Major Winter Storm in the North-Central U.S.; Severe Weather from the Mid-South to Ohio Valley

A major winter storm will bring a swath of heavy snowfall, strong winds, blizzard conditions and freezing rain to the Northern Plains into the Great Lakes region. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-south to the Ohio Valley and the Southeast. Critical fire weather concerns shift to the southern Rockies and Plains. Read More >

Current conditions at

EUREKA (EURM8)

Lat: 48.89781°NLon: 115.05836°WElev: 2632.0ft.

NA

15°F

-9°C

Humidity 85%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 11°F (-12°C)
Visibility NA
Last update 15 Mar 08:15 AM MDT
Extended Forecast for

Eureka MT

  • Today

    Today: Mostly sunny, with a high near 39. Calm wind becoming south around 6 mph in the afternoon.

    High: 39 °F

    Mostly Sunny

  • Tonight

    Tonight: A 40 percent chance of snow, mainly after midnight.  Mostly cloudy, with a low around 25. South southwest wind around 6 mph becoming light and variable.  Little or no snow accumulation expected.

    Low: 25 °F

    Chance Snow

  • Monday

    Monday: Snow likely before noon, then rain and snow likely between noon and 3pm, then rain likely after 3pm.  Snow level rising to 5100 feet in the afternoon. Mostly cloudy, with a high near 47. Southeast wind around 6 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 47 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Monday Night

    Monday Night: Rain likely, mainly before midnight.  Mostly cloudy, with a low around 40. South wind around 7 mph.  Chance of precipitation is 60%.

    Low: 40 °F

    Rain Likely

  • Tuesday

    Tuesday: A 50 percent chance of rain.  Mostly cloudy, with a high near 55. South southwest wind 6 to 8 mph, with gusts as high as 18 mph.

    High: 55 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 42. Chance of precipitation is 80%.

    Low: 42 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before noon.  Mostly cloudy, with a high near 55. Chance of precipitation is 60%.

    High: 55 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly before noon.  Mostly cloudy, with a high near 57.

    High: 57 °F

    Rain Likely

Detailed Forecast

Today
Mostly sunny, with a high near 39. Calm wind becoming south around 6 mph in the afternoon.
Tonight
A 40 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 25. South southwest wind around 6 mph becoming light and variable. Little or no snow accumulation expected.
Monday
Snow likely before noon, then rain and snow likely between noon and 3pm, then rain likely after 3pm. Snow level rising to 5100 feet in the afternoon. Mostly cloudy, with a high near 47. Southeast wind around 6 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 40. South wind around 7 mph. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 55. South southwest wind 6 to 8 mph, with gusts as high as 18 mph.
Tuesday Night
Rain. Low around 42. Chance of precipitation is 80%.
Wednesday
Rain likely, mainly before noon. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 43.
Thursday
Rain likely, mainly before noon. Mostly cloudy, with a high near 57.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 42.
Friday
A chance of rain. Partly sunny, with a high near 62.
Friday Night
A chance of rain. Mostly cloudy, with a low around 42.
Saturday
A chance of rain. Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Eureka MT
 48.88°N 115.06°W (Elev. 2818 ft)
2:01 am MDT Mar 15, 2026
8am MDT Mar 15, 2026-6pm MDT Mar 21, 2026
 
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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