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

54°F

12°C

Humidity 85%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 01 Oct 07:15 PM MDT
Extended Forecast for

Eureka MT

  • Tonight

    Tonight: Showers likely, mainly between midnight and 3am. Mostly cloudy, with a low around 42. South southeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 60%.

    Low: 42 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers before 11am, then a chance of showers after 4pm. Mostly cloudy, with a high near 66. Calm wind. Chance of precipitation is 30%.

    High: 66 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 67. Light west northwest wind.

    High: 67 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. West wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after noon. Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance
    Showers

  • Sunday

    Sunday: Widespread frost, mainly before 9am. Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Widespread frost after 1am. Otherwise, mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear
    then Frost

Detailed Forecast

Tonight
Showers likely, mainly between midnight and 3am. Mostly cloudy, with a low around 42. South southeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 60%.
Thursday
A chance of showers before 11am, then a chance of showers after 4pm. Mostly cloudy, with a high near 66. Calm wind. Chance of precipitation is 30%.
Thursday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 39. Calm wind.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 67. Light west northwest wind.
Friday Night
Partly cloudy, with a low around 37. West wind around 5 mph becoming calm in the evening.
Saturday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 63.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 33.
Sunday
Widespread frost, mainly before 9am. Otherwise, mostly sunny, with a high near 60.
Sunday Night
Widespread frost after 1am. Otherwise, mostly clear, with a low around 29.
Monday
Widespread frost, mainly before 10am. Otherwise, sunny, with a high near 63.
Monday Night
Widespread frost. Otherwise, clear, with a low around 31.
Tuesday
Widespread frost. Otherwise, sunny, with a high near 67.
Tuesday Night
Widespread frost. Otherwise, clear, with a low around 33.
Wednesday
Widespread frost. Otherwise, sunny, with a high near 68.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Eureka MT
 48.88°N 115.06°W (Elev. 2818 ft)
Last Update:
2:31 pm MDT Oct 1, 2025
Forecast Valid:
7pm MDT Oct 1, 2025-6pm MDT Oct 8, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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