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.

Mostly Cloudy

52°F

11°C

Humidity 66%
Wind Speed E 14 G 25 mph
Barometer 30.01 in (1016.6 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 19 May 6:53 pm CDT
Extended Forecast for

Sun Prairie WI

  • Tonight

    Tonight: Showers likely, mainly after 5am. Increasing clouds, with a low around 44. Breezy, with an east wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Breezy.
    Slight Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then showers after 4pm. High near 49. Windy, with an east wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 49 °F

    Showers and
    Windy

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 44. Breezy, with an east wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Showers and
    Breezy

  • Wednesday

    Wednesday: Showers, mainly before 1pm. High near 53. Northeast wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 43. North wind 5 to 10 mph.

    Low: 43 °F

    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers. Partly sunny, with a high near 58. North wind 10 to 15 mph.

    High: 58 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39. North wind 5 to 10 mph.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 62. Northwest wind around 10 mph.

    High: 62 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers likely, mainly after 5am. Increasing clouds, with a low around 44. Breezy, with an east wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then showers after 4pm. High near 49. Windy, with an east wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Tuesday Night
Showers and possibly a thunderstorm. Low around 44. Breezy, with an east wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Showers, mainly before 1pm. High near 53. Northeast wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 43. North wind 5 to 10 mph.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 58. North wind 10 to 15 mph.
Thursday Night
Partly cloudy, with a low around 39. North wind 5 to 10 mph.
Friday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 62. Northwest wind around 10 mph.
Friday Night
Partly cloudy, with a low around 42.
Saturday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 66.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 47.
Memorial Day
A 40 percent chance of showers. Partly sunny, with a high near 66.
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 89.21°W (Elev. 948 ft)
Last Update:
6:55 pm CDT May 19, 2025
Forecast Valid:
7pm CDT May 19, 2025-6pm CDT May 26, 2025
 
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