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

Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

EUREKA (EURM8)

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

NA

43°F

6°C

Humidity 68%
Wind Speed E 2 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 11 Apr 02:15 AM MDT
Extended Forecast for

Eureka MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 40. East wind around 6 mph.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers likely, mainly between noon and 1pm. Mostly cloudy, with a high near 62. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers, mainly between 9pm and 3am. Mostly cloudy, with a low around 43. Light southeast wind.

    Low: 43 °F

    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers. Partly sunny, with a high near 63. Light southeast wind.

    High: 63 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly after noon. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.

    High: 60 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, mainly after noon. Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Rain Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 40. East wind around 6 mph.
Saturday
Showers likely, mainly between noon and 1pm. Mostly cloudy, with a high near 62. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 50 percent chance of showers, mainly between 9pm and 3am. Mostly cloudy, with a low around 43. Light southeast wind.
Sunday
A 50 percent chance of showers. Partly sunny, with a high near 63. Light southeast wind.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 42. Calm wind.
Monday
Showers likely, mainly after noon. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 40.
Tuesday
A chance of showers, mainly after noon. Mostly cloudy, with a high near 51.
Tuesday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 35.
Wednesday
Rain and snow, becoming all snow after 3pm. Snow level 3500 feet lowering to 3000 feet in the afternoon . Mostly cloudy, with a high near 49.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 29.
Thursday
A chance of snow. Partly sunny, with a high near 49.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 28.
Friday
A slight chance of rain and snow. Mostly sunny, with a high near 53.
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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:
2:01 am MDT Apr 11, 2026
Forecast Valid:
3am MDT Apr 11, 2026-6pm MDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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