Hourly Weather Forecast - Piasa, IL

1 AM
28°F
0%
10mph
S
Mostly Cloudy
Humidity
80%
Feels like
18°F
Dew Point
22°F
2 AM
28°F
0%
11mph
S
Mostly Cloudy
Humidity
81%
Feels like
19°F
Dew Point
23°F
3 AM
29°F
0%
11mph
S
Cloudy
Humidity
82%
Feels like
20°F
Dew Point
24°F
4 AM
30°F
0%
11mph
SSW
Cloudy
Humidity
83%
Feels like
20°F
Dew Point
26°F
5 AM
30°F
0%
11mph
SSW
Mostly Cloudy
Humidity
86%
Feels like
21°F
Dew Point
27°F
6 AM
31°F
0%
11mph
SSW
Mostly Cloudy
Humidity
87%
Feels like
22°F
Dew Point
28°F
7 AM
32°F
0%
11mph
SSW
Mostly Clear
Humidity
86%
Feels like
24°F
Dew Point
29°F
7:07 AM
8 AM
34°F
0%
11mph
SSW
Sunny
Humidity
84%
Feels like
26°F
Dew Point
29°F
9 AM
35°F
0%
11mph
SW
Sunny
Humidity
81%
Feels like
28°F
Dew Point
30°F
10 AM
38°F
0%
11mph
SW
Mostly Sunny
Humidity
78%
Feels like
31°F
Dew Point
31°F
11 AM
41°F
0%
11mph
SW
Partly Cloudy
Humidity
73%
Feels like
34°F
Dew Point
33°F
12 PM
43°F
0%
11mph
SW
Partly Cloudy
Humidity
70%
Feels like
37°F
Dew Point
34°F
1 PM
44°F
0%
10mph
SSW
Partly Cloudy
Humidity
68%
Feels like
39°F
Dew Point
35°F
2 PM
45°F
0%
11mph
SSW
Mostly Cloudy
Humidity
68%
Feels like
40°F
Dew Point
35°F
3 PM
46°F
0%
12mph
S
Partly Cloudy
Humidity
68%
Feels like
40°F
Dew Point
36°F
4 PM
45°F
0%
12mph
S
Partly Cloudy
Humidity
69%
Feels like
39°F
Dew Point
36°F
4:37 PM
5 PM
44°F
0%
13mph
S
Mostly Cloudy
Humidity
72%
Feels like
37°F
Dew Point
35°F
6 PM
43°F
0%
13mph
S
Cloudy
Humidity
74%
Feels like
36°F
Dew Point
35°F
7 PM
43°F
0%
14mph
SSW
Cloudy
Humidity
75%
Feels like
35°F
Dew Point
35°F
8 PM
43°F
0%
15mph
SSW
Cloudy
Humidity
75%
Feels like
35°F
Dew Point
35°F
9 PM
43°F
10%
16mph
SSW
Cloudy
Humidity
75%
Feels like
36°F
Dew Point
36°F
10 PM
44°F
10%
16mph
SW
Cloudy
Humidity
74%
Feels like
36°F
Dew Point
36°F
11 PM
44°F
20%
16mph
SW
Cloudy
Humidity
74%
Feels like
37°F
Dew Point
36°F

Rainfall Forecast for Northwest through Thursday

Persistent, Flooding Rain Impacts the Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snowfall forecast Through Tonight

Impactful Winter Storm Exits Virginia, N.C. Tonight

Tuesday's Weather Outlook

Tuesday'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