Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

EUREKA (EURM8)

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

NA

54°F

12°C

Humidity 89%
Wind Speed SE 2 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 17 Aug 05:15 AM MDT
Extended Forecast for

3 Miles N Eureka MT

  • Today

    Today: Mostly sunny, with a high near 82. Light and variable wind becoming southwest 5 to 7 mph in the morning.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 50. West southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 84. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 84 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. West southwest wind around 6 mph becoming calm  in the evening.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 82. Light and variable wind becoming southwest 5 to 7 mph in the morning.
Tonight
Partly cloudy, with a low around 50. West southwest wind 5 to 7 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. Calm wind becoming south southwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 53. West southwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 90. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Eureka MT
 48.92°N 115.07°W (Elev. 2644 ft)
3:30 am MDT Aug 17, 2025
5am MDT Aug 17, 2025-6pm MDT Aug 23, 2025
 
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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