Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

EUREKA (EURM8)

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

NA

51°F

11°C

Humidity 65%
Wind Speed W 2 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 10 Oct 01:15 PM MDT
Extended Forecast for

Eureka MT

  • This Afternoon

    This Afternoon: A 30 percent chance of rain, mainly before 3pm.  Snow level 3800 feet. Mostly cloudy, with a high near 52. North northeast wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 52 °F

    Chance Rain

  • Tonight

    Tonight: A 20 percent chance of snow after 5am.  Mostly cloudy, with a low around 29. Northeast wind 12 to 17 mph becoming north northwest 6 to 11 mph in the evening. Winds could gust as high as 32 mph.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow between 2pm and 3pm.  Mostly cloudy, with a high near 47. Light north northeast wind becoming northeast 6 to 11 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 47 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 26. East northeast wind around 5 mph becoming calm  after midnight.

    Low: 26 °F

    Decreasing
    Clouds

  • Columbus Day

    Columbus Day: Patchy fog between 9am and 10am.  Otherwise, mostly sunny, with a high near 53. Calm wind.

    High: 53 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 3am.  Otherwise, mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am.  Otherwise, sunny, with a high near 57.

    High: 57 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of rain, mainly before 3pm. Snow level 3800 feet. Mostly cloudy, with a high near 52. North northeast wind 11 to 14 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of snow after 5am. Mostly cloudy, with a low around 29. Northeast wind 12 to 17 mph becoming north northwest 6 to 11 mph in the evening. Winds could gust as high as 32 mph.
Sunday
A 20 percent chance of snow between 2pm and 3pm. Mostly cloudy, with a high near 47. Light north northeast wind becoming northeast 6 to 11 mph in the afternoon. Winds could gust as high as 22 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 26. East northeast wind around 5 mph becoming calm after midnight.
Columbus Day
Patchy fog between 9am and 10am. Otherwise, mostly sunny, with a high near 53. Calm wind.
Monday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 26.
Tuesday
Patchy fog before 10am. Otherwise, sunny, with a high near 57.
Tuesday Night
Mostly clear, with a low around 31.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Mostly clear, with a low around 34.
Friday
Sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Eureka MT
 48.88°N 115.06°W (Elev. 2818 ft)
2:01 pm MDT Oct 10, 2026
2pm MDT Oct 10, 2026-6pm MDT Oct 16, 2026
 
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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