Hourly Weather Forecast - Potomac, IL

12 AM
32°F
30%
8mph
E
30% Chance of Snow
Humidity
57%
Feels like
25°F
Dew Point
19°F
1 AM
31°F
30%
8mph
E
30 % Chance of Heavy Snow
Humidity
59%
Feels like
24°F
Dew Point
19°F
2 AM
31°F
30%
8mph
E
30 % Chance of Heavy Snow
Humidity
62%
Feels like
23°F
Dew Point
19°F
3 AM
30°F
30%
8mph
E
30% Chance Frozen Mix
Humidity
65%
Feels like
22°F
Dew Point
19°F
4 AM
29°F
30%
8mph
E
30% Chance Freezing Rain
Humidity
69%
Feels like
21°F
Dew Point
20°F
5 AM
28°F
10%
8mph
E
Mostly Cloudy
Humidity
73%
Feels like
19°F
Dew Point
20°F
6 AM
28°F
10%
9mph
E
Mostly Cloudy
Humidity
76%
Feels like
19°F
Dew Point
21°F
6:23 AM
7 AM
29°F
10%
9mph
E
Mostly Cloudy
Humidity
76%
Feels like
20°F
Dew Point
22°F
8 AM
31°F
10%
10mph
E
Mostly Cloudy
Humidity
75%
Feels like
22°F
Dew Point
24°F
9 AM
33°F
10%
11mph
ESE
Mostly Cloudy
Humidity
73%
Feels like
24°F
Dew Point
25°F
10 AM
35°F
10%
11mph
ESE
Mostly Cloudy
Humidity
70%
Feels like
28°F
Dew Point
27°F
11 AM
38°F
10%
11mph
ESE
Mostly Cloudy
Humidity
67%
Feels like
31°F
Dew Point
28°F
12 PM
41°F
10%
11mph
ESE
Mostly Cloudy
Humidity
64%
Feels like
34°F
Dew Point
29°F
1 PM
42°F
10%
10mph
ESE
Mostly Cloudy
Humidity
62%
Feels like
37°F
Dew Point
31°F
2 PM
44°F
20%
10mph
ESE
Partly Cloudy
Humidity
61%
Feels like
39°F
Dew Point
31°F
3 PM
45°F
20%
10mph
ESE
Mostly Cloudy
Humidity
61%
Feels like
39°F
Dew Point
32°F
4 PM
44°F
10%
9mph
ESE
Mostly Cloudy
Humidity
63%
Feels like
39°F
Dew Point
32°F
5 PM
42°F
0%
7mph
ESE
Mostly Cloudy
Humidity
67%
Feels like
38°F
Dew Point
32°F
5:43 PM
6 PM
41°F
0%
6mph
ESE
Mostly Cloudy
Humidity
71%
Feels like
37°F
Dew Point
32°F
7 PM
40°F
0%
6mph
ESE
Mostly Cloudy
Humidity
74%
Feels like
36°F
Dew Point
33°F
8 PM
39°F
0%
6mph
ESE
Cloudy
Humidity
77%
Feels like
35°F
Dew Point
33°F
9 PM
39°F
10%
6mph
ESE
Cloudy
Humidity
80%
Feels like
35°F
Dew Point
33°F
10 PM
38°F
10%
5mph
ESE
Cloudy
Humidity
82%
Feels like
34°F
Dew Point
33°F
11 PM
38°F
10%
5mph
ESE
Cloudy
Humidity
84%
Feels like
34°F
Dew Point
34°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 today through the Northeast on Tuesday.

Today's Weather Outlook

Today'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