Helena Airport (HLN) Weather 12/08/2025
Tonight
18
Chance Snow then Mostly Cloudy
Tuesday
35
Increasing Clouds
Tuesday Night
24
Chance Snow
Wednesday
41
Chance Snow then Mostly Cloudy
Wednesday Night
28
Chance Rain/Snow
Thanksgiving Day
41
Rain/Snow Likely
Thursday Night
24
Rain/Snow Likely
Friday
33
Snow Likely
Friday Night
13
Chance Snow
Saturday
25
Chance Snow
Saturday Night
6
Chance Snow
Sunday
22
Chance Snow then Partly Sunny
Sunday Night
9
Mostly Cloudy
Weekly Forecast
Tonight
A 50 percent chance of snow, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 18. West wind 16 to 21 mph becoming light and variable after midnight. Winds could gust as high as 37 mph. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Increasing clouds, with a high near 35. Calm wind.
Tuesday Night
A 30 percent chance of snow after 11pm. Cloudy, with a low around 24. Light south wind. Little or no snow accumulation expected.
Wednesday
A 30 percent chance of snow before 11am. Mostly cloudy, with a high near 41. Light south southwest wind. Little or no snow accumulation expected.
Wednesday Night
A chance of rain and snow after 11pm. Mostly cloudy, with a low around 28. Light south wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Thanksgiving Day
Rain and snow likely, mainly before 11am. Mostly cloudy, with a high near 41. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 24. West southwest wind around 6 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 33. Northwest wind 5 to 7 mph.
Friday Night
A chance of snow. Mostly cloudy, with a low around 13.
Saturday
A chance of snow. Mostly cloudy, with a high near 25.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 6.
Sunday
A chance of snow. Partly sunny, with a high near 22.
Sunday Night
Mostly cloudy, with a low around 9.