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.

A Few Clouds

80°F

27°C

Humidity 58%
Wind Speed SW 12 G 21 mph
Barometer 29.86 in (1010.1 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 20 Jun 1:53 pm CDT
Extended Forecast for

2 Miles S Oshkosh, Wittman Regional Airport WI

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

    This Afternoon: Partly sunny, with a high near 81. South southwest wind around 10 mph, with gusts as high as 21 mph.

    High: 81 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of showers between 11pm and 1am.  Mostly cloudy, with a low around 71. South southeast wind 8 to 14 mph, with gusts as high as 26 mph.  Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 92. Heat index values as high as 101. Breezy, with a south southwest wind 17 to 22 mph, with gusts as high as 36 mph.

    High: 92 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 78. Southwest wind 15 to 17 mph, with gusts as high as 30 mph.

    Low: 78 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 93. South southwest wind 15 to 17 mph, with gusts as high as 28 mph.

    High: 93 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 77.

    Low: 77 °F

    Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 91.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 67. Chance of precipitation is 70%.

    Low: 67 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 81. South southwest wind around 10 mph, with gusts as high as 21 mph.
Tonight
A slight chance of showers between 11pm and 1am. Mostly cloudy, with a low around 71. South southeast wind 8 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny and hot, with a high near 92. Heat index values as high as 101. Breezy, with a south southwest wind 17 to 22 mph, with gusts as high as 36 mph.
Saturday Night
Mostly clear, with a low around 78. Southwest wind 15 to 17 mph, with gusts as high as 30 mph.
Sunday
Sunny and hot, with a high near 93. South southwest wind 15 to 17 mph, with gusts as high as 28 mph.
Sunday Night
Clear, with a low around 77.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 91.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Oshkosh, Wittman Regional Airport WI
 43.99°N 88.57°W (Elev. 797 ft)
1:56 pm CDT Jun 20, 2025
2pm CDT Jun 20, 2025-6pm CDT Jun 26, 2025
 
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Additional Resources

Radar & Satellite Image

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