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.

Overcast

69°F

21°C

Humidity 84%
Wind Speed S 9 mph
Barometer 29.92 in (1012.3 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 20 Jun 9:53 am CDT
Extended Forecast for

4 Miles W Winneconne WI

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

    Today: A 20 percent chance of showers before noon.  Mostly cloudy, with a high near 79. South southwest wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 79 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 70. South wind 7 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 91. Heat index values as high as 100. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 31 mph.

    High: 91 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 78. Southwest wind around 14 mph, with gusts as high as 26 mph.

    Low: 78 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 94. South southwest wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 94 °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.  Mostly sunny and hot, with a high near 91.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 76. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

Detailed Forecast

Today
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 79. South southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Tonight
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny and hot, with a high near 91. Heat index values as high as 100. Breezy, with a south southwest wind 16 to 22 mph, with gusts as high as 31 mph.
Saturday Night
Mostly clear, with a low around 78. Southwest wind around 14 mph, with gusts as high as 26 mph.
Sunday
Sunny and hot, with a high near 94. South southwest wind 14 to 18 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 77.
Monday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 91.
Monday Night
Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. 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 74. 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 74. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Winneconne WI
 44.11°N 88.8°W (Elev. 787 ft)
10:07 am CDT Jun 20, 2025
10am CDT Jun 20, 2025-6pm CDT Jun 26, 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