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

52°F

11°C

Humidity 47%
Wind Speed E 9 mph
Barometer 30.32 in (1027.2 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 21 May 1:53 pm CDT
Extended Forecast for

Cottage Grove WI

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 58. Northeast wind around 15 mph.

    High: 58 °F

    Mostly Cloudy

  • Tonight

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

    Low: 44 °F

    Mostly Cloudy

  • Friday

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

    High: 64 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 49. East wind 5 to 10 mph.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers. Mostly cloudy, with a high near 70. East wind around 5 mph.

    High: 70 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 51. East wind around 5 mph becoming calm.

    Low: 51 °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 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 58. Northeast wind around 15 mph.
Tonight
Mostly cloudy, with a low around 44. East wind around 10 mph.
Friday
Partly sunny, with a high near 64. East wind 10 to 15 mph.
Friday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 49. East wind 5 to 10 mph.
Saturday
A 20 percent chance of showers. Mostly cloudy, with a high near 70. East wind around 5 mph.
Saturday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 51. 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 53. Calm wind.
Memorial Day
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 86.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Wednesday
A 30 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
 43.07°N 89.22°W (Elev. 850 ft)
Last Update:
1:34 pm CDT May 21, 2026
Forecast Valid:
2pm CDT May 21, 2026-6pm CDT May 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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