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

Flooding Possible in the Southwest U.S.; Coastal Storm to Impact the East

Heavy to excessive rainfall is expected today into Wednesday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. A strong coastal storm will develop off the Mid-Atlantic coast Wednesday, intensifying toward southern New England this weekend. Significant coastal flooding, strong rip currents, and beach erosion from high surf expected. Read More >

Hazardous Weather Conditions

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Mostly Cloudy

58°F

14°C

Humidity 78%
Wind Speed E 7 mph
Barometer 30.35 in (1028.0 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 22 Sep 10:53 am CDT
Extended Forecast for

Monona WI

  • Today

    Today: Showers likely, mainly before noon. Partly sunny, with a high near 62. East wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Showers
    Likely

  • Tonight

    Tonight: Partly cloudy, with a low around 47. Northeast wind around 5 mph.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 65. East wind 5 to 10 mph.

    High: 65 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49. Northeast wind around 5 mph.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 66. East wind around 5 mph.

    High: 66 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49. East wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 67. Calm wind becoming southeast around 5 mph.

    High: 67 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48. East wind around 5 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

Detailed Forecast

Today
Showers likely, mainly before noon. Partly sunny, with a high near 62. East wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Partly cloudy, with a low around 47. Northeast wind around 5 mph.
Wednesday
Partly sunny, with a high near 65. East wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 49. Northeast wind around 5 mph.
Thursday
Partly sunny, with a high near 66. East wind around 5 mph.
Thursday Night
Mostly cloudy, with a low around 49. East wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 67. Calm wind becoming southeast around 5 mph.
Friday Night
Mostly cloudy, with a low around 48. East wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 66.
Saturday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 50.
Sunday
Mostly cloudy, with a high near 69.
Sunday Night
Mostly cloudy, with a low around 54.
Monday
Partly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Monona WI
 43.07°N 89.37°W (Elev. 850 ft)
Last Update:
10:32 am CDT Sep 22, 2026
Forecast Valid:
11am CDT Sep 22, 2026-6pm CDT Sep 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation