Hourly Weather Forecast - Saint Charles, IL

12 AM
18°F
10%
5mph
SW
Partly Cloudy
Humidity
85%
Feels like
10°F
Dew Point
14°F
1 AM
17°F
10%
5mph
SW
Mostly Cloudy
Humidity
85%
Feels like
10°F
Dew Point
14°F
2 AM
17°F
10%
4mph
SW
Cloudy
Humidity
84%
Feels like
10°F
Dew Point
13°F
3 AM
17°F
10%
4mph
SW
Cloudy
Humidity
85%
Feels like
10°F
Dew Point
13°F
4 AM
17°F
10%
4mph
SSW
Mostly Cloudy
Humidity
84%
Feels like
11°F
Dew Point
13°F
5 AM
17°F
0%
4mph
SSW
Partly Cloudy
Humidity
85%
Feels like
11°F
Dew Point
13°F
6 AM
17°F
0%
4mph
SSW
Mostly Clear
Humidity
86%
Feels like
11°F
Dew Point
13°F
7 AM
18°F
0%
4mph
SSW
Clear
Humidity
87%
Feels like
12°F
Dew Point
14°F
7:14 AM
8 AM
20°F
0%
3mph
SSW
Sunny
Humidity
84%
Feels like
15°F
Dew Point
16°F
9 AM
22°F
0%
3mph
S
Sunny
Humidity
81%
Feels like
18°F
Dew Point
17°F
10 AM
25°F
0%
4mph
S
Sunny
Humidity
78%
Feels like
20°F
Dew Point
19°F
11 AM
27°F
0%
4mph
SSW
Mostly Sunny
Humidity
75%
Feels like
23°F
Dew Point
20°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Thursday's Weather Outlook

Thursday'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

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Outdoor Sports Guide