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.

Light Snow Fog/Mist

12°F

-11°C

Humidity 87%
Wind Speed Calm
Barometer 29.95 in (1016.9 mb)
Dewpoint 9°F (-13°C)
Visibility 3.00 mi
Last update 21 Jan 4:49 am CST
Extended Forecast for

Oshkosh WI

Extreme Cold Watch January 23, 12:00am until January 24, 12:00pm
Click here for hazard details and duration
Extreme Cold Watch

  • Overnight

    Overnight: A 20 percent chance of snow. Cloudy, with a steady temperature around 11. Calm wind.

    Low: 11 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 22. Light southwest wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph. New snow accumulation of less than a half inch possible.

    High: 22 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 5. West northwest wind 10 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 5 °F

    Snow Likely
    then Partly
    Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after 3pm. Partly sunny, with a high near 14. West wind 13 to 15 mph, with gusts as high as 25 mph.

    High: 14 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -15. West northwest wind around 16 mph, with gusts as high as 24 mph.

    Low: -15 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and cold, with a high near -9.

    High: -9 °F

    Cold

  • Friday Night

    Friday Night: Mostly clear, with a low around -19.

    Low: -19 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny and cold, with a high near -2.

    High: -2 °F

    Cold

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around -8.

    Low: -8 °F

    Partly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Overnight
A 20 percent chance of snow. Cloudy, with a steady temperature around 11. Calm wind.
Wednesday
A 50 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 22. Light southwest wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow likely, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 5. West northwest wind 10 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
A 20 percent chance of snow after 3pm. Partly sunny, with a high near 14. West wind 13 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around -15. West northwest wind around 16 mph, with gusts as high as 24 mph.
Friday
Sunny and cold, with a high near -9.
Friday Night
Mostly clear, with a low around -19.
Saturday
Mostly sunny and cold, with a high near -2.
Saturday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around -8.
Sunday
A 20 percent chance of snow. Partly sunny and cold, with a high near 7.
Sunday Night
Partly cloudy, with a low around -5.
Monday
Mostly sunny and cold, with a high near 10.
Monday Night
Partly cloudy, with a low around 1.
Tuesday
Mostly sunny, with a high near 17.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oshkosh WI
 44.02°N 88.53°W (Elev. 748 ft)
Last Update:
4:12 am CST Jan 21, 2026
Forecast Valid:
5am CST Jan 21, 2026-6pm CST Jan 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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