Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. Read More >

Current conditions at

HELENA VALLEY (HVMT)

Lat: 46.67917°NLon: 111.98333°WElev: 3673.0ft.

NA

47°F

8°C

Humidity 39%
Wind Speed SSE 4 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 20 Mar 02:00 AM MDT
Extended Forecast for

6 Miles NNW Helena MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 45. West southwest wind around 9 mph.

    Low: 45 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73. Breezy, with a south southwest wind 8 to 13 mph becoming west 19 to 29 mph in the morning. Winds could gust as high as 49 mph.

    High: 73 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44. Breezy, with a southwest wind 17 to 22 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 40 mph.

    Low: 44 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Saturday

    Saturday: A 40 percent chance of rain, mainly between noon and 4pm.  Partly sunny, with a high near 62. Breezy, with a west wind 9 to 14 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 44 mph.

    High: 62 °F

    Mostly Sunny
    then Chance
    Rain and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. Blustery, with a west southwest wind 19 to 24 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 41 mph.

    Low: 28 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 51. West southwest wind 6 to 11 mph, with gusts as high as 23 mph.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. West wind 8 to 13 mph becoming light southwest  after midnight. Winds could gust as high as 21 mph.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 55. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 55 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 45. West southwest wind around 9 mph.
Friday
Mostly sunny, with a high near 73. Breezy, with a south southwest wind 8 to 13 mph becoming west 19 to 29 mph in the morning. Winds could gust as high as 49 mph.
Friday Night
Partly cloudy, with a low around 44. Breezy, with a southwest wind 17 to 22 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 40 mph.
Saturday
A 40 percent chance of rain, mainly between noon and 4pm. Partly sunny, with a high near 62. Breezy, with a west wind 9 to 14 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 44 mph.
Saturday Night
Mostly clear, with a low around 28. Blustery, with a west southwest wind 19 to 24 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 41 mph.
Sunday
Sunny, with a high near 51. West southwest wind 6 to 11 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 30. West wind 8 to 13 mph becoming light southwest after midnight. Winds could gust as high as 21 mph.
Monday
Mostly cloudy, with a high near 55. Calm wind becoming west 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
A slight chance of rain after noon. Mostly cloudy, with a high near 61.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 44.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 59. Breezy.
Wednesday Night
A slight chance of rain and snow. Partly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Helena MT
 46.68°N 112.09°W (Elev. 4806 ft)
12:32 am MDT Mar 20, 2026
3am MDT Mar 20, 2026-6pm MDT Mar 26, 2026
 
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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