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

Watertown (KRYV)

Lat: 43.17°NLon: 88.72°WElev: 814ft.

Fair

61°F

16°C

Humidity 66%
Wind Speed W 10 mph
Barometer 29.49 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 15 Nov 10:15 am CST
Extended Forecast for

Sullivan WI

  • Today

    Today: Mostly sunny, with a temperature rising to near 65 by noon, then falling to around 55 during the remainder of the day. Northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 65 °F⇓

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. Northwest wind 10 to 15 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 46. Northwest wind 10 to 15 mph.

    High: 46 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 23. Northwest wind around 5 mph becoming calm in the evening.

    Low: 23 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 45. Calm wind becoming northwest around 5 mph.

    High: 45 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Rain likely, mainly after midnight. Cloudy, with a low around 31. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Rain Likely

  • Tuesday

    Tuesday: A 50 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 44. East wind 5 to 10 mph.

    High: 44 °F

    Chance Rain
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30. East wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a temperature rising to near 65 by noon, then falling to around 55 during the remainder of the day. Northwest wind around 15 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 30. Northwest wind 10 to 15 mph.
Sunday
Sunny, with a high near 46. Northwest wind 10 to 15 mph.
Sunday Night
Mostly clear, with a low around 23. Northwest wind around 5 mph becoming calm in the evening.
Monday
Increasing clouds, with a high near 45. Calm wind becoming northwest around 5 mph.
Monday Night
Rain likely, mainly after midnight. Cloudy, with a low around 31. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 50 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 44. East wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 30. East wind around 5 mph becoming calm in the evening.
Wednesday
Mostly cloudy, with a high near 48.
Wednesday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 34.
Thursday
Rain likely. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sullivan WI
 43°N 88.6°W (Elev. 846 ft)
Last Update:
9:17 am CST Nov 15, 2025
Forecast Valid:
10am CST Nov 15, 2025-6pm CST Nov 21, 2025
 
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