Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

light snow,mist

10°F

-12°C

Humidity 92%
Wind Speed N 4 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 9°F (-13°C)
Visibility 2.00 mi
Wind Chill3°F (-16°C)
Last update 15 Mar 02:05 AM MDT
Extended Forecast for

5 Miles NW Helena MT

  • Overnight

    Overnight: A 20 percent chance of snow before 3am.  Mostly cloudy, with a low around 8. Calm wind.

    Low: 8 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 34. Light and variable wind becoming west northwest 8 to 13 mph in the afternoon.

    High: 34 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow after 3am.  Increasing clouds, with a low around 23. West wind around 6 mph becoming calm.  Little or no snow accumulation expected.

    Low: 23 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday

    Monday: Snow likely before noon, then rain likely.  Cloudy, with a high near 50. West southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 34 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 50 °F

    Snow Likely
    then Rain
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of rain before midnight.  Mostly cloudy, with a low around 41. Southwest wind around 15 mph, with gusts as high as 36 mph.

    Low: 41 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain.  Partly sunny, with a high near 58. Breezy, with a southwest wind 16 to 23 mph, with gusts as high as 45 mph.

    High: 58 °F

    Slight Chance
    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43. Southwest wind 10 to 14 mph, with gusts as high as 29 mph.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 64. West wind 11 to 20 mph, with gusts as high as 36 mph.

    High: 64 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow before 3am. Mostly cloudy, with a low around 8. Calm wind.
Sunday
Mostly sunny, with a high near 34. Light and variable wind becoming west northwest 8 to 13 mph in the afternoon.
Sunday Night
A 30 percent chance of snow after 3am. Increasing clouds, with a low around 23. West wind around 6 mph becoming calm. Little or no snow accumulation expected.
Monday
Snow likely before noon, then rain likely. Cloudy, with a high near 50. West southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 41. Southwest wind around 15 mph, with gusts as high as 36 mph.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 58. Breezy, with a southwest wind 16 to 23 mph, with gusts as high as 45 mph.
Tuesday Night
Mostly cloudy, with a low around 43. Southwest wind 10 to 14 mph, with gusts as high as 29 mph.
Wednesday
Partly sunny, with a high near 64. West wind 11 to 20 mph, with gusts as high as 36 mph.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 70.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
Partly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Helena MT
 46.64°N 112.12°W (Elev. 4042 ft)
12:32 am MDT Mar 15, 2026
2am MDT Mar 15, 2026-6pm MDT Mar 21, 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