Helena Airport (HLN) Weather 06/23/2026
Today
73
Mostly Sunny then Chance Showers
Tonight
44
Showers Likely
Saturday
63
Slight Chance Showers then Mostly Sunny
Saturday Night
40
Partly Cloudy
Sunday
73
Sunny
Sunday Night
44
Mostly Clear
Monday
79
Mostly Sunny
Monday Night
53
Mostly Cloudy
Tuesday
84
Partly Sunny then Mostly Sunny and Breezy
Tuesday Night
53
Mostly Clear and Breezy then Mostly Clear
Wednesday
76
Sunny then Sunny and Breezy
Wednesday Night
46
Partly Cloudy
Thursday
76
Sunny
Weekly Forecast
Today
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 73. Light west wind becoming northwest 13 to 18 mph in the morning. Winds could gust as high as 28 mph.
Tonight
Showers and thunderstorms likely before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 44. North northwest wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 60%.
Saturday
A slight chance of showers between 8am and 9am. Partly sunny, with a high near 63. North wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 40. North wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 73. Calm wind becoming north northeast around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 44. North wind 5 to 9 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 79. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 53. West northwest wind 5 to 9 mph becoming southwest after midnight. Winds could gust as high as 18 mph.
Tuesday
Mostly sunny, with a high near 84. Breezy.
Tuesday Night
Mostly clear, with a low around 53. Breezy.
Wednesday
Sunny, with a high near 76. Breezy.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Sunny, with a high near 76.