Hourly Weather Forecast - St.-Charles, Ontario, CA

1 PM
30°F
10%
16mph
SSW
Mostly Cloudy
Humidity
91%
Feels like
19°F
Dew Point
28°F
2 PM
31°F
10%
17mph
SSW
Cloudy
Humidity
91%
Feels like
20°F
Dew Point
29°F
3 PM
31°F
0%
17mph
SSW
Cloudy
Humidity
94%
Feels like
20°F
Dew Point
29°F
4 PM
31°F
0%
17mph
SSW
Cloudy
Humidity
94%
Feels like
19°F
Dew Point
29°F
4:35 PM
5 PM
31°F
0%
18mph
SSW
Cloudy
Humidity
90%
Feels like
19°F
Dew Point
28°F
6 PM
31°F
0%
18mph
SSW
Cloudy
Humidity
91%
Feels like
19°F
Dew Point
28°F
7 PM
31°F
0%
18mph
SSW
Cloudy
Humidity
92%
Feels like
19°F
Dew Point
29°F
8 PM
31°F
0%
18mph
SSW
Cloudy
Humidity
91%
Feels like
19°F
Dew Point
28°F
9 PM
31°F
0%
18mph
SSW
Mostly Cloudy
Humidity
91%
Feels like
20°F
Dew Point
29°F
10 PM
32°F
0%
17mph
SSW
Cloudy
Humidity
94%
Feels like
20°F
Dew Point
30°F
11 PM
32°F
0%
17mph
SSW
Cloudy
Humidity
95%
Feels like
21°F
Dew Point
31°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Tuesday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide