National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Helena Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874.0ft.

Clear

50°F

10°C

Humidity 42%
Wind Speed SW 4 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 20 Apr 12:53 AM MDT
Extended Forecast for

Helena MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 39. Light west southwest wind.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75. Calm wind becoming northeast 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46. South wind 5 to 11 mph, with gusts as high as 22 mph.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain before noon, then showers between noon and 3pm, then showers and possibly a thunderstorm after 3pm. High near 69. Light south wind becoming southwest 12 to 17 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 80%.

    High: 69 °F

    Slight Chance
    Rain then
    Showers

  • Wednesday Night

    Wednesday Night: Rain before 3am, then rain, possibly mixed with snow. Some thunder is also possible. Low around 31. West wind 11 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 31 °F

    Showers then
    Rain/Snow

  • Thursday

    Thursday: Rain and snow, becoming all snow after 9am. Mostly cloudy, with a high near 41. North northwest wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 41 °F

    Rain/Snow
    then Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 39. Light west southwest wind.
Monday
Mostly sunny, with a high near 75. Calm wind becoming northeast 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Partly cloudy, with a low around 41. West northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 80. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 46. South wind 5 to 11 mph, with gusts as high as 22 mph.
Wednesday
A slight chance of rain before noon, then showers between noon and 3pm, then showers and possibly a thunderstorm after 3pm. High near 69. Light south wind becoming southwest 12 to 17 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 80%.
Wednesday Night
Rain before 3am, then rain, possibly mixed with snow. Some thunder is also possible. Low around 31. West wind 11 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
Rain and snow, becoming all snow after 9am. Mostly cloudy, with a high near 41. North northwest wind 10 to 15 mph, with gusts as high as 26 mph.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 25.
Friday
A chance of snow. Mostly cloudy, with a high near 42.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Partly sunny, with a high near 46.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
A slight chance of rain and snow. Partly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.61°N 111.96°W (Elev. 3796 ft)
Last Update:
12:31 am MDT Apr 20, 2026
Forecast Valid:
1am MDT Apr 20, 2026-6pm MDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation