Hourly Weather Forecast - St Thomas, Ontario, CA

12 AM
32°F
10%
6mph
WNW
Cloudy
Humidity
87%
Feels like
26°F
Dew Point
28°F
1 AM
31°F
10%
5mph
WNW
Cloudy
Humidity
87%
Feels like
26°F
Dew Point
28°F
2 AM
31°F
10%
5mph
WNW
Cloudy
Humidity
88%
Feels like
26°F
Dew Point
28°F
3 AM
30°F
10%
4mph
NW
Cloudy
Humidity
88%
Feels like
25°F
Dew Point
27°F
4 AM
30°F
10%
4mph
NW
Cloudy
Humidity
87%
Feels like
25°F
Dew Point
26°F
5 AM
29°F
10%
4mph
NW
Cloudy
Humidity
87%
Feels like
25°F
Dew Point
26°F
6 AM
29°F
10%
4mph
NW
Cloudy
Humidity
83%
Feels like
25°F
Dew Point
25°F
7 AM
29°F
10%
3mph
NNW
Cloudy
Humidity
82%
Feels like
26°F
Dew Point
24°F
7:53 AM
8 AM
30°F
10%
3mph
N
Cloudy
Humidity
83%
Feels like
27°F
Dew Point
26°F
9 AM
31°F
10%
4mph
NNE
Cloudy
Humidity
80%
Feels like
28°F
Dew Point
26°F
10 AM
33°F
10%
4mph
NE
Cloudy
Humidity
78%
Feels like
29°F
Dew Point
27°F
11 AM
33°F
10%
4mph
ENE
Cloudy
Humidity
75%
Feels like
30°F
Dew Point
26°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

Friday's Weather Outlook

Friday'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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