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

Record Heat Remains in Place This Week; Precipitation and Windy Conditions in the Northwest

Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and spread across the central U.S. for the middle of the week. High temperatures will approach 90 from Texas to the Ohio Valley. A moist frontal system will bring lowland rain, high elevation mountain snow, and breezy winds to the Pacific Northwest into the Northern Rockies through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

50°F

10°C

Humidity 27%
Wind Speed WSW 10 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 23 Mar 09:05 PM MDT
Extended Forecast for

Helena MT

Fire Weather Watch March 25, 12:00pm until March 25, 09:00pm
Click here for hazard details and duration
Fire Weather Watch

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 67. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 67 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 43. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 43 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 63. South southwest wind 6 to 11 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 63 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain before midnight, then a chance of rain and snow between midnight and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 28. West northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 28 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Thursday

    Thursday: A 20 percent chance of snow showers before noon. Mostly sunny, with a high near 47. West northwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 47 °F

    Slight Chance
    Snow Showers
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 21. West northwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 30 mph.

    Low: 21 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56. Calm wind becoming east southeast around 6 mph in the afternoon.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 37. Calm wind.
Tuesday
Partly sunny, with a high near 67. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 43. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Wednesday
Partly sunny, with a high near 63. South southwest wind 6 to 11 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 36 mph.
Wednesday Night
A slight chance of rain before midnight, then a chance of rain and snow between midnight and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 28. West northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday
A 20 percent chance of snow showers before noon. Mostly sunny, with a high near 47. West northwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph.
Thursday Night
Mostly clear, with a low around 21. West northwest wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 30 mph.
Friday
Sunny, with a high near 56. Calm wind becoming east southeast around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 26.
Saturday
Partly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 37.
Monday
A slight chance of rain. Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.61°N 111.96°W (Elev. 3796 ft)
Last Update:
4:06 pm MDT Mar 23, 2026
Forecast Valid:
9pm MDT Mar 23, 2026-6pm MDT Mar 30, 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