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.

Partly Cloudy

46°F

8°C

Humidity 77%
Wind Speed Calm
Barometer 29.72 in (1006.6 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 9 Mar 10:53 pm CDT
Extended Forecast for

3 Miles SW Cottage Grove WI

  • Tonight

    Tonight: Mostly clear, with a low around 39. Light northeast wind increasing to 5 to 10 mph after midnight.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Increasing clouds, with a high near 51. Northeast wind 10 to 15 mph.

    High: 51 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 7pm, then rain and possibly a thunderstorm between 7pm and 1am, then rain likely after 1am. Low around 33. North wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 33 °F

    Showers

  • Wednesday

    Wednesday: A chance of rain before 10am, then a chance of rain and snow between 10am and 1pm, then a chance of snow after 1pm. Cloudy, with a high near 40. Northwest wind around 15 mph. Chance of precipitation is 40%.

    High: 40 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. Northwest wind 5 to 10 mph.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 45. West wind 5 to 10 mph becoming southwest in the afternoon.

    High: 45 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Rain likely before 1am, then rain and snow. Low around 34. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Rain Likely
    then
    Rain/Snow

  • Friday

    Friday: A slight chance of rain and snow before 1pm. Partly sunny, with a high near 45. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Friday Night

    Friday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 39. Light northeast wind increasing to 5 to 10 mph after midnight.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Increasing clouds, with a high near 51. Northeast wind 10 to 15 mph.
Tuesday Night
A chance of showers and thunderstorms before 7pm, then rain and possibly a thunderstorm between 7pm and 1am, then rain likely after 1am. Low around 33. North wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of rain before 10am, then a chance of rain and snow between 10am and 1pm, then a chance of snow after 1pm. Cloudy, with a high near 40. Northwest wind around 15 mph. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 23. Northwest wind 5 to 10 mph.
Thursday
Increasing clouds, with a high near 45. West wind 5 to 10 mph becoming southwest in the afternoon.
Thursday Night
Rain likely before 1am, then rain and snow. Low around 34. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A slight chance of rain and snow before 1pm. Partly sunny, with a high near 45. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Friday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 28.
Saturday
A chance of snow before 1pm, then a slight chance of rain and snow. Cloudy, with a high near 42. Chance of precipitation is 30%.
Saturday Night
Rain and snow likely. Cloudy, with a low around 30. Chance of precipitation is 70%.
Sunday
Rain and snow likely. Cloudy, with a high near 38. Chance of precipitation is 70%.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 15.
Monday
Mostly cloudy, with a high near 27.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Cottage Grove WI
 43.04°N 89.25°W (Elev. 892 ft)
Last Update:
10:34 pm CDT Mar 9, 2026
Forecast Valid:
11pm CDT Mar 9, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation