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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Light Snow

6°F

-14°C

Humidity 73%
Wind Speed SW 7 mph
Barometer 29.83 in (1012.8 mb)
Dewpoint -1°F (-18°C)
Visibility 2.00 mi
Wind Chill-6°F (-21°C)
Last update 18 Jan 2:53 pm CST
Extended Forecast for

3 Miles ESE Winnebago WI

Cold Weather Advisory January 19, 03:00am until January 19, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory

  • This Afternoon

    This Afternoon: Snow likely. Cloudy, with a high near 11. West southwest wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 11 °F

    Snow Likely

  • Tonight

    Tonight: Snow, mainly before 1am. Patchy blowing snow after 2am. Low around -2. Wind chill values between -10 and -20. Blustery, with a west northwest wind 9 to 14 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: -2 °F

    Snow and
    Patchy
    Blowing Snow

  • M.L.King Day

    M.L.King Day: Patchy blowing snow before 4pm. Mostly sunny and cold, with a high near 3. Wind chill values between -20 and -25. Blustery, with a west northwest wind 17 to 24 mph, with gusts as high as 38 mph.

    High: 3 °F

    Patchy
    Blowing Snow
    and Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around -5. Wind chill values between -20 and -25. West wind 14 to 17 mph, with gusts as high as 23 mph.

    Low: -5 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and cold, with a high near 10. West wind 9 to 14 mph, with gusts as high as 20 mph.

    High: 10 °F

    Cold

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 3.

    Low: 3 °F

    Slight Chance
    Snow then
    Chance Snow

  • Wednesday

    Wednesday: A 40 percent chance of snow. Mostly cloudy, with a high near 20.

    High: 20 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 2.

    Low: 2 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny and cold, with a high near 9.

    High: 9 °F

    Cold

Detailed Forecast

This Afternoon
Snow likely. Cloudy, with a high near 11. West southwest wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow, mainly before 1am. Patchy blowing snow after 2am. Low around -2. Wind chill values between -10 and -20. Blustery, with a west northwest wind 9 to 14 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
M.L.King Day
Patchy blowing snow before 4pm. Mostly sunny and cold, with a high near 3. Wind chill values between -20 and -25. Blustery, with a west northwest wind 17 to 24 mph, with gusts as high as 38 mph.
Monday Night
Partly cloudy, with a low around -5. Wind chill values between -20 and -25. West wind 14 to 17 mph, with gusts as high as 23 mph.
Tuesday
Sunny and cold, with a high near 10. West wind 9 to 14 mph, with gusts as high as 20 mph.
Tuesday Night
A 50 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 3.
Wednesday
A 40 percent chance of snow. Mostly cloudy, with a high near 20.
Wednesday Night
Mostly cloudy, with a low around 2.
Thursday
Mostly sunny and cold, with a high near 9.
Thursday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around -3.
Friday
A 20 percent chance of snow. Mostly sunny and cold, with a high near 7.
Friday Night
A 20 percent chance of snow. Partly cloudy, with a low around -9.
Saturday
A 20 percent chance of snow. Mostly sunny and cold, with a high near 1.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around -11.
Sunday
A 30 percent chance of snow. Mostly sunny and cold, with a high near 5.
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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:
3:11 pm CST Jan 18, 2026
Forecast Valid:
3pm CST Jan 18, 2026-6pm CST Jan 25, 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