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.

Fog/Mist

36°F

2°C

Humidity 97%
Wind Speed SE 13 mph
Barometer 29.84 in (1011.5 mb)
Dewpoint 35°F (2°C)
Visibility 1.75 mi
Wind Chill27°F (-3°C)
Last update 27 Dec 7:53 pm CST
Extended Forecast for

Oshkosh WI

Winter Storm Warning December 28, 09:00pm until December 29, 03:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Tonight

    Tonight: A chance of drizzle, mainly between 10pm and 2am. Patchy dense fog. Otherwise, cloudy, with a low around 36. Southeast wind 5 to 8 mph.

    Low: 36 °F

    Chance
    Drizzle and
    Patchy Dense
    Fog

  • Sunday

    Sunday: A chance of rain with a slight chance of drizzle before 9am, then a chance of drizzle between 9am and noon, then rain after noon. Areas of fog before noon. High near 40. Northeast wind 5 to 9 mph becoming north northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Chance Rain
    and Areas Fog
    then Rain

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after 8pm. The snow could be heavy at times. Widespread blowing snow, mainly after 2am. Low around 18. Windy, with a west northwest wind 11 to 16 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 18 °F

    Rain/Snow and
    Blowing Snow

  • Monday

    Monday: Snow likely before noon. Areas of blowing snow before 5pm. Mostly cloudy, with a high near 23. Windy, with a northwest wind 18 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 23 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Patchy blowing snow before 9pm. Partly cloudy, with a low around 7. Northwest wind 13 to 20 mph, with gusts as high as 29 mph.

    Low: 7 °F

    Patchy
    Blowing Snow
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow after noon. Increasing clouds, with a high near 22.

    High: 22 °F

    Mostly Sunny
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 22.

    High: 22 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 3.

    Low: 3 °F

    Chance Snow

Detailed Forecast

Tonight
A chance of drizzle, mainly between 10pm and 2am. Patchy dense fog. Otherwise, cloudy, with a low around 36. Southeast wind 5 to 8 mph.
Sunday
A chance of rain with a slight chance of drizzle before 9am, then a chance of drizzle between 9am and noon, then rain after noon. Areas of fog before noon. High near 40. Northeast wind 5 to 9 mph becoming north northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain and snow, becoming all snow after 8pm. The snow could be heavy at times. Widespread blowing snow, mainly after 2am. Low around 18. Windy, with a west northwest wind 11 to 16 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Monday
Snow likely before noon. Areas of blowing snow before 5pm. Mostly cloudy, with a high near 23. Windy, with a northwest wind 18 to 26 mph, with gusts as high as 43 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday Night
Patchy blowing snow before 9pm. Partly cloudy, with a low around 7. Northwest wind 13 to 20 mph, with gusts as high as 29 mph.
Tuesday
A 30 percent chance of snow after noon. Increasing clouds, with a high near 22.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 22.
Wednesday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 3.
New Year's Day
Sunny, with a high near 12.
Thursday Night
Mostly clear, with a low around 2.
Friday
Mostly sunny, with a high near 17.
Friday Night
Mostly cloudy, with a low around 9.
Saturday
Mostly sunny, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oshkosh WI
 44.02°N 88.56°W (Elev. 758 ft)
Last Update:
8:46 pm CST Dec 27, 2025
Forecast Valid:
8pm CST Dec 27, 2025-6pm CST Jan 3, 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