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

Areas of Excessive Rainfall and Severe Thunderstorms; Typhoon Watch for Guam/CNMI

Heavy to excessive rainfall will continue today from the Texas Big Bend region into southern Oklahoma. Locally considerable flash and urban flooding is possible, and river flooding will continue in central Oklahoma. Scattered severe thunderstorms are possible in parts of the Mid-Atlantic Friday. A Typhoon Watch has been issued for Guam and CNMI. Read More >

Current conditions at

EUREKA (EURM8)

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

NA

64°F

18°C

Humidity 39%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 15 Oct 03:15 PM MDT
Extended Forecast for

Eureka MT

  • Tonight

    Tonight: Patchy freezing fog after 11pm. Areas of frost after 3am. Otherwise, partly cloudy, with a low around 29. Calm wind becoming southeast around 5 mph.

    Low: 29 °F

    Patchy
    Freezing Fog
    then Areas
    Frost and
    Patchy
    Freezing Fog

  • Friday

    Friday: Patchy freezing fog before 10am. Widespread frost, mainly before 9am. Otherwise, mostly sunny, with a high near 68. Light southeast wind.

    High: 68 °F

    Frost and
    Patchy
    Freezing Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. Southeast wind 3 to 6 mph. Winds could gust as high as 18 mph.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 68. Southeast wind 7 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 29 mph.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33. West southwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy freezing fog after 11pm. Areas of frost after 3am. Otherwise, partly cloudy, with a low around 29. Calm wind becoming southeast around 5 mph.
Friday
Patchy freezing fog before 10am. Widespread frost, mainly before 9am. Otherwise, mostly sunny, with a high near 68. Light southeast wind.
Friday Night
Partly cloudy, with a low around 37. Southeast wind 3 to 6 mph. Winds could gust as high as 18 mph.
Saturday
Mostly sunny, with a high near 68. Southeast wind 7 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 29 mph.
Saturday Night
Partly cloudy, with a low around 33. West southwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Sunday
Sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 63.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
A slight chance of rain. Partly sunny, with a high near 58.
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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:
3:00 pm MDT Oct 15, 2026
Forecast Valid:
3pm MDT Oct 15, 2026-6pm MDT Oct 22, 2026
 
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Additional Resources

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Chance of Precipitation