Hourly Weather Forecast - Copper Cliff, Ontario, CA

10 AM
17°F
40%
8mph
SSW
40% Chance of Snow
Humidity
87%
Feels like
7°F
Dew Point
13°F
11 AM
19°F
30%
9mph
SW
30% Chance of Snow
Humidity
87%
Feels like
9°F
Dew Point
16°F
12 PM
22°F
30%
11mph
SW
30% Chance of Snow
Humidity
86%
Feels like
10°F
Dew Point
18°F
1 PM
24°F
30%
13mph
SW
30% Chance of Snow
Humidity
87%
Feels like
12°F
Dew Point
20°F
2 PM
24°F
30%
13mph
SW
30% Chance of Heavy Snow
Humidity
83%
Feels like
12°F
Dew Point
20°F
3 PM
24°F
30%
11mph
SW
30% Chance of Snow
Humidity
83%
Feels like
12°F
Dew Point
19°F
4 PM
23°F
30%
10mph
SW
30% Chance of Snow
Humidity
82%
Feels like
12°F
Dew Point
18°F
4:37 PM
5 PM
22°F
10%
9mph
WSW
Mostly Cloudy
Humidity
86%
Feels like
12°F
Dew Point
19°F
6 PM
21°F
10%
8mph
WSW
Mostly Cloudy
Humidity
88%
Feels like
11°F
Dew Point
18°F
7 PM
20°F
0%
7mph
WSW
Mostly Cloudy
Humidity
95%
Feels like
10°F
Dew Point
19°F
8 PM
19°F
0%
7mph
WSW
Mostly Cloudy
Humidity
97%
Feels like
10°F
Dew Point
18°F
9 PM
17°F
10%
7mph
WSW
Mostly Cloudy
Humidity
96%
Feels like
8°F
Dew Point
17°F
10 PM
17°F
0%
7mph
W
Mostly Cloudy
Humidity
97%
Feels like
7°F
Dew Point
16°F
11 PM
15°F
0%
7mph
W
Partly Cloudy
Humidity
97%
Feels like
6°F
Dew Point
15°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday'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

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