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Wintry, Windy, and Cold in the West and North; Warming in the East

A deepening trough along the west will bring much below normal temperatures, and the potential for snow to sea-level in the Pacific Northwest, and low elevation snows throughout California, including into the Grapevine. Travel will be hazardous across the west due to snow and strong winds. These winds will also increase fire weather threats in the central and southern Plains. Warming in the east. Read More >

Current conditions at

Helena Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874ft.

Lt Snow, Fog

28°F

-2°C

Humidity 100%
Wind Speed W 3 MPH
Barometer 29.40 in
Dewpoint 28°F (-2°C)
Visibility 2.50 mi
Last update 17 Feb 8:20 pm MST
Extended Forecast for

Helena MT

Winter Weather Advisory until February 19, 05:00am
Winter Storm Warning until February 19, 05:00am
Click here for hazard details and duration
Winter Weather Advisory
Winter Storm Warning
  •  
    Winter Weather Advisory until February 19, 05:00am
    Winter Storm Warning until February 19, 05:00am

    NOW: Multiple
    hazards in effect

    Click HERE for Details

  • Tonight

    Tonight: Snow.  Patchy blowing snow before 1am, then patchy blowing snow after 5am. Low around 8. Wind chill values as low as -5. West wind 11 to 20 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. Total nighttime snow accumulation of 2 to 4 inches possible.

    Snow and
    Patchy
    Blowing Snow

    Low: 8 °F

  • Sunday

    Sunday: Snow likely.  Patchy blowing snow before noon, then patchy blowing snow after 1pm. Cloudy, with a temperature falling to around 3 by 5pm. Wind chill values as low as -16. North wind 14 to 20 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Snow Likely
    and Patchy
    Blowing Snow

    High: 11 °F

  • Sunday
    Night

    Sunday Night: Snow likely, mainly before 11pm.  Patchy blowing snow before 11pm. Cloudy, with a low around -12. Wind chill values as low as -24. North northwest wind 7 to 15 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Snow Likely
    and Patchy
    Blowing Snow

    Low: -12 °F

  • Washington's
    Birthday

    Washington's Birthday: A 30 percent chance of snow, mainly before 11am.  Mostly cloudy and cold, with a high near 1. Wind chill values as low as -25. North wind around 6 mph.  Little or no snow accumulation expected.

    Chance Snow

    High: 1 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of snow before 11pm.  Mostly cloudy, with a low around -20. Light and variable wind.

    Slight Chance
    Snow then
    Partly Cloudy

    Low: -20 °F

  • Tuesday

    Tuesday: Mostly sunny and cold, with a high near 8.

    Cold

    High: 8 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around -11.

    Partly Cloudy

    Low: -11 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 18.

    Mostly Sunny

    High: 18 °F

Detailed Forecast

Tonight
Snow. Patchy blowing snow before 1am, then patchy blowing snow after 5am. Low around 8. Wind chill values as low as -5. West wind 11 to 20 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 2 to 4 inches possible.
Sunday
Snow likely. Patchy blowing snow before noon, then patchy blowing snow after 1pm. Cloudy, with a temperature falling to around 3 by 5pm. Wind chill values as low as -16. North wind 14 to 20 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Snow likely, mainly before 11pm. Patchy blowing snow before 11pm. Cloudy, with a low around -12. Wind chill values as low as -24. North northwest wind 7 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Washington's Birthday
A 30 percent chance of snow, mainly before 11am. Mostly cloudy and cold, with a high near 1. Wind chill values as low as -25. North wind around 6 mph. Little or no snow accumulation expected.
Monday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around -20. Light and variable wind.
Tuesday
Mostly sunny and cold, with a high near 8.
Tuesday Night
Partly cloudy, with a low around -11.
Wednesday
Mostly sunny, with a high near 18.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 4.
Thursday
A slight chance of snow. Mostly cloudy, with a high near 26.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 9.
Friday
A slight chance of snow. Partly sunny, with a high near 30.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 13.
Saturday
A slight chance of snow. Partly sunny, with a high near 31.
Click Map For Forecast
Point Forecast:
Helena MT
 46.61°N 111.99°W (Elev. 3878 ft)
8:06 pm MST Feb 17, 2018
8pm MST Feb 17, 2018-6pm MST Feb 24, 2018
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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