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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Partly Cloudy

86°F

30°C

Humidity 72%
Wind Speed Calm
Barometer 29.95 in (1012.4 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 1 Sep 11:53 am CDT
Extended Forecast for

3 Miles NNW Oshkosh WI

  • This Afternoon

    This Afternoon: Mostly sunny and hot, with a high near 90. Heat index values as high as 96. West southwest wind 5 to 8 mph.

    High: 90 °F

    Hot

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 3am. Patchy 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
    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 3pm. Patchy fog before 10am, then patchy fog after 11am. Otherwise, mostly sunny, with a high near 84. Heat index values as high as 87. Light and variable wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    T-storms and
    Patchy 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, mainly after 4am. Otherwise, partly cloudy, with a low around 67. Light east wind. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers and
    Fog

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Areas of fog before 11am. Otherwise, partly sunny, with a high near 82. East wind 3 to 6 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 68. Chance of precipitation is 70%.

    Low: 68 °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 69.

    Low: 69 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. 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 5 to 8 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 3am. Patchy 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. Patchy fog before 10am, then patchy fog after 11am. Otherwise, mostly sunny, with a high near 84. Heat index values as high as 87. Light and variable wind becoming north 5 to 7 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, mainly after 4am. Otherwise, partly cloudy, with a low around 67. Light east wind. Chance of precipitation is 30%.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Areas of fog before 11am. Otherwise, partly sunny, with a high near 82. East wind 3 to 6 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 68. 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 69.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 83.
Saturday Night
A 40 percent chance of showers. Partly cloudy, with a low around 67.
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 63.
Labor Day
A 20 percent chance of showers. Partly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Oshkosh WI
 44.06°N 88.59°W (Elev. 748 ft)
Last Update:
11:12 am CDT Sep 1, 2026
Forecast Valid:
12pm CDT Sep 1, 2026-6pm CDT Sep 7, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation