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

Hazardous Weather Conditions

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Overcast

55°F

13°C

Humidity 37%
Wind Speed E 10 mph
Barometer 30.24 in (1024.2 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 21 May 6:53 pm CDT
Extended Forecast for

Cottage Grove WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. East wind 5 to 10 mph.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 64. East wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 64 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 48. East wind 5 to 15 mph.

    Low: 48 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers. Mostly cloudy, with a high near 69. East wind around 5 mph.

    High: 69 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 50. East wind around 5 mph becoming calm.

    Low: 50 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.

    High: 77 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 83. Calm wind becoming south around 5 mph in the morning.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 44. East wind 5 to 10 mph.
Friday
Partly sunny, with a high near 64. East wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 48. East wind 5 to 15 mph.
Saturday
A 20 percent chance of showers. Mostly cloudy, with a high near 69. East wind around 5 mph.
Saturday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 50. East wind around 5 mph becoming calm.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 52. Calm wind.
Memorial Day
Sunny, with a high near 83. Calm wind becoming south around 5 mph in the morning.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 85.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 58.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cottage Grove WI
 43.09°N 89.22°W (Elev. 955 ft)
Last Update:
6:32 pm CDT May 21, 2026
Forecast Valid:
7pm CDT May 21, 2026-6pm CDT May 28, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation