Hourly Weather Forecast - Port Byron, IL

12 AM
36°F
10%
5mph
ESE
Cloudy
Humidity
74%
Feels like
32°F
Dew Point
28°F
1 AM
36°F
10%
4mph
ESE
Cloudy
Humidity
76%
Feels like
33°F
Dew Point
29°F
2 AM
36°F
10%
4mph
ESE
Cloudy
Humidity
78%
Feels like
33°F
Dew Point
29°F
3 AM
36°F
10%
4mph
E
Cloudy
Humidity
79%
Feels like
33°F
Dew Point
30°F
4 AM
36°F
10%
4mph
E
Cloudy
Humidity
80%
Feels like
33°F
Dew Point
31°F
5 AM
36°F
10%
5mph
E
Cloudy
Humidity
81%
Feels like
32°F
Dew Point
31°F
6 AM
37°F
10%
5mph
ESE
Cloudy
Humidity
82%
Feels like
33°F
Dew Point
32°F
6:33 AM
7 AM
37°F
10%
5mph
ESE
Cloudy
Humidity
83%
Feels like
34°F
Dew Point
33°F
8 AM
39°F
10%
5mph
ESE
Cloudy
Humidity
83%
Feels like
35°F
Dew Point
34°F
9 AM
40°F
30%
5mph
ESE
30% Chance of Light Rain
Humidity
82%
Feels like
37°F
Dew Point
35°F
10 AM
42°F
20%
5mph
ESE
Cloudy
Humidity
80%
Feels like
38°F
Dew Point
36°F
11 AM
43°F
10%
5mph
E
Cloudy
Humidity
79%
Feels like
40°F
Dew Point
37°F
12 PM
44°F
10%
5mph
E
Cloudy
Humidity
77%
Feels like
41°F
Dew Point
37°F
1 PM
45°F
30%
5mph
ENE
30% Chance of Light Rain
Humidity
75%
Feels like
42°F
Dew Point
37°F
2 PM
46°F
10%
5mph
ENE
Cloudy
Humidity
73%
Feels like
43°F
Dew Point
38°F
3 PM
46°F
30%
6mph
NE
30% Chance of Light Rain
Humidity
73%
Feels like
43°F
Dew Point
38°F
4 PM
45°F
40%
6mph
NE
40% Chance of Light Rain
Humidity
75%
Feels like
42°F
Dew Point
38°F
5 PM
44°F
40%
5mph
ENE
40% Chance of Light Rain
Humidity
80%
Feels like
40°F
Dew Point
38°F
5:53 PM
6 PM
42°F
40%
5mph
ENE
40% Chance Rain Showers
Humidity
85%
Feels like
39°F
Dew Point
38°F
7 PM
40°F
30%
5mph
ENE
30% Chance Rain Showers
Humidity
89%
Feels like
37°F
Dew Point
37°F
8 PM
39°F
20%
5mph
ENE
Partly Cloudy
Humidity
91%
Feels like
36°F
Dew Point
37°F
9 PM
38°F
30%
5mph
ENE
30% Chance Rain Showers
Humidity
92%
Feels like
35°F
Dew Point
37°F
10 PM
38°F
30%
5mph
ENE
30% Chance Rain Showers
Humidity
94%
Feels like
34°F
Dew Point
36°F
11 PM
37°F
30%
6mph
ENE
30% Chance Rain Showers
Humidity
95%
Feels like
32°F
Dew Point
36°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains tonight through the Northeast on Tuesday.

Today's Weather Outlook

Monday's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide