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

33°F

1°C

Humidity 78%
Wind Speed S 13 mph
Barometer 30.21 in (1024.0 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 8 Apr 4:53 am CDT
Extended Forecast for

Winnebago WI

  • Overnight

    Overnight: Snow and sleet likely. Cloudy, with a steady temperature around 33. South wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. Total nighttime snow and sleet accumulation of less than a half inch possible.

    Low: 33 °F

    Snow/Sleet
    Likely

  • Wednesday

    Wednesday: Rain likely, possibly mixed with snow and sleet before 10am, then a slight chance of rain after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 62. Breezy, with a south wind 16 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow and sleet accumulation of less than a half inch possible.

    High: 62 °F

    Wintry Mix
    Likely then
    Slight Chance
    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain and thunderstorms before 1am, then a slight chance of rain between 1am and 4am. Low around 38. West southwest wind 9 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain then
    Chance Rain

  • Thursday

    Thursday: Sunny, with a high near 53. West wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Increasing clouds, with a low around 37. Light and variable wind.

    Low: 37 °F

    Chance Rain

  • Friday

    Friday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of rain, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.

    Low: 44 °F

    Chance Rain
    then Rain
    Likely

Detailed Forecast

Overnight
Snow and sleet likely. Cloudy, with a steady temperature around 33. South wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. Total nighttime snow and sleet accumulation of less than a half inch possible.
Wednesday
Rain likely, possibly mixed with snow and sleet before 10am, then a slight chance of rain after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 62. Breezy, with a south wind 16 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow and sleet accumulation of less than a half inch possible.
Wednesday Night
Rain and thunderstorms before 1am, then a slight chance of rain between 1am and 4am. Low around 38. West southwest wind 9 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Sunny, with a high near 53. West wind 10 to 14 mph, with gusts as high as 22 mph.
Thursday Night
A 50 percent chance of rain. Increasing clouds, with a low around 37. Light and variable wind.
Friday
Mostly sunny, with a high near 52.
Friday Night
Mostly clear, with a low around 33.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
A chance of rain, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Sunday
Rain likely and possibly a thunderstorm before 1pm, then a chance of rain. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
Sunday Night
Rain likely. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Monday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Winnebago WI
 44.08°N 88.53°W (Elev. 787 ft)
Last Update:
1:21 am CDT Apr 8, 2026
Forecast Valid:
5am CDT Apr 8, 2026-6pm CDT Apr 14, 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