Hourly Weather Forecast - St Thomas, Ontario, CA

12 AM
34°F
30%
4mph
NE
30% Chance Rain Showers
Humidity
93%
Feels like
31°F
Dew Point
33°F
1 AM
34°F
20%
4mph
NE
Hazy
Humidity
93%
Feels like
31°F
Dew Point
32°F
2 AM
33°F
10%
4mph
NE
Hazy
Humidity
91%
Feels like
30°F
Dew Point
31°F
3 AM
33°F
10%
3mph
ENE
Cloudy
Humidity
90%
Feels like
30°F
Dew Point
31°F
4 AM
33°F
10%
3mph
ENE
Cloudy
Humidity
91%
Feels like
33°F
Dew Point
30°F
5 AM
32°F
0%
3mph
ENE
Cloudy
Humidity
92%
Feels like
30°F
Dew Point
30°F
6 AM
32°F
0%
3mph
ENE
Clear
Humidity
90%
Feels like
29°F
Dew Point
29°F
6:56 AM
7 AM
32°F
10%
4mph
ENE
Sunny
Humidity
88%
Feels like
29°F
Dew Point
29°F
8 AM
34°F
0%
4mph
ENE
Sunny
Humidity
87%
Feels like
31°F
Dew Point
31°F
9 AM
37°F
10%
5mph
E
Sunny
Humidity
83%
Feels like
33°F
Dew Point
32°F
10 AM
39°F
10%
5mph
E
Sunny
Humidity
81%
Feels like
35°F
Dew Point
33°F
11 AM
40°F
20%
6mph
E
Sunny
Humidity
78%
Feels like
36°F
Dew Point
34°F
12 PM
42°F
30%
6mph
ESE
30% Chance Rain Showers
Humidity
75%
Feels like
38°F
Dew Point
35°F
1 PM
43°F
30%
6mph
ESE
30% Chance Rain Showers
Humidity
74%
Feels like
39°F
Dew Point
35°F
2 PM
43°F
40%
6mph
ESE
40% Chance Rain Showers
Humidity
74%
Feels like
40°F
Dew Point
36°F
3 PM
43°F
40%
6mph
ESE
40% Chance Rain Showers
Humidity
76%
Feels like
40°F
Dew Point
36°F
4 PM
42°F
50%
5mph
E
50% Chance Rain Showers
Humidity
80%
Feels like
39°F
Dew Point
37°F
5 PM
42°F
50%
5mph
E
50% Chance Rain Showers
Humidity
80%
Feels like
39°F
Dew Point
36°F
6 PM
41°F
60%
5mph
E
60% Chance Rain Showers
Humidity
81%
Feels like
37°F
Dew Point
35°F
6:17 PM
7 PM
40°F
60%
5mph
E
60% Chance Rain Showers
Humidity
82%
Feels like
37°F
Dew Point
35°F
8 PM
40°F
60%
5mph
E
60% Chance Rain Showers
Humidity
84%
Feels like
36°F
Dew Point
35°F
9 PM
40°F
50%
5mph
E
50% Chance Rain Showers
Humidity
86%
Feels like
36°F
Dew Point
36°F
10 PM
39°F
50%
5mph
E
50% Chance of Light Rain
Humidity
87%
Feels like
36°F
Dew Point
36°F
11 PM
39°F
50%
5mph
E
50% Chance of Light Rain
Humidity
87%
Feels like
36°F
Dew Point
36°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains today through the Northeast on Tuesday.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

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