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

Significant Coastal Impacts to the Mid-Atlantic and Northeast; Tropical Storm Nolo to Impact Hawaii

A strong coastal storm will bring moderate to major coastal flooding, strong winds, heavy rainfall and high surf to the Mid-Atlantic and New England. Tropical Storm Nolo is expected to strengthen into a hurricane Thursday as it moves north toward the Big Island of Hawaii. Heavy rainfall will continue through Saturday, with locally catastrophic flooding possible. Hurricane Watch in effect. 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

60°F

16°C

Humidity 70%
Wind Speed E 6 mph
Barometer 30.38 in (1028.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 23 Sep 6:53 pm CDT
Extended Forecast for

3 Miles WNW Sun Prairie WI

  • Tonight

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

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 67. East wind 5 to 10 mph.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 53. East wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. East wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 66. Light east wind becoming southeast 5 to 10 mph in the morning.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 50. Southeast wind around 5 mph becoming calm.

    Low: 50 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 66. Calm wind becoming southeast around 5 mph.

    High: 66 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 50. Northeast wind around 5 mph.
Thursday
Mostly sunny, with a high near 67. East wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 53. East wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 68. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 47. East wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 66. Light east wind becoming southeast 5 to 10 mph in the morning.
Saturday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 50. Southeast wind around 5 mph becoming calm.
Sunday
Mostly cloudy, with a high near 66. Calm wind becoming southeast around 5 mph.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 70.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Sun Prairie WI
 43.2°N 89.27°W (Elev. 948 ft)
Last Update:
6:11 pm CDT Sep 23, 2026
Forecast Valid:
7pm CDT Sep 23, 2026-6pm CDT Sep 30, 2026
 
Forecast Discussion
 
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Additional Resources

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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