Hourly Weather Forecast - Sun Prairie, WI

12 AM
16°F
0%
6mph
WSW
Cloudy
Humidity
78%
Feels like
8°F
Dew Point
11°F
1 AM
17°F
0%
6mph
WSW
Cloudy
Humidity
78%
Feels like
8°F
Dew Point
11°F
2 AM
17°F
0%
6mph
W
Cloudy
Humidity
78%
Feels like
8°F
Dew Point
11°F
3 AM
17°F
0%
6mph
W
Cloudy
Humidity
80%
Feels like
8°F
Dew Point
12°F
4 AM
17°F
0%
6mph
W
Cloudy
Humidity
80%
Feels like
8°F
Dew Point
12°F
5 AM
17°F
0%
6mph
W
Cloudy
Humidity
81%
Feels like
8°F
Dew Point
12°F
6 AM
16°F
0%
6mph
WNW
Cloudy
Humidity
82%
Feels like
8°F
Dew Point
12°F
7 AM
17°F
0%
6mph
WNW
Mostly Cloudy
Humidity
80%
Feels like
8°F
Dew Point
12°F
7:29 AM
8 AM
18°F
0%
6mph
WNW
Mostly Cloudy
Humidity
81%
Feels like
9°F
Dew Point
13°F
9 AM
19°F
0%
6mph
WNW
Partly Cloudy
Humidity
81%
Feels like
10°F
Dew Point
14°F
10 AM
20°F
0%
7mph
NW
Partly Cloudy
Humidity
77%
Feels like
11°F
Dew Point
14°F
11 AM
20°F
0%
7mph
NW
Partly Cloudy
Humidity
76%
Feels like
11°F
Dew Point
14°F
12 PM
21°F
0%
7mph
NW
Mostly Sunny
Humidity
71%
Feels like
12°F
Dew Point
13°F
1 PM
22°F
0%
7mph
NW
Mostly Sunny
Humidity
69%
Feels like
13°F
Dew Point
13°F
2 PM
21°F
0%
7mph
NW
Mostly Sunny
Humidity
69%
Feels like
12°F
Dew Point
13°F
3 PM
20°F
0%
7mph
NW
Mostly Sunny
Humidity
70%
Feels like
11°F
Dew Point
12°F
4 PM
19°F
0%
7mph
NW
Mostly Sunny
Humidity
73%
Feels like
10°F
Dew Point
12°F
4:33 PM
5 PM
18°F
0%
6mph
WNW
Mostly Clear
Humidity
74%
Feels like
9°F
Dew Point
11°F
6 PM
17°F
0%
6mph
WNW
Partly Cloudy
Humidity
75%
Feels like
8°F
Dew Point
11°F
7 PM
17°F
0%
6mph
WNW
Partly Cloudy
Humidity
74%
Feels like
7°F
Dew Point
10°F
8 PM
16°F
0%
7mph
NW
Partly Cloudy
Humidity
74%
Feels like
6°F
Dew Point
9°F
9 PM
15°F
0%
7mph
NW
Mostly Cloudy
Humidity
73%
Feels like
5°F
Dew Point
8°F
10 PM
14°F
0%
7mph
NW
Mostly Cloudy
Humidity
73%
Feels like
4°F
Dew Point
7°F
11 PM
13°F
0%
6mph
NW
Mostly Cloudy
Humidity
73%
Feels like
3°F
Dew Point
6°F

Tuesday's Weather Outlook

Today's Weather Outlook

Old Man Winter delivers plenty of cold and snow to the eastern third of the U.S. today.

St. Louis Tornado - May 16th, 2025

2025 Year in Review: Billion-Dollar Disasters From May through June

EF3 tornado damage near Plantersville, Alabama

2025 Year in Review: Billion-Dollar Disasters From February Through April

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Large wall of dust approaching Phoenix Sky Harbor Airport at around 5:30 PM MST (Photo credit: Mike Olbinski via NWS)

2025 Year in Review: Extreme Weather - July Through December

A frame from an automated video of a tornado and its mesocyclone that derailed multiple train cars near Enderlin, North Dakota and destroyed multiple homes on June 20, 2025. (ChrisWx via Wikimedia Commons)

2025 Year in Review: Extreme Weather - January through June

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide