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

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

A Few Clouds

37°F

3°C

Humidity 70%
Wind Speed N 15 mph
Barometer 30.14 in (1021.5 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 1 Apr 12:53 am CDT
Extended Forecast for

5 Miles NNW Ripon WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 31. North northeast wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 41. East northeast wind 11 to 17 mph, with gusts as high as 25 mph.

    High: 41 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Rain, snow, and sleet likely before 2am, then rain between 2am and 4am, then rain or freezing rain after 4am. Low around 32. East northeast wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. Little or no snow and sleet accumulation expected.

    Low: 32 °F

    Chance Wintry
    Mix then
    Rain/Freezing
    Rain

  • Thursday

    Thursday: Rain or freezing rain, becoming all rain after 7am. Some thunder is also possible. High near 55. East wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.

    High: 55 °F

    Rain/Freezing
    Rain then
    Rain

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm before 10pm, then rain likely between 10pm and 1am. Mostly cloudy, with a low around 37. South wind 14 to 17 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%.

    Low: 37 °F

    Rain Likely

  • Friday

    Friday: A 20 percent chance of rain after 1pm. Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm. Low around 37. Chance of precipitation is 90%.

    Low: 37 °F

    Rain

  • Saturday

    Saturday: A 50 percent chance of rain. Mostly cloudy, with a high near 50.

    High: 50 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 31. North northeast wind 10 to 13 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 41. East northeast wind 11 to 17 mph, with gusts as high as 25 mph.
Wednesday Night
Rain, snow, and sleet likely before 2am, then rain between 2am and 4am, then rain or freezing rain after 4am. Low around 32. East northeast wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. Little or no snow and sleet accumulation expected.
Thursday
Rain or freezing rain, becoming all rain after 7am. Some thunder is also possible. High near 55. East wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Thursday Night
Rain likely and possibly a thunderstorm before 10pm, then rain likely between 10pm and 1am. Mostly cloudy, with a low around 37. South wind 14 to 17 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%.
Friday
A 20 percent chance of rain after 1pm. Partly sunny, with a high near 54.
Friday Night
Rain and possibly a thunderstorm. Low around 37. Chance of precipitation is 90%.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 50.
Saturday Night
A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 29.
Monday
A chance of rain and snow. Partly sunny, with a high near 48. Chance of precipitation is 40%.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Ripon WI
 43.9°N 88.87°W (Elev. 951 ft)
Last Update:
1:21 am CDT Apr 1, 2026
Forecast Valid:
1am CDT Apr 1, 2026-6pm CDT Apr 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation