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

75°F

24°C

Humidity 84%
Wind Speed S 17 G 28 mph
Barometer 29.70 in (1004.4 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 21 Jun 5:53 am CDT
Extended Forecast for

Winneconne WI

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

    Today: Partly sunny and hot, with a high near 92. Heat index values as high as 100. South southwest wind 13 to 21 mph, with gusts as high as 38 mph.

    High: 92 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 79. Southwest wind 14 to 17 mph, with gusts as high as 29 mph.

    Low: 79 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 93. Heat index values as high as 100. South southwest wind 14 to 18 mph, with gusts as high as 31 mph.

    High: 93 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 79. South southwest wind around 15 mph, with gusts as high as 26 mph.

    Low: 79 °F

    Clear

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 90. Southwest wind 14 to 16 mph, with gusts as high as 26 mph.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    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%.

    Low: 61 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm.  High near 74. Chance of precipitation is 80%.

    High: 74 °F

    Showers

Detailed Forecast

Today
Partly sunny and hot, with a high near 92. Heat index values as high as 100. South southwest wind 13 to 21 mph, with gusts as high as 38 mph.
Tonight
Mostly clear, with a low around 79. Southwest wind 14 to 17 mph, with gusts as high as 29 mph.
Sunday
Sunny and hot, with a high near 93. Heat index values as high as 100. South southwest wind 14 to 18 mph, with gusts as high as 31 mph.
Sunday Night
Clear, with a low around 79. South southwest wind around 15 mph, with gusts as high as 26 mph.
Monday
A 50 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 90. Southwest wind 14 to 16 mph, with gusts as high as 26 mph.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. 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 and possibly a thunderstorm. High near 74. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 62. Chance of precipitation is 80%.
Thursday
Showers and possibly a thunderstorm. High near 79. Chance of precipitation is 80%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Winneconne WI
 44.11°N 88.71°W (Elev. 748 ft)
6:21 am CDT Jun 21, 2025
6am CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
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Additional Resources

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Hourly Weather Forecast

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