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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Overcast and Windy

38°F

3°C

Humidity 57%
Wind Speed W 30 G 51 mph
Barometer 29.59 in (1002.9 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 13 Mar 2:53 pm CDT
Extended Forecast for

4 Miles N Van Dyne WI

Wind Advisory March 13, 03:02pm until March 13, 06:00pm
Winter Storm Warning March 14, 07:00pm until March 16, 04:00pm
Click here for hazard details and duration
...
Winter Storm Warning
  •  
    Wind Advisory March 13, 03:02pm until March 13, 06:00pm

    NOW until 6:00pm Fri

    Wind Advisory

  • Tonight

    Low: 24 °F

    Decreasing
    Clouds and
    Blustery then
    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after 4pm. Mostly cloudy, with a high near 37. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 37 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Snow before 1am, then snow, possibly mixed with sleet between 1am and 4am, then snow and sleet, possibly mixed with rain and freezing rain after 4am. Patchy blowing snow between 3am and 4am. Low around 28. East wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow and sleet accumulation of 3 to 5 inches possible.

    Low: 28 °F

    Snow then
    Wintry Mix
    and Patchy
    Blowing Snow

  • Sunday

    Sunday: Rain, snow and sleet, possibly mixed with freezing rain before 1pm, then rain, snow, and sleet. High near 38. Breezy, with an east wind around 22 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New snow and sleet accumulation of less than one inch possible.

    High: 38 °F

    Wintry Mix
    and Breezy

  • Sunday Night

    Sunday Night: Snow, possibly mixed with freezing rain and sleet, becoming all snow after 10pm. The snow could be heavy at times. Widespread blowing snow, mainly after 10pm. Low around 16. Windy, with a north wind 23 to 26 mph, with gusts as high as 44 mph. Chance of precipitation is 90%.

    Low: 16 °F

    Wintry Mix
    and Blowing
    Snow then
    Heavy Snow
    and Blowing
    Snow

  • Monday

    Monday: Snow likely, mainly before 1pm. Areas of blowing snow. Cloudy, with a high near 22. Windy. Chance of precipitation is 70%.

    High: 22 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 3. Blustery.

    Low: 3 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 24. Blustery, with a northwest wind 19 to 24 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 37 mph.
Saturday
A 20 percent chance of snow after 4pm. Mostly cloudy, with a high near 37. Calm wind becoming southeast around 6 mph in the afternoon.
Saturday Night
Snow before 1am, then snow, possibly mixed with sleet between 1am and 4am, then snow and sleet, possibly mixed with rain and freezing rain after 4am. Patchy blowing snow between 3am and 4am. Low around 28. East wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow and sleet accumulation of 3 to 5 inches possible.
Sunday
Rain, snow and sleet, possibly mixed with freezing rain before 1pm, then rain, snow, and sleet. High near 38. Breezy, with an east wind around 22 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New snow and sleet accumulation of less than one inch possible.
Sunday Night
Snow, possibly mixed with freezing rain and sleet, becoming all snow after 10pm. The snow could be heavy at times. Widespread blowing snow, mainly after 10pm. Low around 16. Windy, with a north wind 23 to 26 mph, with gusts as high as 44 mph. Chance of precipitation is 90%.
Monday
Snow likely, mainly before 1pm. Areas of blowing snow. Cloudy, with a high near 22. Windy. Chance of precipitation is 70%.
Monday Night
Partly cloudy, with a low around 3. Blustery.
Tuesday
Mostly sunny, with a high near 22.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 13.
Wednesday
A 20 percent chance of snow before 1pm. Partly sunny, with a high near 38.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
Mostly cloudy, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Van Dyne WI
 43.93°N 88.54°W (Elev. 801 ft)
Last Update:
2:36 pm CDT Mar 13, 2026
Forecast Valid:
3pm CDT Mar 13, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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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