National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Overcast

61°F

16°C

Humidity 90%
Wind Speed S 14 G 23 mph
Barometer 29.67 in (1004.1 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 12 Apr 11:53 pm CDT
Extended Forecast for

3 Miles ESE Winnebago WI

  • Overnight

    Overnight: A 20 percent chance of rain before 1am. Mostly cloudy, with a steady temperature around 57. West southwest wind 16 to 21 mph, with gusts as high as 30 mph.

    Low: 57 °F

    Slight Chance
    Rain

  • Monday

    Monday: A slight chance of rain between 3pm and 4pm, then a chance of rain and thunderstorms after 4pm. Mostly sunny, with a high near 64. West southwest wind 7 to 13 mph becoming south southeast in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 30%.

    High: 64 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Rain and possibly a thunderstorm before 2am, then a chance of rain and thunderstorms, mainly between 2am and 4am. Low around 54. Southeast wind 10 to 13 mph becoming northwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Rain

  • Tuesday

    Tuesday: A chance of rain between 1pm and 4pm, then a chance of rain and thunderstorms after 4pm. Partly sunny, with a high near 67. West southwest wind 9 to 11 mph. Chance of precipitation is 50%.

    High: 67 °F

    Partly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 48. Southwest wind around 9 mph becoming north northeast after midnight. Chance of precipitation is 70%.

    Low: 48 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain, then rain likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.

    High: 58 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain likely and possibly a thunderstorm before 1am, then a chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.

    Low: 49 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain, with thunderstorms also possible after 1pm. Partly sunny, with a high near 64. Chance of precipitation is 30%.

    High: 64 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of rain before 1am. Mostly cloudy, with a steady temperature around 57. West southwest wind 16 to 21 mph, with gusts as high as 30 mph.
Monday
A slight chance of rain between 3pm and 4pm, then a chance of rain and thunderstorms after 4pm. Mostly sunny, with a high near 64. West southwest wind 7 to 13 mph becoming south southeast in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 30%.
Monday Night
Rain and possibly a thunderstorm before 2am, then a chance of rain and thunderstorms, mainly between 2am and 4am. Low around 54. Southeast wind 10 to 13 mph becoming northwest after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A chance of rain between 1pm and 4pm, then a chance of rain and thunderstorms after 4pm. Partly sunny, with a high near 67. West southwest wind 9 to 11 mph. Chance of precipitation is 50%.
Tuesday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 48. Southwest wind around 9 mph becoming north northeast after midnight. Chance of precipitation is 70%.
Wednesday
A chance of rain, then rain likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Wednesday Night
Rain likely and possibly a thunderstorm before 1am, then a chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Thursday
A chance of rain, with thunderstorms also possible after 1pm. Partly sunny, with a high near 64. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 49.
Friday
A 40 percent chance of rain after 1pm. Partly sunny, with a high near 69.
Friday Night
Rain and possibly a thunderstorm. Low around 45. Chance of precipitation is 80%.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 53.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Sunday
A slight chance of rain and snow. Mostly sunny, with a high near 48. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Winnebago WI
 44.03°N 88.44°W (Elev. 748 ft)
Last Update:
11:57 pm CDT Apr 12, 2026
Forecast Valid:
12am CDT Apr 13, 2026-6pm CDT Apr 19, 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