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

Hurricane and Storm Surge Watches Issued for the Northern Gulf Coast for Strengthening Tropical Storm Isaias

Tropical Storm Isaias is forecast to track toward the central Gulf Coast while strengthening into a hurricane on Thursday. There is an increasing risk of damaging hurricane-force winds and life-threatening storm surge impacts along portions of the northern Gulf Coast Friday into Saturday. Isaias will bring heavy rainfall to the central Gulf Coast and much of the Southeast Friday into the weekend. Read More >

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Fair

69°F

21°C

Humidity 49%
Wind Speed N 7 mph
Barometer 29.87 in (1011.1 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 7 Oct 10:53 am CDT
Extended Forecast for

Monona WI

  • Today

    Today: Sunny, with a high near 73. Northwest wind 5 to 10 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. West wind around 5 mph.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 68. Northwest wind 5 to 10 mph.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 71. Light south wind increasing to 5 to 10 mph in the morning.

    High: 71 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. South wind around 10 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. South wind around 10 mph.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 73. Northwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 50. West wind around 5 mph.
Thursday
Mostly sunny, with a high near 68. Northwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 48. Calm wind.
Friday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 71. Light south wind increasing to 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 59. South wind around 10 mph.
Saturday
Sunny, with a high near 80. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 60. South wind around 10 mph.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 55.
Columbus Day
A 20 percent chance of showers. Partly sunny, with a high near 73.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 50.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monona WI
 43.07°N 89.31°W (Elev. 932 ft)
Last Update:
11:31 am CDT Oct 7, 2026
Forecast Valid:
11am CDT Oct 7, 2026-6pm CDT Oct 13, 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