Hourly Weather Forecast - Piasa, IL

12 AM
11°F
10%
5mph
NNE
Clear
Humidity
68%
Feels like
3°F
Dew Point
3°F
1 AM
11°F
10%
5mph
NNE
Clear
Humidity
68%
Feels like
3°F
Dew Point
3°F
2 AM
11°F
10%
5mph
NNE
Mostly Clear
Humidity
69%
Feels like
2°F
Dew Point
3°F
3 AM
11°F
10%
5mph
NNE
Mostly Clear
Humidity
69%
Feels like
2°F
Dew Point
3°F
4 AM
10°F
10%
5mph
NNE
Mostly Clear
Humidity
70%
Feels like
1°F
Dew Point
2°F
5 AM
10°F
30%
6mph
NE
30 % Chance of Heavy Snow
Humidity
70%
Feels like
0°F
Dew Point
2°F
6 AM
10°F
30%
6mph
NE
30 % Chance of Heavy Snow
Humidity
70%
Feels like
0°F
Dew Point
2°F
7 AM
11°F
10%
6mph
NE
Partly Cloudy
Humidity
67%
Feels like
1°F
Dew Point
2°F
7:11 AM
8 AM
12°F
10%
6mph
NE
Mostly Cloudy
Humidity
64%
Feels like
3°F
Dew Point
2°F
9 AM
14°F
10%
6mph
ENE
Mostly Cloudy
Humidity
60%
Feels like
5°F
Dew Point
2°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)

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Image courtesy of PeakPX.

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