Hazardous Weather Conditions
Current conditions at
Madison, Dane County Regional-Truax Field (KMSN)
Lat: 43.14°NLon: 89.35°WElev: 860ft.
Light Freezing Rain
32°F
0°C
| Humidity | 88% |
| Wind Speed | E 17 mph |
| Barometer | 29.63 in (1004.2 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 21°F (-6°C) |
| Last update | 15 Mar 5:53 am CDT |
Extended Forecast for
Sun Prairie WI
Winter Storm Warning March 15, 07:00pm until March 16, 04:00pm
Today

High: 43 °F
Rain and
BreezyTonight

Low: 16 °F
Wintry Mix
and Blowing
SnowMonday

High: 21 °F
Snow Likely
and Blowing
SnowMonday Night

Low: 2 °F
Decreasing
CloudsTuesday

High: 22 °F
Sunny
Tuesday Night

Low: 15 °F
Snow
Wednesday

High: 42 °F
Decreasing
CloudsWednesday Night

Low: 30 °F
Mostly Cloudy
Thursday

High: 46 °F
Mostly Sunny
Detailed Forecast
Today
Rain and possibly a thunderstorm. High near 43. Breezy, with an east wind 15 to 20 mph becoming north in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Tonight
Snow and freezing rain, possibly mixed with sleet before 1am, then snow, possibly mixed with sleet between 1am and 2am, then snow after 2am. The snow could be heavy at times. Widespread blowing snow, mainly after 4am. Low around 16. Windy, with a north wind around 25 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow and sleet accumulation of 3 to 5 inches possible.
Monday
Snow likely, mainly before 1pm. Widespread blowing snow, mainly before 7am. Cloudy, with a high near 21. Wind chill values between -5 and 5. Windy, with a northwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 2. Wind chill values between -5 and -10. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 22. Northwest wind around 5 mph becoming southwest in the afternoon.
Tuesday Night
Snow. Low around 15. South wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 42. Southwest wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 30. Southwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 46.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Mostly cloudy, with a high near 52.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 46.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Sun Prairie WI
43.17°N 89.24°W (Elev. 965 ft)
43.17°N 89.24°W (Elev. 965 ft)
6:32 am CDT Mar 15, 2026
6am CDT Mar 15, 2026-6pm CDT Mar 21, 2026



