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

Critical Fire Weather in the Southern Plains; Severe Storms in the Ohio Valley

Strong winds and low humidity will create elevated to critical fire weather conditions across the Southern Plains on Thursday. Strong to severe thunderstorms are forecast in the Ohio Valley late Thursday into Friday morning, with the strongest storms capable of producing very large hail, damaging winds, and a few tornadoes. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Overcast

41°F

5°C

Humidity 65%
Wind Speed SW 12 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 26 Mar 01:20 AM MDT
Extended Forecast for

Helena MT

  • Overnight

    Overnight: A chance of rain, possibly mixing with snow after 2am, then gradually ending. Mostly cloudy, with a low around 30. West wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 44. West wind 9 to 18 mph, with gusts as high as 36 mph.

    High: 44 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 22. West northwest wind 11 to 16 mph becoming light and variable in the evening. Winds could gust as high as 32 mph.

    Low: 22 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31. Southeast wind around 6 mph becoming calm in the evening.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 64. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of rain, possibly mixing with snow after 2am, then gradually ending. Mostly cloudy, with a low around 30. West wind 7 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 44. West wind 9 to 18 mph, with gusts as high as 36 mph.
Thursday Night
Mostly clear, with a low around 22. West northwest wind 11 to 16 mph becoming light and variable in the evening. Winds could gust as high as 32 mph.
Friday
Sunny, with a high near 59. Calm wind becoming southeast around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 31. Southeast wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 65. Calm wind becoming west 5 to 7 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 35. West northwest wind 5 to 8 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 64. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
A chance of rain, mainly after noon. Partly sunny, with a high near 64.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 33.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 51.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 24.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.59°N 111.98°W (Elev. 3996 ft)
Last Update:
12:32 am MDT Mar 26, 2026
Forecast Valid:
1am MDT Mar 26, 2026-6pm MDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation