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

57°F

14°C

Humidity 34%
Wind Speed WSW 2 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 09 Apr 08:15 PM MDT
Extended Forecast for

Eureka MT

  • Tonight

    Tonight: Mostly clear, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 67. Calm wind becoming north around 6 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41. North wind 5 to 8 mph becoming calm.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of rain after noon. Partly sunny, with a high near 66. Light and variable wind becoming west 5 to 10 mph in the morning.

    High: 66 °F

    Partly Sunny
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 43. Light south southeast wind.

    Low: 43 °F

    Chance Rain

  • Sunday

    Sunday: A 50 percent chance of rain. Partly sunny, with a high near 62.

    High: 62 °F

    Chance Rain

  • Sunday Night

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

    Low: 39 °F

    Chance Rain

  • Monday

    Monday: Rain likely, mainly after noon. Partly sunny, with a high near 59.

    High: 59 °F

    Rain Likely

  • Monday Night

    Monday Night: A chance of rain, mainly before midnight. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 33. Calm wind.
Friday
Mostly sunny, with a high near 67. Calm wind becoming north around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 41. North wind 5 to 8 mph becoming calm.
Saturday
A 40 percent chance of rain after noon. Partly sunny, with a high near 66. Light and variable wind becoming west 5 to 10 mph in the morning.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 43. Light south southeast wind.
Sunday
A 50 percent chance of rain. Partly sunny, with a high near 62.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 39.
Monday
Rain likely, mainly after noon. Partly sunny, with a high near 59.
Monday Night
A chance of rain, mainly before midnight. Mostly cloudy, with a low around 39.
Tuesday
A chance of rain, mainly after noon. Partly sunny, with a high near 52.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 36.
Wednesday
Rain and snow. Snow level 3500 feet. Mostly cloudy, with a high near 50.
Wednesday Night
A chance of rain and snow. Snow level 3500 feet lowering to 2800 feet after midnight . Mostly cloudy, with a low around 29.
Thursday
A chance of rain and snow. Partly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Eureka MT
 48.88°N 115.06°W (Elev. 2818 ft)
Last Update:
2:00 pm MDT Apr 9, 2026
Forecast Valid:
8pm MDT Apr 9, 2026-6pm MDT Apr 16, 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