Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Severe Thunderstorms over the Plains, Heavy Rain Threat Continues over Portions of the Mississippi Valley

Heavy rainfall with localized flooding will remain possible over portions of the Mississippi Valley and the Plains through midweek. In addition, severe thunderstorms will be possible over the southern and central Plains. Some of the storms could contain damaging winds and large hail. Read More >

Hazardous Weather Conditions

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Overcast

68°F

20°C

Humidity 84%
Wind Speed W 16 G 25 mph
Barometer 29.71 in (1005.7 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 17 Aug 7:53 pm CDT
Extended Forecast for

Sun Prairie WI

  • Tonight

    Tonight: A 20 percent chance of showers before 10pm.  Mostly cloudy, with a low around 62. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Slight Chance
    Showers then
    Mostly Cloudy

    Low: 62 °F

  • Friday

    Friday: Mostly sunny, with a high near 77. Northwest wind 10 to 15 mph.

    Mostly Sunny

    High: 77 °F

  • Friday
    Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 58. West wind around 5 mph becoming calm  in the evening.

    Chance
    T-storms then
    Chance
    Showers

    Low: 58 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 80. Calm wind becoming west around 5 mph in the morning.

    Mostly Sunny

    High: 80 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 60. Southwest wind around 5 mph.

    Mostly Clear

    Low: 60 °F

  • Sunday

    Sunday: Sunny, with a high near 84. South wind 5 to 10 mph.

    Sunny

    High: 84 °F

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 66. South wind around 5 mph.

    Mostly Clear
    then Slight
    Chance
    T-storms

    Low: 66 °F

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 83. Southwest wind 5 to 10 mph.

    Chance
    T-storms

    High: 83 °F

  • Monday
    Night

    Monday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 66.

    Chance
    T-storms

    Low: 66 °F

Detailed Forecast

Tonight
A 20 percent chance of showers before 10pm. Mostly cloudy, with a low around 62. West wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 77. Northwest wind 10 to 15 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 58. West wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 80. Calm wind becoming west around 5 mph in the morning.
Saturday Night
Mostly clear, with a low around 60. Southwest wind around 5 mph.
Sunday
Sunny, with a high near 84. South wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. South wind around 5 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 83. Southwest wind 5 to 10 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 75.
Click Map For Forecast
Point Forecast:
Sun Prairie WI
 43.17°N 89.24°W (Elev. 965 ft)
5:37 pm CDT Aug 17, 2017
8pm CDT Aug 17, 2017-6pm CDT Aug 24, 2017
 
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