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

EUREKA (EURM8)

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

NA

40°F

4°C

Humidity 96%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 05 Mar 02:15 AM MST
Extended Forecast for

Eureka MT

  • Overnight

    Overnight: A 50 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely, mainly after 3pm. Snow level 4000 feet. Cloudy, then gradually becoming mostly sunny, with a high near 49. Calm wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 60%.

    High: 49 °F

    Slight Chance
    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: A 10 percent chance of rain before 7pm. Snow level 3700 feet lowering to 2800 feet after midnight . Partly cloudy, with a low around 29. Light and variable wind.

    Low: 29 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow before 11am. Snow level rising to 3600 feet in the afternoon. Partly sunny, with a high near 48. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 48 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain and snow after 11pm. Snow level 3900 feet lowering to 3400 feet. Mostly cloudy, with a low around 34. West wind around 6 mph becoming south in the evening. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 8am, then a chance of rain. Mostly cloudy, with a high near 51. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 51 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 52.

    High: 52 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely before 2am, then a chance of rain and snow. Snow level 5600 feet lowering to 3200 feet after midnight . Mostly cloudy, with a low around 32.

    Low: 32 °F

    Rain Likely
    then Chance
    Rain/Snow

Detailed Forecast

Overnight
A 50 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 35. Calm wind.
Thursday
Rain likely, mainly after 3pm. Snow level 4000 feet. Cloudy, then gradually becoming mostly sunny, with a high near 49. Calm wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 60%.
Thursday Night
A 10 percent chance of rain before 7pm. Snow level 3700 feet lowering to 2800 feet after midnight . Partly cloudy, with a low around 29. Light and variable wind.
Friday
A 20 percent chance of snow before 11am. Snow level rising to 3600 feet in the afternoon. Partly sunny, with a high near 48. Calm wind becoming west southwest around 6 mph in the afternoon.
Friday Night
A chance of rain and snow after 11pm. Snow level 3900 feet lowering to 3400 feet. Mostly cloudy, with a low around 34. West wind around 6 mph becoming south in the evening. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday
A chance of rain and snow before 8am, then a chance of rain. Mostly cloudy, with a high near 51. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 39.
Sunday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 52.
Sunday Night
Rain likely before 2am, then a chance of rain and snow. Snow level 5600 feet lowering to 3200 feet after midnight . Mostly cloudy, with a low around 32.
Monday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 45.
Monday Night
A chance of snow. Mostly cloudy, with a low around 24.
Tuesday
Snow likely. Partly sunny, with a high near 40.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 21.
Wednesday
Snow likely. Mostly cloudy, with a high near 42.
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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:
1:11 am MST Mar 5, 2026
Forecast Valid:
3am MST Mar 5, 2026-6pm MDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation