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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 43.77°N 88.43°W (Text-Only)
NWS Forecast for: Fond du Lac WI
Issued by: National Weather Service Milwaukee, WI
Last Update: 7:01 pm CDT Jun 29, 2026		Print

  • Tonight

    Tonight: Partly cloudy, with a low around 77. South wind 10 to 15 mph.

    Low: 77 °F

    Partly Cloudy



  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 94. Heat index values as high as 107. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Hot



  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Southwest wind 10 to 15 mph. Chance of precipitation is 40%.

    Low: 75 °F

    Chance
    Showers


  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 1pm. Sunny and hot, with a high near 93. Heat index values as high as 101. Southwest wind 10 to 15 mph. Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday
    Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Southwest wind 10 to 15 mph.

    Low: 74 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny and hot, with a high near 92. Southwest wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday
    Night

    Thursday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 71. Southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Showers
    Likely


  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Showers
    Likely


  • Friday
    Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms




    • Tonight: Partly cloudy, with a low around 77. South wind 10 to 15 mph.

    Tuesday: Mostly sunny and hot, with a high near 94. Heat index values as high as 107. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Southwest wind 10 to 15 mph. Chance of precipitation is 40%.

    Wednesday: A slight chance of showers, with thunderstorms also possible after 1pm. Sunny and hot, with a high near 93. Heat index values as high as 101. Southwest wind 10 to 15 mph. Chance of precipitation is 20%.

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Southwest wind 10 to 15 mph.

    Thursday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny and hot, with a high near 92. Southwest wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Thursday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 71. Southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Friday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.

    Independence Day: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Sunday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.

    Sunday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.

    Monday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.


    Fond du Lac WI
     43.77°N 88.43°W (Elev. 778 ft)

    Visit your local NWS office at: https://www.weather.gov/mkx