Hourly Weather Forecast - Port Byron, IL

4 PM
26°F
0%
4mph
E
Mostly Cloudy
Humidity
92%
Feels like
21°F
Dew Point
24°F
4:31 PM
5 PM
25°F
0%
4mph
E
Mostly Cloudy
Humidity
94%
Feels like
20°F
Dew Point
24°F
6 PM
25°F
10%
4mph
E
Cloudy
Humidity
95%
Feels like
20°F
Dew Point
24°F
7 PM
26°F
30%
5mph
E
30% Chance Freezing Rain
Humidity
95%
Feels like
20°F
Dew Point
24°F
8 PM
26°F
80%
5mph
E
80% Chance of Heavy Snow
Humidity
95%
Feels like
20°F
Dew Point
25°F
9 PM
27°F
90%
6mph
E
Snow
Humidity
94%
Feels like
21°F
Dew Point
26°F
10 PM
28°F
90%
6mph
E
Snow
Humidity
93%
Feels like
22°F
Dew Point
27°F
11 PM
29°F
90%
7mph
E
Snow
Humidity
93%
Feels like
22°F
Dew Point
27°F

Snowfall Forecast Through Tonight

Two Winter Storms Deliver Accumulating Northern U.S. Snow

A plowable snow will occur from parts of the Pacific Northwest to the Upper Midwest for the start of the weekend.

Sunday's Weather Outlook

Sunday'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)

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Image courtesy of PeakPX.

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