National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown (KRYV)

Lat: 43.17°NLon: 88.72°WElev: 814ft.

Mostly Cloudy

32°F

0°C

Humidity 62%
Wind Speed W 13 mph
Barometer 29.89 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 10 Jan 3:35 pm CST
Extended Forecast for

Oconomowoc WI

  • This Afternoon

    This Afternoon: A 40 percent chance of snow showers after 5pm. Partly sunny, with a high near 34. West wind 10 to 15 mph.

    High: 34 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: A 50 percent chance of snow showers between 1am and 5am. Mostly cloudy, with a low around 19. West wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 19 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 31. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 31 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24. Southwest wind 5 to 10 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 40. West wind 5 to 10 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 31. Southwest wind 5 to 10 mph.

    Low: 31 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 45. West wind 10 to 15 mph.

    High: 45 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A slight chance of rain before midnight, then a chance of rain and snow. Cloudy, with a low around 23. West wind around 10 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly before noon. Partly sunny, with a high near 28.

    High: 28 °F

    Chance Snow

Detailed Forecast

This Afternoon
A 40 percent chance of snow showers after 5pm. Partly sunny, with a high near 34. West wind 10 to 15 mph.
Tonight
A 50 percent chance of snow showers between 1am and 5am. Mostly cloudy, with a low around 19. West wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 31. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 24. Southwest wind 5 to 10 mph.
Monday
Sunny, with a high near 40. West wind 5 to 10 mph.
Monday Night
Increasing clouds, with a low around 31. Southwest wind 5 to 10 mph.
Tuesday
A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 45. West wind 10 to 15 mph.
Tuesday Night
A slight chance of rain before midnight, then a chance of rain and snow. Cloudy, with a low around 23. West wind around 10 mph. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of snow, mainly before noon. Partly sunny, with a high near 28.
Wednesday Night
Partly cloudy, with a low around 13.
Thursday
A 30 percent chance of snow. Partly sunny, with a high near 27.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 32.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 15.
Saturday
A 20 percent chance of snow. Mostly cloudy, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oconomowoc WI
 43.11°N 88.51°W (Elev. 860 ft)
Last Update:
3:13 pm CST Jan 10, 2026
Forecast Valid:
3pm CST Jan 10, 2026-6pm CST Jan 17, 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