Isaias Expected To Be A Strong Hurricane Approaching The Northern Gulf Coast Friday

Isaias is expected to strengthen and be a strong hurricane when it approaches the northern Gulf Coast on Friday. Damaging hurricane-force winds and life-threatening storm surge impacts are expected Friday into Saturday. Isaias will bring heavy rainfall to the northern Gulf Coast and much of the Southeast U.S. Friday into the weekend. Read More >

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Mostly Cloudy

42°F

6°C

Humidity 89%
Wind Speed Calm
Barometer 30.04 in (1017.5 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 8 Oct 6:53 am CDT
Extended Forecast for

3 Miles S Waterloo WI

  • Today

    Today: Mostly sunny, with a high near 68. West wind 5 to 10 mph.

    High: 68 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers between 2pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 70. Light southeast wind increasing to 5 to 10 mph in the morning.  Chance of precipitation is 40%.

    High: 70 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming clear, with a low around 58. Southeast wind around 10 mph.

    Low: 58 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 81. South wind 10 to 15 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59. South wind 5 to 10 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 76. South wind around 5 mph.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. South wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: A 20 percent chance of showers after 1pm.  Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 68. West wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 46. Calm wind.
Friday
A chance of showers between 2pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 70. Light southeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, then gradually becoming clear, with a low around 58. Southeast wind around 10 mph.
Saturday
Sunny, with a high near 81. South wind 10 to 15 mph.
Saturday Night
Partly cloudy, with a low around 59. South wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 76. South wind around 5 mph.
Sunday Night
Mostly clear, with a low around 55. South wind around 5 mph becoming calm in the evening.
Columbus Day
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 76.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 51.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Waterloo WI
 43.14°N 88.98°W (Elev. 823 ft)
6:21 am CDT Oct 8, 2026
7am CDT Oct 8, 2026-6pm CDT Oct 14, 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