Helena Airport (HLN) Weather 08/25/2025
This Afternoon
91
Slight Chance T-storms
Tonight
56
Chance T-storms then Haze
Thursday
84
Sunny
Thursday Night
53
Haze then Mostly Clear
Friday
79
Sunny
Friday Night
50
Mostly Clear
Saturday
84
Sunny
Saturday Night
52
Mostly Clear
Sunday
85
Mostly Sunny
Sunday Night
54
Partly Cloudy
Monday
85
Mostly Sunny
Monday Night
54
Partly Cloudy
Tuesday
86
Sunny
Weekly Forecast
This Afternoon
A 20 percent chance of showers and thunderstorms. Widespread haze. Mostly sunny, with a high near 91. West northwest wind 10 to 13 mph, with gusts as high as 22 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Widespread haze before 8pm, then widespread haze after midnight. Areas of smoke before 7pm. Partly cloudy, with a low around 56. West northwest wind 9 to 14 mph becoming light west southwest after midnight. Winds could gust as high as 22 mph.
Thursday
Sunny, with a high near 84. Calm wind becoming north northeast 5 to 8 mph in the afternoon.
Thursday Night
Widespread haze between 7pm and 9pm. Mostly clear, with a low around 53. North wind 6 to 9 mph becoming west northwest after midnight.
Friday
Sunny, with a high near 79. North wind 6 to 14 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 50. North wind 9 to 14 mph becoming light northwest after midnight. Winds could gust as high as 24 mph.
Saturday
Sunny, with a high near 84. Calm wind becoming northeast 5 to 8 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 52. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Sunny, with a high near 86.