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

13°F

-11°C

Humidity 74%
Wind Speed W 5 mph
Barometer 29.93 in (1016.0 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 18 Jan 3:53 am CST
Extended Forecast for

Oshkosh, Wittman Regional Airport WI

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

  • Overnight

    Overnight: A 20 percent chance of snow. Cloudy, with a steady temperature around 13. West wind 8 to 10 mph.

    Low: 13 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A chance of flurries before noon, then snow likely, mainly after 5pm. Mostly cloudy and cold, with a steady temperature around 10. West southwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 10 °F

    Mostly Cloudy
    then Snow
    Likely

  • Sunday Night

    Sunday Night: Snow, mainly before 5am. Patchy blowing snow after midnight. Low around -1. Wind chill values between -10 and -20. Blustery, with a west northwest wind 8 to 13 mph increasing to 19 to 24 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: -1 °F

    Snow and
    Patchy
    Blowing Snow

  • M.L.King Day

    M.L.King Day: Patchy blowing snow before 3pm. Mostly sunny and cold, with a high near 3. Wind chill values between -15 and -25. Blustery, with a west northwest wind 16 to 24 mph, with gusts as high as 37 mph.

    High: 3 °F

    Patchy
    Blowing Snow
    and Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around -4. West wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: -4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 12.

    High: 12 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 6.

    Low: 6 °F

    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

Detailed Forecast

Overnight
A 20 percent chance of snow. Cloudy, with a steady temperature around 13. West wind 8 to 10 mph.
Sunday
A chance of flurries before noon, then snow likely, mainly after 5pm. Mostly cloudy and cold, with a steady temperature around 10. West southwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow, mainly before 5am. Patchy blowing snow after midnight. Low around -1. Wind chill values between -10 and -20. Blustery, with a west northwest wind 8 to 13 mph increasing to 19 to 24 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 3pm. Mostly sunny and cold, with a high near 3. Wind chill values between -15 and -25. Blustery, with a west northwest wind 16 to 24 mph, with gusts as high as 37 mph.
Monday Night
Partly cloudy, with a low around -4. West wind 9 to 13 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 12.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 6.
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, with a high near 14.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 4.
Friday
A 20 percent chance of snow. Partly sunny, with a high near 16.
Friday Night
A 20 percent chance of snow. Partly cloudy, with a low around -3.
Saturday
A 20 percent chance of snow. Mostly sunny and cold, with a high near 6.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Oshkosh, Wittman Regional Airport WI
 43.99°N 88.57°W (Elev. 797 ft)
Last Update:
4:32 am CST Jan 18, 2026
Forecast Valid:
4am CST Jan 18, 2026-6pm CST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation