Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

68°F

20°C

Humidity 84%
Wind Speed S 10 mph
Barometer 29.92 in (1012.1 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 20 Jun 8:53 am CDT
Extended Forecast for

Eureka WI

Heat Advisory June 21, 12:00pm until June 23, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: A chance of showers before noon, then a slight chance of showers and thunderstorms between noon and 1pm.  Mostly cloudy, with a high near 81. South southwest wind 9 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 11pm and 4am, then a slight chance of showers after 4am.  Mostly cloudy, with a low around 71. South wind 7 to 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 93. Heat index values as high as 103. Breezy, with a southwest wind 16 to 22 mph, with gusts as high as 33 mph.

    High: 93 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 78. Southwest wind around 16 mph, with gusts as high as 26 mph.

    Low: 78 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 95. South southwest wind 15 to 18 mph, with gusts as high as 29 mph.

    High: 95 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 93.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 78. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

Detailed Forecast

Today
A chance of showers before noon, then a slight chance of showers and thunderstorms between noon and 1pm. Mostly cloudy, with a high near 81. South southwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tonight
A slight chance of showers and thunderstorms between 11pm and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 71. South wind 7 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny and hot, with a high near 93. Heat index values as high as 103. Breezy, with a southwest wind 16 to 22 mph, with gusts as high as 33 mph.
Saturday Night
Mostly clear, with a low around 78. Southwest wind around 16 mph, with gusts as high as 26 mph.
Sunday
Sunny and hot, with a high near 95. South southwest wind 15 to 18 mph, with gusts as high as 29 mph.
Sunday Night
Mostly clear, with a low around 77.
Monday
A 50 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 93.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Eureka WI
 43.98°N 88.84°W (Elev. 801 ft)
7:52 am CDT Jun 20, 2025
9am CDT Jun 20, 2025-6pm CDT Jun 26, 2025
 
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Additional Resources

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Hourly Weather Forecast

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