Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

EUREKA (EURM8)

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

NA

49°F

9°C

Humidity 73%
Wind Speed ESE 9 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 13 Apr 12:15 PM MDT
Extended Forecast for

Eureka MT

  • This Afternoon

    This Afternoon: Rain likely, mainly after 4pm.  Mostly cloudy, with a high near 60. Light and variable wind becoming south southeast around 6 mph.  Chance of precipitation is 60%.

    High: 60 °F

    Rain Likely

  • Tonight

    Tonight: Rain likely, mainly before 9pm.  Mostly cloudy, with a low around 39. Southwest wind around 6 mph becoming southeast in the evening.  Chance of precipitation is 60%.

    Low: 39 °F

    Rain Likely
    then Chance
    Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly after 3pm.  Mostly cloudy, with a high near 51. Southeast wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.

    High: 51 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 37. South 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. Some thunder is also possible.  Snow level 3500 feet. High near 50. South southeast wind around 7 mph, with gusts 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 29. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 29 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Thursday

    Thursday: Snow.  High near 45. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 45 °F

    Snow

  • Thursday Night

    Thursday Night: A slight chance of snow before midnight.  Partly cloudy, with a low around 25.

    Low: 25 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: A slight chance of snow between noon and 3pm, then a slight chance of rain after 3pm.  Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 60. Light and variable wind becoming south southeast around 6 mph. Chance of precipitation is 60%.
Tonight
Rain likely, mainly before 9pm. Mostly cloudy, with a low around 39. Southwest wind around 6 mph becoming southeast in the evening. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of rain, mainly after 3pm. Mostly cloudy, with a high near 51. Southeast wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.
Tuesday Night
Rain. Low around 37. South 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. Some thunder is also possible. Snow level 3500 feet. High near 50. South southeast wind around 7 mph, with gusts 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 29. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Thursday
Snow. High near 45. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday Night
A slight chance of snow before midnight. Partly cloudy, with a low around 25.
Friday
A slight chance of snow between noon and 3pm, then a slight chance of rain after 3pm. Mostly sunny, with a high near 53.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
A slight chance of rain. Partly sunny, with a high near 62.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Eureka MT
 48.88°N 115.06°W (Elev. 2818 ft)
12:22 pm MDT Apr 13, 2026
12pm MDT Apr 13, 2026-6pm MDT Apr 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database