Hourly Weather Forecast - Piasa, IL

12 PM
42°F
0%
14mph
W
Partly Cloudy
Humidity
54%
Feels like
34°F
Dew Point
26°F
1 PM
43°F
0%
14mph
W
Mostly Cloudy
Humidity
50%
Feels like
36°F
Dew Point
26°F
2 PM
43°F
0%
14mph
W
Mostly Cloudy
Humidity
47%
Feels like
36°F
Dew Point
24°F
3 PM
42°F
10%
14mph
W
Mostly Cloudy
Humidity
46%
Feels like
35°F
Dew Point
23°F
4 PM
41°F
10%
13mph
W
Mostly Cloudy
Humidity
49%
Feels like
34°F
Dew Point
24°F
5 PM
39°F
10%
11mph
W
Mostly Cloudy
Humidity
55%
Feels like
32°F
Dew Point
24°F
5:03 PM
6 PM
37°F
10%
10mph
W
Mostly Cloudy
Humidity
60%
Feels like
30°F
Dew Point
24°F
7 PM
36°F
30%
11mph
W
30% Chance of Flurries
Humidity
64%
Feels like
28°F
Dew Point
25°F
8 PM
35°F
30%
11mph
W
30% Chance Frozen Mix
Humidity
67%
Feels like
27°F
Dew Point
25°F
9 PM
33°F
30%
11mph
W
30% Chance of Flurries
Humidity
68%
Feels like
25°F
Dew Point
24°F
10 PM
32°F
30%
12mph
W
30% Chance of Snow
Humidity
67%
Feels like
23°F
Dew Point
22°F
11 PM
30°F
30%
13mph
WNW
30 % Chance of Heavy Snow
Humidity
64%
Feels like
20°F
Dew Point
19°F

Snow Forecast through Saturday

Multiple Snowy Systems Hit Great Lakes, Northeast

An exiting low pressure system will produce additional light snow across Maine while a new disturbance will track across the Upper Midwest and Great Lakes.

Friday's Weather Outlook

Today's Weather Outlook

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

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