Hourly Weather Forecast - Saint Charles, IL

12 AM
46°F
40%
2mph
SSW
40% Chance of Light Rain
Humidity
95%
Feels like
46°F
Dew Point
45°F
1 AM
47°F
20%
2mph
SW
Cloudy
Humidity
95%
Feels like
47°F
Dew Point
45°F
2 AM
47°F
10%
2mph
SW
Cloudy
Humidity
94%
Feels like
47°F
Dew Point
45°F
3 AM
47°F
10%
2mph
SW
Cloudy
Humidity
94%
Feels like
47°F
Dew Point
45°F
4 AM
47°F
10%
2mph
SW
Cloudy
Humidity
94%
Feels like
47°F
Dew Point
46°F
5 AM
47°F
10%
2mph
SSW
Cloudy
Humidity
96%
Feels like
47°F
Dew Point
46°F
6 AM
47°F
10%
3mph
S
Cloudy
Humidity
98%
Feels like
46°F
Dew Point
46°F
7 AM
47°F
10%
4mph
S
Cloudy
Humidity
98%
Feels like
46°F
Dew Point
47°F
7:19 AM
8 AM
49°F
10%
4mph
SSW
Cloudy
Humidity
97%
Feels like
47°F
Dew Point
48°F
9 AM
51°F
10%
4mph
SSW
Cloudy
Humidity
95%
Feels like
51°F
Dew Point
49°F
10 AM
52°F
10%
4mph
SSW
Cloudy
Humidity
92%
Feels like
52°F
Dew Point
50°F
11 AM
54°F
10%
4mph
SSW
Cloudy
Humidity
89%
Feels like
54°F
Dew Point
51°F
12 PM
55°F
10%
5mph
SSW
Cloudy
Humidity
88%
Feels like
55°F
Dew Point
52°F
1 PM
56°F
10%
5mph
SW
Cloudy
Humidity
86%
Feels like
56°F
Dew Point
52°F
2 PM
55°F
10%
5mph
SW
Cloudy
Humidity
88%
Feels like
55°F
Dew Point
52°F
3 PM
54°F
10%
5mph
SW
Cloudy
Humidity
90%
Feels like
54°F
Dew Point
51°F
4 PM
53°F
10%
4mph
SW
Cloudy
Humidity
94%
Feels like
53°F
Dew Point
51°F
4:27 PM
5 PM
51°F
10%
4mph
SW
Cloudy
Humidity
97%
Feels like
51°F
Dew Point
51°F
6 PM
50°F
10%
3mph
SW
Cloudy
Humidity
93%
Feels like
49°F
Dew Point
48°F
7 PM
49°F
30%
2mph
SW
30% Chance of Light Rain
Humidity
93%
Feels like
49°F
Dew Point
47°F
8 PM
48°F
30%
2mph
SW
30% Chance of Light Rain
Humidity
96%
Feels like
48°F
Dew Point
47°F
9 PM
48°F
30%
3mph
WSW
30% Chance of Light Rain
Humidity
96%
Feels like
48°F
Dew Point
47°F
10 PM
48°F
30%
3mph
WSW
30% Chance of Light Rain
Humidity
96%
Feels like
48°F
Dew Point
47°F
11 PM
49°F
10%
4mph
WSW
Mostly Cloudy
Humidity
95%
Feels like
47°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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