Frigid Airmass to Bring Significantly Colder Temperatures; Heavy Lake-effect Snow; Fire Concerns Across the Central Gulf Coast

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Temperatures will tie or break many records across the Southeast through tonight. Moderate to heavy lake effect snow will continue downwind of the Great Lakes. Gusty winds and dry conditions will support an elevated fire weather threat across the Central Gulf Coast. Read More >

Current conditions at

HELENA (HRWM8)

Lat: 46.73167°NLon: 112.01917°WElev: 3800.0ft.

NA

51°F

11°C

Humidity 36%
Wind Speed SE 2 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 10 Nov 11:53 AM MST
Extended Forecast for

7 Miles SSE Marysville MT

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 59. West southwest wind 10 to 14 mph, with gusts as high as 32 mph.

    High: 59 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of rain between 8pm and 11pm.  Mostly cloudy, with a low around 42. West southwest wind around 15 mph, with gusts as high as 37 mph.

    Low: 42 °F

    Chance Rain
    then Mostly
    Cloudy

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 51. West southwest wind 13 to 15 mph, with gusts as high as 30 mph.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Southwest wind 5 to 7 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 55. South southwest wind 5 to 7 mph.

    High: 55 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40. South southwest wind 5 to 9 mph, with gusts as high as 18 mph.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after 11am.  Mostly sunny, with a high near 56. South wind 9 to 14 mph, with gusts as high as 25 mph.

    High: 56 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A chance of rain before 8pm, then snow likely, possibly mixed with rain.  Mostly cloudy, with a low around 34. West southwest wind 11 to 14 mph, with gusts as high as 29 mph.

    Low: 34 °F

    Rain/Snow
    Likely

  • Friday

    Friday: A chance of rain and snow before 8am, then a chance of snow.  Partly sunny, with a high near 40.

    High: 40 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

This Afternoon
Partly sunny, with a high near 59. West southwest wind 10 to 14 mph, with gusts as high as 32 mph.
Tonight
A 30 percent chance of rain between 8pm and 11pm. Mostly cloudy, with a low around 42. West southwest wind around 15 mph, with gusts as high as 37 mph.
Veterans Day
Mostly sunny, with a high near 51. West southwest wind 13 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 37. Southwest wind 5 to 7 mph.
Wednesday
Partly sunny, with a high near 55. South southwest wind 5 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 40. South southwest wind 5 to 9 mph, with gusts as high as 18 mph.
Thursday
A 20 percent chance of rain after 11am. Mostly sunny, with a high near 56. South wind 9 to 14 mph, with gusts as high as 25 mph.
Thursday Night
A chance of rain before 8pm, then snow likely, possibly mixed with rain. Mostly cloudy, with a low around 34. West southwest wind 11 to 14 mph, with gusts as high as 29 mph.
Friday
A chance of rain and snow before 8am, then a chance of snow. Partly sunny, with a high near 40.
Friday Night
A slight chance of snow. Partly cloudy, with a low around 27.
Saturday
A slight chance of snow. Mostly sunny, with a high near 39.
Saturday Night
A slight chance of snow. Partly cloudy, with a low around 31.
Sunday
A chance of rain and snow. Partly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSE Marysville MT
 46.65°N 112.24°W (Elev. 4816 ft)
9:40 am MST Nov 10, 2025
12pm MST Nov 10, 2025-6pm MST Nov 16, 2025
 
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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