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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

A Few Clouds

78°F

26°C

Humidity 47%
Wind Speed S 15 mph
Barometer 30.01 in (1015.9 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 10 Oct 12:53 pm CDT
Extended Forecast for

Waterloo WI

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. South wind around 15 mph, with gusts as high as 25 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. South wind 5 to 15 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79. South wind 5 to 10 mph.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 61. South wind 5 to 10 mph.

    Low: 61 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 82. Southwest wind 10 to 15 mph.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 63. Southwest wind 5 to 10 mph.

    Low: 63 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. West wind around 10 mph becoming northwest in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers. Mostly sunny, with a high near 66.

    High: 66 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 81. South wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 56. South wind 5 to 15 mph.
Sunday
Sunny, with a high near 79. South wind 5 to 10 mph.
Sunday Night
Increasing clouds, with a low around 61. South wind 5 to 10 mph.
Columbus Day
Mostly sunny, with a high near 82. Southwest wind 10 to 15 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 63. Southwest wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 73. West wind around 10 mph becoming northwest in the afternoon.
Tuesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 66.
Wednesday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 49.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 65.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 46.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 60. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waterloo WI
 43.19°N 89°W (Elev. 886 ft)
Last Update:
1:34 pm CDT Oct 10, 2026
Forecast Valid:
1pm CDT Oct 10, 2026-6pm CDT Oct 16, 2026
 
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Additional Resources

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Chance of Precipitation