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.

Overcast

32°F

0°C

Humidity 82%
Wind Speed SW 9 mph
Barometer 29.90 in (1013.3 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 8 Mar 12:53 am CDT
Extended Forecast for

Sun Prairie WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 33. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 61. Southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 67. Southwest wind 5 to 10 mph.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. South wind around 5 mph becoming east in the evening.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Rain likely after noon. Increasing clouds, with a high near 60. East wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Sunny then
    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 33. North wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 33 °F

    Rain

  • Wednesday

    Wednesday: Rain and snow likely before noon, then a chance of snow. Mostly cloudy, with a high near 40. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 40 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight. Mostly clear, with a low around 22.

    Low: 22 °F

    Slight Chance
    Snow then
    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 33. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 61. Southwest wind around 15 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 44. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 67. Southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 41. South wind around 5 mph becoming east in the evening.
Tuesday
Rain likely after noon. Increasing clouds, with a high near 60. East wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain and possibly a thunderstorm. Low around 33. North wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Rain and snow likely before noon, then a chance of snow. Mostly cloudy, with a high near 40. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 20 percent chance of snow before midnight. Mostly clear, with a low around 22.
Thursday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 42.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Friday
A slight chance of rain and snow. Mostly cloudy, with a high near 46. Breezy. Chance of precipitation is 20%.
Friday Night
A 20 percent chance of snow. Partly cloudy, with a low around 24.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sun Prairie WI
 43.17°N 89.24°W (Elev. 965 ft)
Last Update:
12:22 am CST Mar 8, 2026
Forecast Valid:
12am CST Mar 8, 2026-6pm CDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation