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

Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather from the Southern Plains to the Great Lakes

Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

Current conditions at

EUREKA (EURM8)

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

NA

50°F

10°C

Humidity 42%
Wind Speed WSW 5 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill48°F (9°C)
Last update 14 Apr 03:15 PM MDT
Extended Forecast for

Eureka MT

  • This Afternoon

    This Afternoon: A 40 percent chance of rain after 4pm. Mostly cloudy, with a high near 52. South southwest wind around 10 mph, with gusts as high as 24 mph.

    High: 52 °F

    Chance Rain

  • Tonight

    Tonight: Rain. Low around 37. South southeast wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.

    Low: 37 °F

    Rain

  • Wednesday

    Wednesday: Rain before 9am, then rain and snow likely. Snow level 3800 feet lowering to 3000 feet in the afternoon . High near 50. Southeast wind around 7 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 50 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely, becoming all snow after midnight. Mostly cloudy, with a low around 28. West wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Thursday

    Thursday: Snow likely. Mostly cloudy, with a high near 47. Light and variable wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 47 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A slight chance of rain and snow before 9pm, then a slight chance of snow between 9pm and midnight. Partly cloudy, with a low around 27. Chance of precipitation is 20%.

    Low: 27 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Friday

    Friday: A chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Partly sunny, with a high near 53. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 53 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of rain after 4pm. Mostly cloudy, with a high near 52. South southwest wind around 10 mph, with gusts as high as 24 mph.
Tonight
Rain. Low around 37. South southeast wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Wednesday
Rain before 9am, then rain and snow likely. Snow level 3800 feet lowering to 3000 feet in the afternoon . High near 50. Southeast wind around 7 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow likely, becoming all snow after midnight. Mostly cloudy, with a low around 28. West wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Thursday
Snow likely. Mostly cloudy, with a high near 47. Light and variable wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday Night
A slight chance of rain and snow before 9pm, then a slight chance of snow between 9pm and midnight. Partly cloudy, with a low around 27. Chance of precipitation is 20%.
Friday
A chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Partly sunny, with a high near 53. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 67.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 39.
Monday
A slight chance of rain. Partly sunny, with a high near 67.
Monday Night
A chance of rain. Mostly cloudy, with a low around 41.
Tuesday
A chance of rain. Partly sunny, with a high near 65.
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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:
2:01 pm MDT Apr 14, 2026
Forecast Valid:
3pm MDT Apr 14, 2026-6pm MDT Apr 21, 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