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.

Fair

41°F

5°C

Humidity 86%
Wind Speed N 8 mph
Barometer 29.74 in (1007.3 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 10 Mar 2:53 am CDT
Extended Forecast for

Sun Prairie WI

  • Overnight

    Overnight: Mostly clear, with a low around 38. Northeast wind around 10 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers after 5pm. Mostly sunny, with a high near 50. East wind 10 to 15 mph.

    High: 50 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of rain after 4am. Low around 33. Northeast 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: Rain and snow likely before 1pm, then a chance of snow between 1pm and 4pm, then a chance of rain and snow after 4pm. Cloudy, with a high near 40. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 24. Northwest wind 5 to 10 mph.

    Low: 24 °F

    Chance Rain
    then Mostly
    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 46. West wind 5 to 10 mph.

    High: 46 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Rain before 4am, then rain and snow. Low around 34. Breezy, with a south wind 10 to 20 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 and
    Breezy

  • Friday

    Friday: Snow before 7am. High near 45. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 45 °F

    Breezy. Snow
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 38. Northeast wind around 10 mph.
Tuesday
A 30 percent chance of showers after 5pm. Mostly sunny, with a high near 50. East wind 10 to 15 mph.
Tuesday Night
Showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of rain after 4am. Low around 33. Northeast 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
Rain and snow likely before 1pm, then a chance of snow between 1pm and 4pm, then a chance of rain and snow after 4pm. Cloudy, with a high near 40. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday Night
A 30 percent chance of rain before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 24. Northwest wind 5 to 10 mph.
Thursday
Increasing clouds, with a high near 46. West wind 5 to 10 mph.
Thursday Night
Rain before 4am, then rain and snow. Low around 34. Breezy, with a south wind 10 to 20 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
Snow before 7am. High near 45. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Friday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 27.
Saturday
A chance of snow before 1pm, then a chance of rain and snow. Cloudy, with a high near 44. Chance of precipitation is 40%.
Saturday Night
Rain and snow likely. Cloudy, with a low around 30. Chance of precipitation is 70%.
Sunday
Rain and snow. The snow could be heavy at times. High near 37. Chance of precipitation is 80%.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 13.
Monday
A 20 percent chance of snow. Mostly cloudy, with a high near 26.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sun Prairie WI
 43.17°N 89.24°W (Elev. 965 ft)
Last Update:
2:36 am CDT Mar 10, 2026
Forecast Valid:
3am CDT Mar 10, 2026-6pm CDT Mar 16, 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