mph becoming light west southwest after midnight. Winds could gust as high as 28 mph.
Sunday
 
Sunny, with a high near 53. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
 
Partly cloudy, with a low around 29. West wind 5 to 9 mph becoming calm in the evening.
Monday
 
Mostly cloudy, with a high near 56.
Monday Night
 
Mostly cloudy, with a low around 35.
Tuesday
 
A slight chance of rain. Mostly cloudy, with a high near 65.
Tuesday Night
 
A chance of rain. Mostly cloudy, with a low around 40.
Wednesday
 
A chance of rain and snow. Partly sunny, with a high near 57. Breezy.

 

Forecast from NOAA-NWS for 5 Miles NNW Helena MT.