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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

A Few Clouds

89°F

32°C

Humidity 53%
Wind Speed SW 6 mph
Barometer 29.91 in (1011.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 1 Sep 2:53 pm CDT
Extended Forecast for

2 Miles NW Winnebago WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 89. Heat index values as high as 93. Southwest wind 5 to 8 mph.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 3am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 71. West southwest wind around 6 mph becoming calm in the evening.

    Low: 71 °F

    Mostly Cloudy
    then Chance
    T-storms and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 4pm. Areas of fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 86. Heat index values as high as 90. Light and variable wind becoming west southwest around 6 mph in the morning. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    T-storms and
    Areas Fog

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Widespread fog after 1am. Otherwise, partly cloudy, with a low around 68. Light east wind. Chance of precipitation is 50%.

    Low: 68 °F

    Heavy Rain
    and Fog

  • Thursday

    Thursday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 82. East southeast wind 3 to 5 mph. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely and
    Areas Fog

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 89. Heat index values as high as 93. Southwest wind 5 to 8 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 3am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 71. West southwest wind around 6 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 4pm. Areas of fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 86. Heat index values as high as 90. Light and variable wind becoming west southwest around 6 mph in the morning. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Widespread fog after 1am. Otherwise, partly cloudy, with a low around 68. Light east wind. Chance of precipitation is 50%.
Thursday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 82. East southeast wind 3 to 5 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Friday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Saturday
Partly sunny, with a high near 81.
Saturday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 80.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 62.
Labor Day
Partly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Winnebago WI
 44.08°N 88.53°W (Elev. 787 ft)
Last Update:
2:46 pm CDT Sep 1, 2026
Forecast Valid:
2pm CDT Sep 1, 2026-6pm CDT Sep 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation