Hourly Weather Forecast - St Thomas, Ontario, CA

10 AM
40°F
0%
14mph
S
Partly Cloudy
Humidity
74%
Feels like
33°F
Dew Point
33°F
11 AM
42°F
0%
15mph
S
Partly Cloudy
Humidity
71%
Feels like
34°F
Dew Point
33°F
12 PM
42°F
10%
15mph
S
Partly Cloudy
Humidity
67%
Feels like
35°F
Dew Point
32°F
1 PM
43°F
10%
15mph
S
Partly Cloudy
Humidity
64%
Feels like
36°F
Dew Point
31°F
2 PM
43°F
10%
14mph
S
Mostly Cloudy
Humidity
64%
Feels like
36°F
Dew Point
32°F
3 PM
43°F
10%
14mph
S
Mostly Cloudy
Humidity
66%
Feels like
36°F
Dew Point
33°F
4 PM
43°F
30%
14mph
S
30% Chance Rain Showers
Humidity
70%
Feels like
36°F
Dew Point
34°F
4:52 PM
5 PM
44°F
20%
15mph
S
Mostly Cloudy
Humidity
71%
Feels like
36°F
Dew Point
35°F
6 PM
44°F
40%
15mph
S
40% Chance of Light Rain
Humidity
74%
Feels like
37°F
Dew Point
37°F
7 PM
45°F
70%
16mph
S
70% Chance of Light Rain
Humidity
73%
Feels like
38°F
Dew Point
37°F
8 PM
45°F
70%
17mph
SSE
70% Chance of Rain
Humidity
76%
Feels like
38°F
Dew Point
38°F
9 PM
45°F
80%
17mph
SSE
80% Chance of Rain
Humidity
80%
Feels like
38°F
Dew Point
39°F
10 PM
45°F
80%
17mph
SSE
80% Chance of Rain
Humidity
83%
Feels like
37°F
Dew Point
40°F
11 PM
44°F
90%
16mph
S
Rain
Humidity
84%
Feels like
37°F
Dew Point
40°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Thursday's Weather Outlook

Today's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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