Hourly Weather Forecast - River Valley, Ontario, CA

11 AM
36°F
0%
17mph
WSW
Mostly Cloudy
Humidity
87%
Feels like
26°F
Dew Point
32°F
12 PM
36°F
10%
17mph
WSW
Mostly Cloudy
Humidity
83%
Feels like
26°F
Dew Point
31°F
1 PM
36°F
10%
16mph
WSW
Mostly Cloudy
Humidity
79%
Feels like
26°F
Dew Point
30°F
2 PM
36°F
10%
15mph
W
Mostly Cloudy
Humidity
76%
Feels like
27°F
Dew Point
29°F
3 PM
36°F
30%
14mph
W
30% Chance of Flurries
Humidity
75%
Feels like
27°F
Dew Point
29°F
4 PM
36°F
30%
13mph
W
30% Chance Snow Showers
Humidity
76%
Feels like
27°F
Dew Point
29°F
5 PM
35°F
20%
12mph
WNW
Mostly Cloudy
Humidity
76%
Feels like
27°F
Dew Point
28°F
6 PM
35°F
20%
12mph
WNW
Mostly Cloudy
Humidity
75%
Feels like
26°F
Dew Point
28°F
7 PM
33°F
30%
11mph
WNW
30% Chance of Snow
Humidity
74%
Feels like
25°F
Dew Point
26°F
7:54 PM
8 PM
32°F
10%
10mph
NW
Mostly Cloudy
Humidity
74%
Feels like
24°F
Dew Point
25°F
9 PM
31°F
10%
10mph
NW
Mostly Cloudy
Humidity
75%
Feels like
23°F
Dew Point
24°F
10 PM
30°F
10%
9mph
NW
Mostly Cloudy
Humidity
76%
Feels like
21°F
Dew Point
23°F
11 PM
29°F
10%
9mph
NW
Mostly Cloudy
Humidity
78%
Feels like
20°F
Dew Point
23°F

Today's Weather Outlook

Today's Weather Outlook

A potent weather system traverses the U.S. this weekend, bringing everything from accumulating snow and ice to rainy, stormy weather.

Weekly Drought Map for April 2, 2026

Substantial Drying Leads To Worsening Drought Depiction Nationwide

(Image provided by Manfred Richter via Pixabay.com)

Plant Care: What to Do When Frosts and Freezes Occur?

(Image provided by Pixabay.com)

Before a High Wind Event

Severe storm moving over the Texas Panhandle

What Is A Severe Thunderstorm?

Featured image via Pixabay.com

Drought Impacts: It's More Than You Think!

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