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

12 AM
6°F
10%
5mph
NW
Foggy
Humidity
100%
Feels like
-3°F
Dew Point
6°F
1 AM
6°F
10%
5mph
NW
Foggy
Humidity
100%
Feels like
-3°F
Dew Point
6°F
2 AM
6°F
10%
4mph
NW
Foggy
Humidity
100%
Feels like
-3°F
Dew Point
6°F
3 AM
5°F
10%
5mph
NW
Foggy
Humidity
100%
Feels like
-4°F
Dew Point
5°F
4 AM
5°F
10%
5mph
NW
Foggy
Humidity
100%
Feels like
-4°F
Dew Point
5°F
5 AM
5°F
10%
5mph
NW
Foggy
Humidity
100%
Feels like
-5°F
Dew Point
5°F
6 AM
4°F
10%
5mph
WNW
Foggy
Humidity
100%
Feels like
-6°F
Dew Point
4°F
7 AM
3°F
10%
5mph
WNW
Foggy
Humidity
100%
Feels like
-7°F
Dew Point
3°F
8 AM
4°F
10%
5mph
WNW
Foggy
Humidity
100%
Feels like
-7°F
Dew Point
3°F
8:02 AM
9 AM
4°F
20%
5mph
WNW
Hazy
Humidity
91%
Feels like
-5°F
Dew Point
2°F
10 AM
6°F
20%
5mph
WNW
Sunny
Humidity
83%
Feels like
-4°F
Dew Point
2°F
11 AM
8°F
20%
6mph
W
Sunny
Humidity
78%
Feels like
-2°F
Dew Point
3°F
12 PM
11°F
20%
7mph
W
Sunny
Humidity
71%
Feels like
0°F
Dew Point
4°F
1 PM
13°F
20%
7mph
W
Sunny
Humidity
68%
Feels like
3°F
Dew Point
5°F
2 PM
15°F
20%
7mph
WSW
Mostly Sunny
Humidity
67%
Feels like
4°F
Dew Point
6°F
3 PM
15°F
20%
7mph
WSW
Partly Cloudy
Humidity
69%
Feels like
5°F
Dew Point
7°F
4 PM
15°F
20%
7mph
SW
Partly Cloudy
Humidity
71%
Feels like
5°F
Dew Point
7°F
4:38 PM
5 PM
14°F
20%
6mph
SW
Partly Cloudy
Humidity
67%
Feels like
4°F
Dew Point
5°F
6 PM
12°F
20%
6mph
SSW
Partly Cloudy
Humidity
72%
Feels like
3°F
Dew Point
5°F
7 PM
12°F
20%
6mph
S
Partly Cloudy
Humidity
74%
Feels like
2°F
Dew Point
5°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.

Wednesday's Weather Outlook

Wednesday'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