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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Mostly Cloudy

87°F

31°C

Humidity 70%
Wind Speed SE 9 mph
Barometer 29.92 in (1011.6 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 1 Sep 12:53 pm CDT
Extended Forecast for

3 Miles SSW Oshkosh, Wittman Regional Airport WI

  • This Afternoon

    This Afternoon: Mostly sunny and hot, with a high near 90. Heat index values as high as 96. West southwest wind 6 to 9 mph.

    High: 90 °F

    Hot

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Areas of fog after 4am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 69. Southwest wind around 6 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    T-storms and
    Areas Fog

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 3pm. Areas of fog before 10am. Otherwise, partly sunny, with a high near 84. Heat index values as high as 88. Light and variable wind becoming northwest 5 to 8 mph in the morning. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    T-storms and
    Areas Fog

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Widespread fog after 1am. Otherwise, partly cloudy, with a low around 66. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers and
    Fog

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 10am. Areas of fog before 11am. Otherwise, partly sunny, with a high near 82. East wind 3 to 7 mph. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers 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
    Showers then
    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 90. Heat index values as high as 96. West southwest wind 6 to 9 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Areas of fog after 4am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 69. 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 3pm. Areas of fog before 10am. Otherwise, partly sunny, with a high near 84. Heat index values as high as 88. Light and variable wind becoming northwest 5 to 8 mph in the morning. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Widespread fog after 1am. Otherwise, partly cloudy, with a low around 66. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Thursday
A chance of showers, with thunderstorms also possible after 10am. Areas of fog before 11am. Otherwise, partly sunny, with a high near 82. East wind 3 to 7 mph. Chance of precipitation is 40%.
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 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Saturday Night
A 40 percent chance of showers. Partly cloudy, with a low around 65.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 81.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 61.
Labor Day
A 20 percent chance of showers. Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Oshkosh, Wittman Regional Airport WI
 43.97°N 88.6°W (Elev. 850 ft)
Last Update:
11:12 am CDT Sep 1, 2026
Forecast Valid:
12pm CDT Sep 1, 2026-6pm CDT Sep 7, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation