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.

Overcast

12°F

-11°C

Humidity 57%
Wind Speed NW 5 mph
Barometer 30.47 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 30 Jan 6:15 pm CST
Extended Forecast for

Sullivan WI

  • Tonight

    Tonight: A 20 percent chance of snow showers between 10pm and 1am. Mostly cloudy, with a low around 7. Wind chill values between -5 and zero. Northwest wind 5 to 10 mph.

    Low: 7 °F

    Slight Chance
    Snow Showers

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 21. Wind chill values between -5 and 5. North wind 5 to 10 mph.

    High: 21 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 4. Northwest wind around 5 mph becoming calm.

    Low: 4 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of snow after noon. Partly sunny, with a high near 25. Wind chill values between zero and 10. Light south wind increasing to 5 to 10 mph in the morning.

    High: 25 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 15. Southwest wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 15 °F

    Snow Likely
    then Slight
    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 26. Northwest wind 5 to 10 mph.

    High: 26 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 12. Northwest wind around 5 mph becoming calm.

    Low: 12 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow. Partly sunny, with a high near 26. Calm wind becoming northeast around 5 mph.

    High: 26 °F

    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 11.

    Low: 11 °F

    Slight Chance
    Snow

Detailed Forecast

Tonight
A 20 percent chance of snow showers between 10pm and 1am. Mostly cloudy, with a low around 7. Wind chill values between -5 and zero. Northwest wind 5 to 10 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 21. Wind chill values between -5 and 5. North wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 4. Northwest wind around 5 mph becoming calm.
Sunday
A 20 percent chance of snow after noon. Partly sunny, with a high near 25. Wind chill values between zero and 10. Light south wind increasing to 5 to 10 mph in the morning.
Sunday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 15. Southwest wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Partly sunny, with a high near 26. Northwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 12. Northwest wind around 5 mph becoming calm.
Tuesday
A 20 percent chance of snow. Partly sunny, with a high near 26. Calm wind becoming northeast around 5 mph.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 11.
Wednesday
A 20 percent chance of snow before noon. Partly sunny, with a high near 24.
Wednesday Night
Partly cloudy, with a low around 9.
Thursday
A 20 percent chance of snow. Partly sunny, with a high near 28.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 20.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 30.
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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:
5:41 pm CST Jan 30, 2026
Forecast Valid:
6pm CST Jan 30, 2026-6pm CST Feb 6, 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