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

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Mostly Cloudy

64°F

18°C

Humidity 58%
Wind Speed Calm
Barometer 29.79 in (1008.6 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 15 Jun 8:53 pm CDT
Extended Forecast for

Waterloo WI

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 55. Southwest wind 5 to 10 mph.

    Low: 55 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 71. Southwest wind 10 to 15 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 7pm, then a chance of showers after 4am. Partly cloudy, with a low around 51. Northwest wind 5 to 10 mph becoming southwest after midnight. Chance of precipitation is 30%.

    Low: 51 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 1pm. High near 70. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 70 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Southeast wind 5 to 15 mph becoming west after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers
    Likely

  • Thursday

    Thursday: Partly sunny, with a high near 72. Northwest wind around 15 mph.

    High: 72 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. West wind 5 to 10 mph.

    Low: 51 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 74. Northwest wind 5 to 15 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 55. Southwest wind 5 to 10 mph.
Tuesday
Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 71. Southwest wind 10 to 15 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A slight chance of showers and thunderstorms before 7pm, then a chance of showers after 4am. Partly cloudy, with a low around 51. Northwest wind 5 to 10 mph becoming southwest after midnight. Chance of precipitation is 30%.
Wednesday
Showers, with thunderstorms also possible after 1pm. High near 70. Southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Southeast wind 5 to 15 mph becoming west after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Partly sunny, with a high near 72. Northwest wind around 15 mph.
Thursday Night
Mostly clear, with a low around 51. West wind 5 to 10 mph.
Juneteenth
Sunny, with a high near 74. Northwest wind 5 to 15 mph.
Friday Night
Mostly clear, with a low around 52.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 76.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waterloo WI
 43.19°N 88.98°W (Elev. 850 ft)
Last Update:
9:33 pm CDT Jun 15, 2026
Forecast Valid:
9pm CDT Jun 15, 2026-6pm CDT Jun 22, 2026
 
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