Critical Fire Weather in the High Plains and Midwest; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central/southern High Plains and portions of the Midwest. Two Pacific storms will continue to bring heavy mountain snow and gusty winds to the western U.S. through Thursday. A swath of wintry weather, including heavy snow and a wintry mix, is expected from the Northern Plains to New England. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Overcast

1°F

-17°C

Humidity 61%
Wind Speed NW 14 MPH
Barometer 29.65 in (1004.06 mb)
Dewpoint -9°F (-23°C)
Visibility 10.00 mi
Wind Chill-18°F (-28°C)
Last update 18 Feb 06:53 AM MST
Extended Forecast for

Helena MT

  • Today

    Today: Snow likely, mainly after 1pm.  Cloudy, with a high near 7. Wind chill values as low as -15. North northwest wind around 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 7 °F

    Chance Snow
    then Snow
    Likely

  • Tonight

    Tonight: A chance of snow before 11pm, then a slight chance of snow after midnight.  Mostly cloudy, with a low around -5. Wind chill values as low as -10. West northwest wind 3 to 8 mph.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: -5 °F

    Chance Snow
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow before 11am.  Mostly cloudy, then gradually becoming sunny, with a high near 25. Wind chill values as low as -5. Calm wind.

    High: 25 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 7. Calm wind.

    Low: 7 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow after 11am.  Partly sunny, with a high near 32. Calm wind becoming west around 6 mph in the afternoon.

    High: 32 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 11. West wind around 5 mph becoming light and variable  in the evening.

    Low: 11 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 34. Light and variable wind.

    High: 34 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 10. Light and variable wind.

    Low: 10 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

Detailed Forecast

Today
Snow likely, mainly after 1pm. Cloudy, with a high near 7. Wind chill values as low as -15. North northwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
A chance of snow before 11pm, then a slight chance of snow after midnight. Mostly cloudy, with a low around -5. Wind chill values as low as -10. West northwest wind 3 to 8 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Thursday
A 20 percent chance of snow before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 25. Wind chill values as low as -5. Calm wind.
Thursday Night
Partly cloudy, with a low around 7. Calm wind.
Friday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 32. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 11. West wind around 5 mph becoming light and variable in the evening.
Saturday
Sunny, with a high near 34. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 10. Light and variable wind.
Sunday
Partly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 48.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 27.
Tuesday
A chance of snow. Partly sunny, with a high near 44.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.58°N 112.01°W (Elev. 4111 ft)
6:57 am MST Feb 18, 2026
7am MST Feb 18, 2026-6pm MST Feb 24, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database