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.

Fair

20°F

-7°C

Humidity 64%
Wind Speed S 13 mph
Barometer 30.21 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 1 Feb 10:55 am CST
Extended Forecast for

Sullivan WI

  • Today

    Today: A chance of flurries after 5pm. Partly sunny, with a high near 26. South wind 5 to 10 mph.

    High: 26 °F

    Chance
    Flurries

  • Tonight

    Tonight: Snow likely with a chance of flurries before 4am, then a slight chance of snow between 4am and 5am. Mostly cloudy, with a low around 14. South wind around 5 mph becoming west after midnight. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 14 °F

    Snow Likely

  • Monday

    Monday: Partly sunny, with a high near 25. Northwest wind 5 to 10 mph.

    High: 25 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 7. Northwest wind around 5 mph becoming calm in the evening.

    Low: 7 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 21. North wind around 5 mph.

    High: 21 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 3. Calm wind.

    Low: 3 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 22. Calm wind becoming northwest around 5 mph.

    High: 22 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 9. Calm wind becoming west around 5 mph.

    Low: 9 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

Today
A chance of flurries after 5pm. Partly sunny, with a high near 26. South wind 5 to 10 mph.
Tonight
Snow likely with a chance of flurries before 4am, then a slight chance of snow between 4am and 5am. Mostly cloudy, with a low around 14. South wind around 5 mph becoming west after midnight. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday
Partly sunny, with a high near 25. Northwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 7. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 21. North wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 3. Calm wind.
Wednesday
Sunny, with a high near 22. Calm wind becoming northwest around 5 mph.
Wednesday Night
Increasing clouds, with a low around 9. Calm wind becoming west around 5 mph.
Thursday
A 30 percent chance of snow after noon. Partly sunny, with a high near 33.
Thursday Night
Snow likely, possibly mixed with rain, mainly before midnight. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Friday
A 20 percent chance of snow. Mostly cloudy, with a high near 32.
Friday Night
Partly cloudy, with a low around 3.
Saturday
Mostly sunny, with a high near 17.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sullivan WI
 43.02°N 88.6°W (Elev. 846 ft)
Last Update:
7:33 am CST Feb 1, 2026
Forecast Valid:
11am CST Feb 1, 2026-6pm CST Feb 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation