Hourly Weather Forecast - Saint Charles, IL

12 AM
49°F
10%
4mph
WSW
Mostly Cloudy
Humidity
94%
Feels like
47°F
Dew Point
47°F
1 AM
48°F
10%
5mph
W
Mostly Cloudy
Humidity
92%
Feels like
46°F
Dew Point
46°F
2 AM
48°F
10%
6mph
W
Mostly Cloudy
Humidity
92%
Feels like
45°F
Dew Point
46°F
3 AM
47°F
10%
6mph
WNW
Mostly Cloudy
Humidity
92%
Feels like
44°F
Dew Point
45°F
4 AM
46°F
20%
6mph
WNW
Mostly Cloudy
Humidity
94%
Feels like
42°F
Dew Point
44°F
5 AM
45°F
20%
6mph
WNW
Mostly Cloudy
Humidity
93%
Feels like
42°F
Dew Point
44°F
6 AM
45°F
10%
6mph
NW
Cloudy
Humidity
93%
Feels like
42°F
Dew Point
43°F
7 AM
46°F
10%
6mph
NW
Cloudy
Humidity
90%
Feels like
42°F
Dew Point
43°F
7:19 AM
8 AM
46°F
10%
6mph
NW
Cloudy
Humidity
90%
Feels like
43°F
Dew Point
43°F
9 AM
48°F
10%
6mph
NW
Cloudy
Humidity
87%
Feels like
45°F
Dew Point
44°F
10 AM
50°F
10%
6mph
NNW
Cloudy
Humidity
85%
Feels like
50°F
Dew Point
46°F
11 AM
52°F
10%
5mph
NNW
Cloudy
Humidity
81%
Feels like
52°F
Dew Point
47°F
12 PM
53°F
10%
6mph
NNW
Cloudy
Humidity
80%
Feels like
53°F
Dew Point
47°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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