Hourly Weather Forecast - Port Byron, IL

4:33 PM
5 PM
20°F
0%
7mph
SSE
Partly Cloudy
Humidity
68%
Feels like
11°F
Dew Point
11°F
6 PM
20°F
0%
8mph
SSE
Partly Cloudy
Humidity
69%
Feels like
11°F
Dew Point
12°F
7 PM
21°F
0%
9mph
SE
Partly Cloudy
Humidity
69%
Feels like
11°F
Dew Point
13°F
8 PM
22°F
0%
10mph
SSE
Partly Cloudy
Humidity
69%
Feels like
12°F
Dew Point
14°F
9 PM
24°F
0%
11mph
SSE
Mostly Clear
Humidity
68%
Feels like
13°F
Dew Point
15°F
10 PM
25°F
0%
12mph
SSE
Mostly Clear
Humidity
67%
Feels like
14°F
Dew Point
16°F
11 PM
27°F
0%
13mph
S
Partly Cloudy
Humidity
66%
Feels like
16°F
Dew Point
17°F

Forecast Wind Gusts For Today

Storm Pummels Eastern U.S.

A strong disturbance will sweep across the eastern U.S. today bringing various impacts including rain and thunderstorms, snow and even strong wind gusts.

Rain And Snow Totals Through Tonight

Atmospheric River Impacts Pacific Northwest

NOAA, NCDC

White Christmas? What Are The Odds

Weekend Weather Outlook

Weekend Weather Outlook

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide