National Weather Service Forecast for: 6 Miles N Helena MT
Issued by: National Weather Service Great Falls, MT
Updated: 7:41 pm MDT Jun 18, 2026
 
Tonight

Tonight: Mostly clear, with a low around 43. North wind 8 to 13 mph becoming light north northwest after midnight. Winds could gust as high as 23 mph.
Mostly Clear

 Juneteenth

Juneteenth: Partly sunny, with a high near 78. Calm wind becoming northeast around 6 mph in the afternoon.
Partly Sunny

 Friday
Night
Friday Night: Mostly cloudy, with a low around 46. North wind 5 to 7 mph becoming calm after midnight.
Mostly Cloudy

 Saturday

Saturday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Partly Sunny
then Slight
Chance
T-storms
 Saturday
Night
Saturday Night: A 30 percent chance of showers before midnight. Partly cloudy, with a low around 49. West wind 5 to 9 mph.
Chance
Showers then
Partly Cloudy
 Sunday

Sunday: Sunny, with a high near 76. Light west northwest wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Sunny

 Sunday
Night
Sunday Night: Partly cloudy, with a low around 44. North northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 31 mph.
Partly Cloudy

 Monday

Monday: Sunny, with a high near 72. Light north wind increasing to 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 42.
Mostly Clear
Lo 43 °F Hi 78 °F Lo 46 °F Hi 83 °F Lo 49 °F Hi 76 °F Lo 44 °F Hi 72 °F Lo 42 °F

 

Tonight
 
 Mostly clear, with a low around 43. North wind 8 to 13 mph becoming light north northwest after midnight. Winds could gust as high as 23 mph.
Juneteenth
 
 Partly sunny, with a high near 78. Calm wind becoming northeast around 6 mph in the afternoon.
Friday Night
 
 Mostly cloudy, with a low around 46. North wind 5 to 7 mph becoming calm after midnight.
Saturday
 
 A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
 
 A 30 percent chance of showers before midnight. Partly cloudy, with a low around 49. West wind 5 to 9 mph.
Sunday
 
 Sunny, with a high near 76. Light west northwest wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
 
 Partly cloudy, with a low around 44. North northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 31 mph.
Monday
 
 Sunny, with a high near 72. Light north wind increasing to 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
 
 Mostly clear, with a low around 42.
Tuesday
 
 Sunny, with a high near 82.
Tuesday Night
 
 Mostly clear, with a low around 47.
Wednesday
 
 A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Wednesday Night
 
 Partly cloudy, with a low around 50.
Thursday
 
 Sunny, with a high near 88.

 

Forecast from NOAA-NWS for 6 Miles N Helena MT.