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

Tracking Winter Weather and Frigid Temperatures Through This Weekend

A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown (KRYV)

Lat: 43.17°NLon: 88.72°WElev: 814ft.

Overcast

34°F

1°C

Humidity 71%
Wind Speed SW 8 mph
Barometer 29.48 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 16 Jan 4:15 pm CST
Extended Forecast for

Oconomowoc WI

  • This Afternoon

    This Afternoon: A 40 percent chance of snow, mainly after 5pm. Cloudy, with a high near 34. West wind around 10 mph.

    High: 34 °F

    Chance Snow

  • Tonight

    Tonight: Snow. Low around 12. West wind 10 to 15 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 12 °F

    Snow then
    Snow Likely

  • Saturday

    Saturday: Snow likely, mainly before noon. Cloudy, with a high near 20. Wind chill values between zero and 5. West wind around 15 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 20 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 5. Wind chill values between -5 and zero. West wind around 10 mph.

    Low: 5 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: Snow likely after noon. Mostly cloudy, with a high near 17. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 17 °F

    Mostly Cloudy
    then Snow
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around -3. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: -3 °F

    Chance Snow
    then Mostly
    Cloudy and
    Breezy

  • M.L.King Day

    M.L.King Day: Partly sunny and cold, with a high near 4. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 4 °F

    Cold and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around -3. West wind 5 to 10 mph.

    Low: -3 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 16.

    High: 16 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of snow, mainly after 5pm. Cloudy, with a high near 34. West wind around 10 mph.
Tonight
Snow. Low around 12. West wind 10 to 15 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Saturday
Snow likely, mainly before noon. Cloudy, with a high near 20. Wind chill values between zero and 5. West wind around 15 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 5. Wind chill values between -5 and zero. West wind around 10 mph.
Sunday
Snow likely after noon. Mostly cloudy, with a high near 17. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around -3. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
M.L.King Day
Partly sunny and cold, with a high near 4. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around -3. West wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 16.
Tuesday Night
A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 7.
Wednesday
A 30 percent chance of snow. Partly sunny, with a high near 23.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 6.
Thursday
Mostly sunny, with a high near 16.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 4.
Friday
A 20 percent chance of snow. Mostly cloudy, with a high near 21.
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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:
3:54 pm CST Jan 16, 2026
Forecast Valid:
4pm CST Jan 16, 2026-6pm CST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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