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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

Chilton WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 89. Heat index values as high as 94. West southwest wind 7 to 9 mph.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Patchy fog after 3am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 69. Southwest wind 5 to 7 mph becoming calm after midnight.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    T-storms and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 1pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 84. Heat index values as high as 87. Light and variable wind becoming west southwest 5 to 7 mph in the morning. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    T-storms and
    Areas Fog
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight 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 65. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers and
    Fog

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Widespread fog, mainly before 8am. Otherwise, partly sunny, with a high near 81. Calm wind becoming east southeast around 6 mph in the morning. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers and
    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 66. Chance of precipitation is 70%.

    Low: 66 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.

    High: 82 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 89. Heat index values as high as 94. West southwest wind 7 to 9 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Patchy fog after 3am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 69. Southwest wind 5 to 7 mph becoming calm after midnight.
Wednesday
A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 1pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 84. Heat index values as high as 87. Light and variable wind becoming west southwest 5 to 7 mph in the morning. Chance of precipitation is 30%.
Wednesday Night
A slight 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 65. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Widespread fog, mainly before 8am. Otherwise, partly sunny, with a high near 81. Calm wind becoming east southeast around 6 mph in the morning. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Friday
A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Saturday Night
A 40 percent chance of showers. Partly cloudy, with a low around 65.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 81.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 62.
Labor Day
A 20 percent chance of showers. Partly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chilton WI
 44.02°N 88.17°W (Elev. 850 ft)
Last Update:
1:06 pm CDT Sep 1, 2026
Forecast Valid:
1pm 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