Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Arctic Air Plunges into the Great Lakes, Northeast and Mid-Atlantic

Arctic air dropping through the northern and eastern U.S. and a storm off the east coast will bring periods of snow, very cold wind chills and hazardous traveling conditions from the Upper Great Lakes to the Northeast. Meanwhile in southern California, Santa Ana winds will decrease but hot, dry air will remain over the area with elevated fire weather conditions. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Fair

21°F

-6°C

Humidity 79%
Wind Speed calm
Barometer 30.26 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 13 Dec 2:35 am MST
Extended Forecast for

11 Miles ENE East Helena MT

  • Overnight

    Overnight: A 20 percent chance of snow.  Mostly cloudy, with a low around 26. Light and variable wind.

    Slight Chance
    Snow

    Low: 26 °F

  • Wednesday

    Wednesday: A 40 percent chance of snow.  Cloudy, with a high near 32. Light and variable wind becoming west around 5 mph.  New snow accumulation of less than a half inch possible.

    Chance Snow

    High: 32 °F

  • Wednesday
    Night

    Wednesday Night: Patchy fog after midnight.  Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 9. Calm wind becoming northeast around 5 mph.

    Mostly Cloudy
    then Patchy
    Fog

    Low: 9 °F

  • Thursday

    Thursday: Patchy fog before 10am.  Otherwise, sunny, with a high near 27. Light south wind.

    Patchy Fog
    then Sunny

    High: 27 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 15. South wind 3 to 5 mph.

    Partly Cloudy

    Low: 15 °F

  • Friday

    Friday: A 30 percent chance of rain after 5pm.  Partly sunny, with a high near 39.

    Partly Sunny
    then Chance
    Rain

    High: 39 °F

  • Friday
    Night

    Friday Night: A chance of rain before 8pm, then a chance of rain and snow between 8pm and 9pm, then a chance of snow after 9pm.  Mostly cloudy, with a low around 26. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Chance
    Rain/Snow
    then Chance
    Snow

    Low: 26 °F

  • Saturday

    Saturday: A chance of snow before 11am.  Mostly cloudy, with a high near 38.

    Chance Snow
    then Partly
    Sunny

    High: 38 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 24.

    Partly Cloudy

    Low: 24 °F

Detailed Forecast

Overnight
A 20 percent chance of snow. Mostly cloudy, with a low around 26. Light and variable wind.
Wednesday
A 40 percent chance of snow. Cloudy, with a high near 32. Light and variable wind becoming west around 5 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
Patchy fog after midnight. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 9. Calm wind becoming northeast around 5 mph.
Thursday
Patchy fog before 10am. Otherwise, sunny, with a high near 27. Light south wind.
Thursday Night
Partly cloudy, with a low around 15. South wind 3 to 5 mph.
Friday
A 30 percent chance of rain after 5pm. Partly sunny, with a high near 39.
Friday Night
A chance of rain before 8pm, then a chance of rain and snow between 8pm and 9pm, then a chance of snow after 9pm. Mostly cloudy, with a low around 26. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday
A chance of snow before 11am. Mostly cloudy, with a high near 38.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 40.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 30.
Monday
A slight chance of rain and snow. Mostly cloudy, with a high near 41.
Monday Night
A chance of snow. Mostly cloudy, with a low around 27.
Tuesday
A chance of snow. Mostly cloudy, with a high near 39.
Click Map For Forecast
Point Forecast:
11 Miles ENE East Helena MT
 46.65°N 111.72°W (Elev. 3799 ft)
8:31 pm MST Dec 12, 2017
3am MST Dec 13, 2017-6pm MST Dec 19, 2017
 
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