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

Hazardous Weather Conditions

Current conditions at

Watertown (KRYV)

Lat: 43.17°NLon: 88.72°WElev: 814ft.

Fog/Mist

38°F

3°C

Humidity 98%
Wind Speed E 6 mph
Barometer 29.63 in
Dewpoint 38°F (3°C)
Visibility 3.00 mi
Wind Chill33°F (1°C)
Last update 28 Dec 7:15 am CST
Extended Forecast for

Oconomowoc WI

Wind Advisory December 28, 06:00pm until December 29, 06:00pm
Winter Weather Advisory December 28, 06:00pm until December 29, 12:00pm
Dense Fog Advisory December 28, 07:39am until December 28, 12:00pm
Click here for hazard details and duration
Wind Advisory
Winter Weather Advisory
Dense Fog Advisory
  •  
    Dense Fog Advisory December 28, 07:39am until December 28, 12:00pm

    NOW until 12:00pm Sun

    Dense Fog Advisory

  • Today

    High: 44 °F

    Rain Likely
    and Areas Fog
    then Rain and
    Areas Fog

  • Tonight

    Tonight: Rain, possibly mixed with snow, becoming all snow after 9pm. Patchy blowing snow after 9pm. Low around 18. Windy, with a west wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 18 °F

    Rain/Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: Snow before 9am. Areas of blowing snow. High near 23. Wind chill values between zero and 5. Windy, with a northwest wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 23 °F

    Snow and
    Areas Blowing
    Snow

  • Monday Night

    Monday Night: Patchy blowing snow before 10pm. Partly cloudy, with a low around 8. Wind chill values between -5 and zero. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 8 °F

    Patchy
    Blowing Snow
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon. Partly sunny, with a high near 26. West wind around 10 mph.

    High: 26 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 19. West wind around 10 mph.

    Low: 19 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 26. Northwest wind 10 to 15 mph.

    High: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 8. Northwest wind 5 to 10 mph.

    Low: 8 °F

    Chance Snow
    then Partly
    Cloudy

Detailed Forecast

Today
Rain, mainly after 9am. Areas of fog. High near 44. East wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain, possibly mixed with snow, becoming all snow after 9pm. Patchy blowing snow after 9pm. Low around 18. Windy, with a west wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Monday
Snow before 9am. Areas of blowing snow. High near 23. Wind chill values between zero and 5. Windy, with a northwest wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday Night
Patchy blowing snow before 10pm. Partly cloudy, with a low around 8. Wind chill values between -5 and zero. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday
A 20 percent chance of snow after noon. Partly sunny, with a high near 26. West wind around 10 mph.
Tuesday Night
Mostly cloudy, with a low around 19. West wind around 10 mph.
Wednesday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 26. Northwest wind 10 to 15 mph.
Wednesday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 8. Northwest wind 5 to 10 mph.
New Year's Day
Mostly sunny, with a high near 15.
Thursday Night
Mostly clear, with a low around 4.
Friday
Mostly sunny, with a high near 23.
Friday Night
Partly cloudy, with a low around 14.
Saturday
Partly sunny, with a high near 29.
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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:
6:52 am CST Dec 28, 2025
Forecast Valid:
7am CST Dec 28, 2025-6pm CST Jan 3, 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