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

45°F

7°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 29.69 in (1005.42 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 12 Apr 11:05 PM MDT
Extended Forecast for

Helena MT

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between midnight and 2am. Patchy fog. Otherwise, mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: A 50 percent chance of rain, mainly between 10am and 5pm. Partly sunny, with a high near 56. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 26 mph.

    High: 56 °F

    Chance Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 36. West wind 6 to 13 mph, with gusts as high as 26 mph.

    Low: 36 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. West wind 5 to 14 mph, with gusts as high as 28 mph.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. West wind 6 to 15 mph, with gusts as high as 30 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly after noon. Mostly cloudy, with a high near 56. West southwest wind 5 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

    High: 56 °F

    Slight Chance
    Rain then
    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain before 9pm, then rain and snow between 9pm and midnight, then snow likely after midnight. Low around 28. West wind 7 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Rain/Snow
    then Snow
    Likely

  • Thursday

    Thursday: Snow likely. Mostly cloudy, with a high near 40. West northwest wind 7 to 15 mph, with gusts as high as 29 mph.

    High: 40 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A slight chance of snow before midnight. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly between midnight and 2am. Patchy fog. Otherwise, mostly cloudy, with a low around 36. Calm wind.
Monday
A 50 percent chance of rain, mainly between 10am and 5pm. Partly sunny, with a high near 56. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 26 mph.
Monday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 36. West wind 6 to 13 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 58. West wind 5 to 14 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 37. West wind 6 to 15 mph, with gusts as high as 30 mph.
Wednesday
Rain likely, mainly after noon. Mostly cloudy, with a high near 56. West southwest wind 5 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Wednesday Night
Rain before 9pm, then rain and snow between 9pm and midnight, then snow likely after midnight. Low around 28. West wind 7 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday
Snow likely. Mostly cloudy, with a high near 40. West northwest wind 7 to 15 mph, with gusts as high as 29 mph.
Thursday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around 23.
Friday
A chance of snow, mainly after noon. Mostly sunny, with a high near 46.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.58°N 112.01°W (Elev. 4111 ft)
Last Update:
9:37 pm MDT Apr 12, 2026
Forecast Valid:
11pm MDT Apr 12, 2026-6pm MDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation