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

21°F

-6°C

Humidity 79%
Wind Speed N 4 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 16°F (-9°C)
Visibility 1.50 mi
Wind Chill15°F (-9°C)
Last update 14 Mar 02:35 PM MDT
Extended Forecast for

Helena MT

Winter Storm Warning March 14, 02:56pm until March 14, 06:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning March 14, 02:56pm until March 14, 06:00pm

    NOW until 6:00pm Sat

    Winter Storm Warning

  • This Afternoon

    High: 35 °F

    Heavy Snow
    and Blowing
    Snow

  • Tonight

    Tonight: Snow, mainly before 2am.  Low around 7. Wind chill values as low as zero. North northwest wind 12 to 17 mph becoming light and variable  after midnight. Winds could gust as high as 33 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 7 °F

    Snow then
    Chance Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 31. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 31 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of snow after midnight.  Increasing clouds, with a low around 24. West wind around 6 mph becoming light and variable.  Little or no snow accumulation expected.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday

    Monday: Snow likely before noon, then a chance of rain.  Cloudy, with a high near 48. Southwest wind 6 to 14 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 48 °F

    Snow Likely
    then Chance
    Rain

  • Monday Night

    Monday Night: A 40 percent chance of rain before midnight.  Mostly cloudy, with a low around 42. West southwest wind around 15 mph, with gusts as high as 31 mph.

    Low: 42 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58. Southwest wind around 16 mph, with gusts as high as 36 mph.

    High: 58 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43. Southwest wind 10 to 13 mph, with gusts as high as 29 mph.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Snow, mainly after 4pm. The snow could be heavy at times. Widespread blowing snow, mainly after 4pm. High near 35. Wind chill values as low as zero. Breezy, with a west northwest wind 20 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow, mainly before 2am. Low around 7. Wind chill values as low as zero. North northwest wind 12 to 17 mph becoming light and variable after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Sunday
Mostly sunny, with a high near 31. Calm wind becoming west 5 to 7 mph in the afternoon.
Sunday Night
A 40 percent chance of snow after midnight. Increasing clouds, with a low around 24. West wind around 6 mph becoming light and variable. Little or no snow accumulation expected.
Monday
Snow likely before noon, then a chance of rain. Cloudy, with a high near 48. Southwest wind 6 to 14 mph, with gusts as high as 30 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 42. West southwest wind around 15 mph, with gusts as high as 31 mph.
Tuesday
Partly sunny, with a high near 58. Southwest wind around 16 mph, with gusts as high as 36 mph.
Tuesday Night
Mostly cloudy, with a low around 43. Southwest wind 10 to 13 mph, with gusts as high as 29 mph.
Wednesday
Partly sunny, with a high near 63.
Wednesday Night
Mostly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.58°N 112.07°W (Elev. 4764 ft)
2:47 pm MDT Mar 14, 2026
2pm MDT Mar 14, 2026-6pm MDT Mar 20, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database