Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

A Few Clouds

42°F

6°C

Humidity 100%
Wind Speed Calm
Barometer 30.31 in (1027.1 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 3 Oct 7:53 am CDT
Extended Forecast for

Waterloo WI

  • Today

    Today: Sunny, with a high near 65. South wind 5 to 10 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: A chance of sprinkles with a slight chance of showers before midnight, then a chance of showers between midnight and 3am.  Mostly cloudy, then gradually becoming mostly clear, with a low around 49. South wind around 5 mph.  Chance of precipitation is 30%.

    Low: 49 °F

    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 64. Northwest wind 5 to 15 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 40. Northwest wind around 5 mph.

    Low: 40 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 64. Calm wind becoming north around 5 mph.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 40. Calm wind becoming south around 5 mph.

    Low: 40 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68. South wind 5 to 15 mph.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. South wind around 10 mph.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 65. South wind 5 to 10 mph.
Tonight
A chance of sprinkles with a slight chance of showers before midnight, then a chance of showers between midnight and 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 49. South wind around 5 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 64. Northwest wind 5 to 15 mph.
Sunday Night
Clear, with a low around 40. Northwest wind around 5 mph.
Monday
Sunny, with a high near 64. Calm wind becoming north around 5 mph.
Monday Night
Clear, with a low around 40. Calm wind becoming south around 5 mph.
Tuesday
Sunny, with a high near 68. South wind 5 to 15 mph.
Tuesday Night
Mostly clear, with a low around 49. South wind around 10 mph.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Waterloo WI
 43.19°N 89°W (Elev. 886 ft)
9:31 am CDT Oct 3, 2026
9am CDT Oct 3, 2026-6pm CDT Oct 9, 2026
 
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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