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

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Fair

70°F

21°C

Humidity 68%
Wind Speed NW 5 mph
Barometer 29.93 in (1013.0 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 26 Aug 8:53 pm CDT
Extended Forecast for

Cottage Grove WI

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Northwest wind around 5 mph.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80. Northwest wind 5 to 10 mph.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Calm wind becoming south around 5 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. South wind around 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 81. South wind 5 to 10 mph.

    High: 81 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers
    Likely

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 86 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 60. Northwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 80. Northwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 82. Calm wind becoming south around 5 mph.
Friday Night
Partly cloudy, with a low around 62. South wind around 5 mph.
Saturday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 81. South wind 5 to 10 mph.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. Southwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Monday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cottage Grove WI
 43.07°N 89.22°W (Elev. 850 ft)
Last Update:
8:41 pm CDT Aug 26, 2026
Forecast Valid:
9pm CDT Aug 26, 2026-6pm CDT Sep 2, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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