NimbocastSun Prairie, WI Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Sun Prairie, Dane County, Wisconsin.
Updated Jul 29, 2026, 3:47 PM local time · Radar refreshes every 5 minutes
☀️
Sun Prairie
83°F
Wind 5 mph
Humidity 41%
Cloud cover 0%
UV index 7
Alerts 0
Active alerts
✓
No active National Weather Service alerts for Sun Prairie, WI.
Sun Prairie weather radar
Light
Heavy
Next 24 hours
Now
☀️
82°F
4 PM
☀️
83°F
5 PM
☀️
83°F
6 PM
☀️
82°F
7 PM
☀️
82°F
8 PM
☀️
78°F
9 PM
☀️
74°F
10 PM
☀️
72°F
11 PM
☀️
70°F
12 AM
☀️
68°F
1 AM
☀️
67°F
2 AM
☀️
66°F
3 AM
☀️
65°F
4 AM
☀️
64°F
5 AM
☀️
63°F
6 AM
☀️
63°F
7 AM
☀️
65°F
8 AM
☀️
70°F
9 AM
☁️
75°F
10 AM
⛅
79°F
11 AM
☁️
82°F
12 PM
☁️
85°F
1 PM
☁️
87°F
2 PM
☁️
88°F
7-day forecast
Today
Jul 29
🌤️
83°F
58°F
Thu
Jul 30
☁️
90°F
63°F
Fri
Jul 31
🌧️
80°F
60°F
76%
Sat
Aug 1
🌦️
75°F
60°F
63%
Sun
Aug 2
☀️
76°F
55°F
6%
Mon
Aug 3
⛅
81°F
57°F
3%
Tue
Aug 4
🌤️
81°F
62°F
7%
Weather near Sun Prairie
12 mi
Madison, WI16 mi
Middleton, WI20 mi
Fitchburg, WI24 mi
Watertown, WI27 mi
Beaver Dam, WI36 mi
Janesville, WI36 mi
Oconomowoc, WI48 mi
Beloit, WI
Alerts are relayed from the National Weather Service and may lag
the official source. In a life-threatening situation always follow
weather.gov and local emergency
broadcasts.