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

47°F

8°C

Humidity 85%
Wind Speed WSW 1 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 11 Apr 10:15 PM MDT
Extended Forecast for

Eureka MT

  • Tonight

    Tonight: A 50 percent chance of rain. Mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Chance Rain

  • Sunday

    Sunday: A 50 percent chance of rain. Partly sunny, with a high near 64. Light and variable wind.

    High: 64 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Chance Rain

  • Monday

    Monday: Rain likely, mainly after noon. Mostly cloudy, with a high near 59. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%.

    High: 59 °F

    Chance Rain
    then Rain
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 40. South southwest wind around 7 mph.

    Low: 40 °F

    Chance Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 50.

    High: 50 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain before 3am, then rain and snow. Snow level 4100 feet. Low around 36. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 36 °F

    Chance Rain
    then
    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow likely, becoming all snow after noon. Snow level 3100 feet. Mostly cloudy, with a high near 49.

    High: 49 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow

Detailed Forecast

Tonight
A 50 percent chance of rain. Mostly cloudy, with a low around 43. Calm wind.
Sunday
A 50 percent chance of rain. Partly sunny, with a high near 64. Light and variable wind.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 41. Calm wind.
Monday
Rain likely, mainly after noon. Mostly cloudy, with a high near 59. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 40. South southwest wind around 7 mph.
Tuesday
A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 50.
Tuesday Night
Rain before 3am, then rain and snow. Snow level 4100 feet. Low around 36. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday
Rain and snow likely, becoming all snow after noon. Snow level 3100 feet. Mostly cloudy, with a high near 49.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 27.
Thursday
A chance of snow. Partly sunny, with a high near 48.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 27.
Friday
A slight chance of rain and snow. Mostly sunny, with a high near 52.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 58.
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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 11, 2026
Forecast Valid:
10pm MDT Apr 11, 2026-6pm MDT Apr 18, 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