Hourly Weather Forecast - Byron, IL

11 AM
28°F
10%
19mph
NNW
Mostly Cloudy
Humidity
84%
Feels like
15°F
Dew Point
24°F
12 PM
28°F
0%
18mph
NNW
Mostly Cloudy
Humidity
81%
Feels like
16°F
Dew Point
23°F
1 PM
28°F
0%
17mph
NNW
Mostly Cloudy
Humidity
78%
Feels like
16°F
Dew Point
23°F
2 PM
28°F
10%
16mph
NW
Mostly Cloudy
Humidity
77%
Feels like
17°F
Dew Point
22°F
3 PM
28°F
10%
15mph
NW
Mostly Cloudy
Humidity
77%
Feels like
17°F
Dew Point
22°F
4 PM
28°F
10%
13mph
NW
Mostly Cloudy
Humidity
78%
Feels like
17°F
Dew Point
22°F
4:25 PM
5 PM
27°F
10%
12mph
NW
Cloudy
Humidity
81%
Feels like
16°F
Dew Point
22°F
6 PM
26°F
10%
11mph
NW
Cloudy
Humidity
83%
Feels like
16°F
Dew Point
22°F
7 PM
25°F
10%
11mph
NW
Cloudy
Humidity
85%
Feels like
15°F
Dew Point
21°F
8 PM
24°F
10%
10mph
NW
Cloudy
Humidity
86%
Feels like
14°F
Dew Point
20°F
9 PM
23°F
30%
9mph
NW
30% Chance of Snow
Humidity
87%
Feels like
13°F
Dew Point
20°F
10 PM
22°F
10%
9mph
NW
Mostly Cloudy
Humidity
87%
Feels like
12°F
Dew Point
19°F
11 PM
21°F
10%
8mph
NW
Mostly Cloudy
Humidity
86%
Feels like
12°F
Dew Point
18°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide