National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

26°F

-3°C

Humidity 65%
Wind Speed NNE 5 MPH
Barometer 29.5 in (998.99 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 17 Feb 04:53 PM MST
Extended Forecast for

Helena MT

  • This Afternoon

    This Afternoon: A 20 percent chance of snow. Mostly sunny, with a steady temperature around 35. West northwest wind around 13 mph, with gusts as high as 20 mph.

    High: 35 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: A 30 percent chance of snow, mainly after 3am. Increasing clouds, with a low around 1. Wind chill values as low as -10. North northwest wind 6 to 9 mph. New snow accumulation of less than a half inch possible.

    Low: 1 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow likely, mainly after 10am. Cloudy, with a high near 7. Wind chill values as low as -15. North northwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 7 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: A chance of snow before 1am, then a slight chance of snow after 3am. Mostly cloudy, with a low around -2. Wind chill values as low as -10. North northwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.

    Low: -2 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly before 11am. Mostly sunny, with a high near 23. Light and variable wind. Little or no snow accumulation expected.

    High: 23 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 10. Light and variable wind.

    Low: 10 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 30. Calm wind becoming west 5 to 7 mph in the afternoon. Little or no snow accumulation expected.

    High: 30 °F

    Chance Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 10. Southwest wind 3 to 6 mph.

    Low: 10 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 33.

    High: 33 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of snow. Mostly sunny, with a steady temperature around 35. West northwest wind around 13 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of snow, mainly after 3am. Increasing clouds, with a low around 1. Wind chill values as low as -10. North northwest wind 6 to 9 mph. New snow accumulation of less than a half inch possible.
Wednesday
Snow likely, mainly after 10am. Cloudy, with a high near 7. Wind chill values as low as -15. North northwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
A chance of snow before 1am, then a slight chance of snow after 3am. Mostly cloudy, with a low around -2. Wind chill values as low as -10. North northwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
Thursday
A 30 percent chance of snow, mainly before 11am. Mostly sunny, with a high near 23. Light and variable wind. Little or no snow accumulation expected.
Thursday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 10. Light and variable wind.
Friday
A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 30. Calm wind becoming west 5 to 7 mph in the afternoon. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 10. Southwest wind 3 to 6 mph.
Saturday
Sunny, with a high near 33.
Saturday Night
Mostly cloudy, with a low around 12.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 21.
Monday
A chance of rain and snow. Partly sunny, with a high near 47.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 26.
Tuesday
A chance of snow. Partly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Helena MT
 46.58°N 112.04°W (Elev. 4413 ft)
Last Update:
4:18 pm MST Feb 17, 2026
Forecast Valid:
5pm MST Feb 17, 2026-6pm MST Feb 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation