Hourly Weather Forecast - Piasa, IL

12 AM
29°F
0%
6mph
NW
Mostly Cloudy
Humidity
76%
Feels like
22°F
Dew Point
22°F
1 AM
28°F
0%
6mph
NW
Mostly Cloudy
Humidity
76%
Feels like
22°F
Dew Point
22°F
2 AM
28°F
0%
6mph
NW
Mostly Cloudy
Humidity
75%
Feels like
21°F
Dew Point
21°F
3 AM
27°F
0%
6mph
NW
Mostly Cloudy
Humidity
75%
Feels like
20°F
Dew Point
20°F
4 AM
27°F
10%
6mph
NW
Mostly Cloudy
Humidity
75%
Feels like
20°F
Dew Point
20°F
5 AM
26°F
10%
6mph
NW
Mostly Cloudy
Humidity
76%
Feels like
20°F
Dew Point
20°F
6 AM
26°F
10%
6mph
WNW
Partly Cloudy
Humidity
76%
Feels like
20°F
Dew Point
20°F
7 AM
27°F
20%
5mph
WNW
Partly Cloudy
Humidity
74%
Feels like
21°F
Dew Point
20°F
7:09 AM
8 AM
27°F
20%
4mph
W
Partly Cloudy
Humidity
73%
Feels like
22°F
Dew Point
20°F
9 AM
28°F
20%
4mph
W
Partly Cloudy
Humidity
71%
Feels like
23°F
Dew Point
20°F
10 AM
29°F
20%
5mph
WSW
Partly Cloudy
Humidity
67%
Feels like
24°F
Dew Point
20°F
11 AM
31°F
20%
5mph
WSW
Partly Cloudy
Humidity
62%
Feels like
26°F
Dew Point
20°F
12 PM
32°F
20%
6mph
WSW
Mostly Sunny
Humidity
58%
Feels like
27°F
Dew Point
20°F
1 PM
34°F
10%
6mph
SW
Mostly Sunny
Humidity
56%
Feels like
28°F
Dew Point
20°F
2 PM
35°F
10%
6mph
SW
Sunny
Humidity
54%
Feels like
30°F
Dew Point
20°F
3 PM
35°F
10%
6mph
SW
Sunny
Humidity
54%
Feels like
30°F
Dew Point
20°F
4 PM
34°F
20%
5mph
WSW
Mostly Sunny
Humidity
57%
Feels like
30°F
Dew Point
21°F
4:37 PM
5 PM
33°F
20%
5mph
W
Mostly Clear
Humidity
62%
Feels like
28°F
Dew Point
21°F
6 PM
31°F
20%
5mph
W
Mostly Clear
Humidity
67%
Feels like
27°F
Dew Point
22°F
7 PM
31°F
20%
4mph
WNW
Mostly Clear
Humidity
71%
Feels like
26°F
Dew Point
22°F
8 PM
30°F
20%
5mph
NW
Partly Cloudy
Humidity
74%
Feels like
25°F
Dew Point
23°F
9 PM
29°F
20%
5mph
NNW
Partly Cloudy
Humidity
77%
Feels like
24°F
Dew Point
23°F
10 PM
29°F
10%
5mph
N
Partly Cloudy
Humidity
78%
Feels like
23°F
Dew Point
23°F
11 PM
28°F
10%
5mph
N
Partly Cloudy
Humidity
79%
Feels like
22°F
Dew Point
22°F

Snowfall forecast Through Tonight

Snow To Spread Across Appalachians Into Mid-Atlantic

A winter system will bring snow from the southern Appalachians to Mid-Atlantic through this evening.

Today's Weather Outlook

Today'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

Image courtesy of PeakPX.

Top 10 Winter Energy Saving Tips

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide