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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

EUREKA (EURM8)

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

NA

29°F

-2°C

Humidity 84%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 09 Jan 10:15 PM MST
Extended Forecast for

Eureka MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 40. Light southeast wind.

    High: 40 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 25. Light southeast wind.

    Low: 25 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A slight chance of snow between 11am and 2pm, then a slight chance of rain after 2pm. Mostly cloudy, with a high near 41. Light south wind. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of rain and snow between 11pm and 2am, then a chance of rain, snow, and freezing rain after 2am. Snow level 3500 feet. Mostly cloudy, with a low around 33. South wind 3 to 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance Wintry
    Mix

  • Monday

    Monday: Rain and snow likely, possibly mixed with freezing rain, becoming all rain after 11am. Snow level 3400 feet rising to 4500 feet in the afternoon. Mostly cloudy, with a high near 44. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 44 °F

    Wintry Mix
    Likely then
    Rain Likely

  • Monday Night

    Monday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

  • Tuesday

    Tuesday: A slight chance of rain before 11am. Mostly cloudy, with a high near 47.

    High: 47 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 25. Calm wind.
Saturday
Partly sunny, with a high near 40. Light southeast wind.
Saturday Night
Increasing clouds, with a low around 25. Light southeast wind.
Sunday
A slight chance of snow between 11am and 2pm, then a slight chance of rain after 2pm. Mostly cloudy, with a high near 41. Light south wind. Chance of precipitation is 20%.
Sunday Night
A chance of rain and snow between 11pm and 2am, then a chance of rain, snow, and freezing rain after 2am. Snow level 3500 feet. Mostly cloudy, with a low around 33. South wind 3 to 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday
Rain and snow likely, possibly mixed with freezing rain, becoming all rain after 11am. Snow level 3400 feet rising to 4500 feet in the afternoon. Mostly cloudy, with a high near 44. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 37.
Tuesday
A slight chance of rain before 11am. Mostly cloudy, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 36.
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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:
1:01 pm MST Jan 9, 2026
Forecast Valid:
10pm MST Jan 9, 2026-6pm MST Jan 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation