Hourly Weather Forecast - St Thomas, Ontario, CA

12 AM
31°F
20%
11mph
W
Partly Cloudy
Humidity
80%
Feels like
22°F
Dew Point
25°F
1 AM
30°F
20%
12mph
W
Partly Cloudy
Humidity
73%
Feels like
20°F
Dew Point
22°F
2 AM
28°F
10%
13mph
W
Mostly Cloudy
Humidity
69%
Feels like
18°F
Dew Point
20°F
3 AM
27°F
10%
13mph
W
Mostly Cloudy
Humidity
65%
Feels like
16°F
Dew Point
17°F
4 AM
26°F
20%
14mph
W
Mostly Cloudy
Humidity
60%
Feels like
14°F
Dew Point
14°F
5 AM
24°F
20%
14mph
W
Mostly Cloudy
Humidity
60%
Feels like
12°F
Dew Point
12°F
6 AM
23°F
20%
15mph
W
Partly Cloudy
Humidity
62%
Feels like
10°F
Dew Point
11°F
7 AM
22°F
30%
15mph
W
30% Chance Snow Showers
Humidity
62%
Feels like
8°F
Dew Point
11°F
7:51 AM
8 AM
22°F
30%
16mph
WNW
30% Chance Snow Showers
Humidity
60%
Feels like
8°F
Dew Point
10°F
9 AM
22°F
20%
16mph
WNW
Partly Cloudy
Humidity
56%
Feels like
9°F
Dew Point
9°F
10 AM
23°F
10%
16mph
WNW
Partly Cloudy
Humidity
58%
Feels like
9°F
Dew Point
10°F
11 AM
23°F
10%
16mph
WNW
Partly Cloudy
Humidity
58%
Feels like
10°F
Dew Point
11°F
12 PM
24°F
10%
16mph
W
Partly Cloudy
Humidity
60%
Feels like
11°F
Dew Point
12°F
1 PM
24°F
10%
16mph
W
Partly Cloudy
Humidity
57%
Feels like
11°F
Dew Point
11°F
2 PM
24°F
10%
16mph
WNW
Partly Cloudy
Humidity
50%
Feels like
11°F
Dew Point
8°F
3 PM
24°F
10%
15mph
WNW
Mostly Cloudy
Humidity
52%
Feels like
11°F
Dew Point
9°F
4 PM
23°F
20%
14mph
WNW
Mostly Cloudy
Humidity
51%
Feels like
11°F
Dew Point
8°F
4:53 PM
5 PM
23°F
30%
13mph
WNW
30% Chance Snow Showers
Humidity
55%
Feels like
11°F
Dew Point
9°F
6 PM
22°F
40%
12mph
WNW
40% Chance Snow Showers
Humidity
56%
Feels like
11°F
Dew Point
9°F
7 PM
22°F
40%
11mph
WNW
40% Chance Snow Showers
Humidity
57%
Feels like
11°F
Dew Point
9°F
8 PM
21°F
50%
10mph
WNW
50% Chance Snow Showers
Humidity
59%
Feels like
10°F
Dew Point
9°F
9 PM
20°F
50%
9mph
WNW
50% Chance Snow Showers
Humidity
59%
Feels like
10°F
Dew Point
9°F
10 PM
20°F
40%
8mph
WNW
40% Chance Snow Showers
Humidity
62%
Feels like
10°F
Dew Point
9°F
11 PM
19°F
20%
7mph
WNW
Clear
Humidity
64%
Feels like
10°F
Dew Point
9°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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