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Hazardous Weather Conditions

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Fair

44°F

7°C

Humidity 83%
Wind Speed Calm
Barometer 29.59 in (1002.2 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 4 May 3:53 am CDT
Extended Forecast for

Waterloo WI

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 78. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 78 °F

    Sunny then
    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 3am. Mostly cloudy, with a low around 42. Northwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 42 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 56. Northwest wind 5 to 10 mph.

    High: 56 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. Northwest wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 55. Northwest wind 5 to 10 mph.

    High: 55 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Areas of frost after 3am. Otherwise, mostly cloudy, with a low around 36. Northwest wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Mostly Cloudy
    then Areas
    Frost

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Areas of frost before 7am. Otherwise, mostly sunny, with a high near 58. Light west wind increasing to 5 to 10 mph in the morning.

    High: 58 °F

    Areas Frost
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 38. West wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 78. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 3am. Mostly cloudy, with a low around 42. Northwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 56. Northwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 36. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 55. Northwest wind 5 to 10 mph.
Wednesday Night
Areas of frost after 3am. Otherwise, mostly cloudy, with a low around 36. Northwest wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers after 1pm. Areas of frost before 7am. Otherwise, mostly sunny, with a high near 58. Light west wind increasing to 5 to 10 mph in the morning.
Thursday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 38. West wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Sunny, with a high near 66.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 43.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo WI
 43.19°N 88.98°W (Elev. 850 ft)
Last Update:
2:37 am CDT May 4, 2026
Forecast Valid:
4am CDT May 4, 2026-6pm CDT May 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation