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

69°F

21°C

Humidity 98%
Wind Speed Calm
Barometer 29.89 in
Dewpoint 69°F (21°C)
Visibility 7.00 mi
Last update 16 Jul 2:15 am CDT
Extended Forecast for

Jefferson WI

  • Overnight

    Overnight: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. High near 88. Heat index values as high as 95. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Mostly Sunny
    then Heavy
    Rain

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and 1am, then a slight chance of showers after 1am. Mostly cloudy, with a low around 60. Southwest wind around 10 mph becoming northwest after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, with a high near 71. North wind around 10 mph.

    High: 71 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. Northeast wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77. Calm wind becoming east around 5 mph in the morning.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59. Southeast wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 68. Calm wind.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. High near 88. Heat index values as high as 95. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and 1am, then a slight chance of showers after 1am. Mostly cloudy, with a low around 60. Southwest wind around 10 mph becoming northwest after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Mostly cloudy, with a high near 71. North wind around 10 mph.
Thursday Night
Mostly clear, with a low around 52. Northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 77. Calm wind becoming east around 5 mph in the morning.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59. Southeast wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 50%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 62.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 78.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 81.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Jefferson WI
 43.01°N 88.81°W (Elev. 833 ft)
Last Update:
2:07 am CDT Jul 16, 2025
Forecast Valid:
2am CDT Jul 16, 2025-6pm CDT Jul 22, 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