Hourly Weather Forecast - Winnebago, IL

12 AM
15°F
10%
17mph
WNW
Partly Cloudy
Humidity
69%
Feels like
-1°F
Dew Point
6°F
1 AM
14°F
10%
16mph
WNW
Partly Cloudy
Humidity
69%
Feels like
-2°F
Dew Point
5°F
2 AM
13°F
10%
15mph
WNW
Partly Cloudy
Humidity
69%
Feels like
-3°F
Dew Point
5°F
3 AM
12°F
10%
14mph
WNW
Partly Cloudy
Humidity
70%
Feels like
-4°F
Dew Point
4°F
4 AM
11°F
10%
13mph
WNW
Partly Cloudy
Humidity
70%
Feels like
-4°F
Dew Point
3°F
5 AM
11°F
10%
12mph
WNW
Partly Cloudy
Humidity
70%
Feels like
-4°F
Dew Point
3°F
6 AM
10°F
10%
12mph
NW
Partly Cloudy
Humidity
70%
Feels like
-4°F
Dew Point
3°F
7 AM
11°F
10%
11mph
WNW
Partly Cloudy
Humidity
70%
Feels like
-3°F
Dew Point
3°F
7:21 AM
8 AM
12°F
10%
11mph
WNW
Mostly Sunny
Humidity
69%
Feels like
-2°F
Dew Point
4°F
9 AM
13°F
10%
10mph
WNW
Sunny
Humidity
68%
Feels like
0°F
Dew Point
5°F
10 AM
15°F
10%
8mph
W
Sunny
Humidity
65%
Feels like
4°F
Dew Point
5°F
11 AM
17°F
10%
6mph
WSW
Sunny
Humidity
62%
Feels like
8°F
Dew Point
6°F
12 PM
19°F
10%
7mph
SW
Sunny
Humidity
59%
Feels like
10°F
Dew Point
7°F
1 PM
21°F
10%
8mph
SSW
Sunny
Humidity
57%
Feels like
11°F
Dew Point
8°F
2 PM
22°F
10%
9mph
SSW
Mostly Sunny
Humidity
56%
Feels like
12°F
Dew Point
9°F
3 PM
23°F
10%
9mph
S
Mostly Sunny
Humidity
56%
Feels like
13°F
Dew Point
10°F
4 PM
23°F
10%
10mph
S
Mostly Sunny
Humidity
57%
Feels like
13°F
Dew Point
10°F
4:26 PM
5 PM
23°F
10%
10mph
SSE
Clear
Humidity
60%
Feels like
13°F
Dew Point
11°F
6 PM
23°F
10%
11mph
SSE
Clear
Humidity
62%
Feels like
12°F
Dew Point
12°F
7 PM
23°F
10%
11mph
SSE
Clear
Humidity
64%
Feels like
12°F
Dew Point
13°F
8 PM
23°F
10%
12mph
S
Mostly Clear
Humidity
67%
Feels like
12°F
Dew Point
14°F
9 PM
24°F
10%
12mph
S
Partly Cloudy
Humidity
68%
Feels like
12°F
Dew Point
15°F
10 PM
24°F
10%
13mph
S
Partly Cloudy
Humidity
69%
Feels like
13°F
Dew Point
15°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

In the path of a weak low-pressure system that brings snow to the Midwest and Northeast, extreme cold weather and brutally cold wind chill values will bring a bitter cold to much of the Nation.

Snowfall forecast through Sunday evening.

Snow Spreads Across the Ohio Valley into the Mid-Atlantic

Weekend Weather Outlook

Weekend Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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