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

Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

EUREKA (EURM8)

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

NA

19°F

-7°C

Humidity 89%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility NA
Last update 27 Jan 08:15 AM MST
Extended Forecast for

Eureka MT

  • Today

    Today: Mostly sunny, with a high near 32. Calm wind.

    High: 32 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 22. Calm wind.

    Low: 22 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 37. Calm wind.

    High: 37 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: A chance of snow before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm. Snow level rising to 3800 feet in the afternoon. Cloudy, with a high near 39. Calm wind. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 39 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance Rain

  • Friday

    Friday: Rain likely, mainly after 11am. Cloudy, with a high near 42. Chance of precipitation is 60%.

    High: 42 °F

    Rain Likely

  • Friday Night

    Friday Night: A chance of rain before 8pm, then a chance of rain or freezing rain. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    Rain/Freezing
    Rain

  • Saturday

    Saturday: A slight chance of rain or freezing rain before 8am, then a slight chance of rain between 8am and 11am. Mostly cloudy, with a high near 44.

    High: 44 °F

    Slight Chance
    Rain/Freezing
    Rain then
    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 32. Calm wind.
Tonight
Increasing clouds, with a low around 22. Calm wind.
Wednesday
Mostly cloudy, with a high near 37. Calm wind.
Wednesday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 27. Calm wind.
Thursday
A chance of snow before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm. Snow level rising to 3800 feet in the afternoon. Cloudy, with a high near 39. Calm wind. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 32.
Friday
Rain likely, mainly after 11am. Cloudy, with a high near 42. Chance of precipitation is 60%.
Friday Night
A chance of rain before 8pm, then a chance of rain or freezing rain. Mostly cloudy, with a low around 35.
Saturday
A slight chance of rain or freezing rain before 8am, then a slight chance of rain between 8am and 11am. Mostly cloudy, with a high near 44.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Mostly cloudy, with a high near 44.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 32.
Monday
A chance of rain. Mostly cloudy, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Eureka MT
 48.88°N 115.06°W (Elev. 2818 ft)
Last Update:
3:58 am MST Jan 27, 2026
Forecast Valid:
8am MST Jan 27, 2026-6pm MST Feb 2, 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