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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

68°F

20°C

Humidity 76%
Wind Speed Vrbl 6 mph
Barometer 29.83 in (1009.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 13 Apr 9:53 am CDT
Extended Forecast for

4 Miles N Van Dyne WI

Flood Watch April 13, 04:00pm until April 14, 07:00am
Click here for hazard details and duration
Flood Watch

  • Today

    Today: A 20 percent chance of rain and thunderstorms after 4pm. Partly sunny, with a high near 74. West southwest wind 8 to 10 mph becoming south southeast in the afternoon.

    High: 74 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Rain and thunderstorms before 2am, then a chance of showers and thunderstorms, mainly between 2am and 4am. Some of the storms could be severe and produce heavy rainfall. Patchy fog after 5am. Low around 58. South southeast wind 10 to 13 mph becoming west southwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 58 °F

    Severe
    Thunderstorms
    and Patchy
    Fog

  • Tuesday

    Tuesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 72. West southwest wind around 10 mph. Chance of precipitation is 40%.

    High: 72 °F

    Patchy Fog
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 50. South wind around 7 mph becoming north after midnight. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 61. Northeast wind 6 to 9 mph. Chance of precipitation is 60%.

    High: 61 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 50. Chance of precipitation is 80%.

    Low: 50 °F

    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 67. Chance of precipitation is 40%.

    High: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of rain and thunderstorms after 1pm. Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny
    then Chance
    Rain

Detailed Forecast

Today
A 20 percent chance of rain and thunderstorms after 4pm. Partly sunny, with a high near 74. West southwest wind 8 to 10 mph becoming south southeast in the afternoon.
Tonight
Rain and thunderstorms before 2am, then a chance of showers and thunderstorms, mainly between 2am and 4am. Some of the storms could be severe and produce heavy rainfall. Patchy fog after 5am. Low around 58. South southeast wind 10 to 13 mph becoming west southwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Tuesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 72. West southwest wind around 10 mph. Chance of precipitation is 40%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 50. South wind around 7 mph becoming north after midnight. Chance of precipitation is 60%.
Wednesday
A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 61. Northeast wind 6 to 9 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 50. Chance of precipitation is 80%.
Thursday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 67. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 49.
Friday
A 30 percent chance of rain and thunderstorms after 1pm. Partly sunny, with a high near 72.
Friday Night
Rain and possibly a thunderstorm. Low around 47. Chance of precipitation is 80%.
Saturday
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a high near 57.
Saturday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Van Dyne WI
 43.93°N 88.54°W (Elev. 801 ft)
Last Update:
8:47 am CDT Apr 13, 2026
Forecast Valid:
10am 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