Hourly Weather Forecast - St Marys, Ontario, CA

12 AM
23°F
30%
9mph
WNW
30% Chance Snow Showers
Humidity
83%
Feels like
14°F
Dew Point
19°F
1 AM
23°F
30%
9mph
WNW
30% Chance Frozen Mix
Humidity
84%
Feels like
13°F
Dew Point
19°F
2 AM
23°F
30%
9mph
W
30% Chance Frozen Mix
Humidity
83%
Feels like
13°F
Dew Point
19°F
3 AM
23°F
20%
9mph
W
Mostly Cloudy
Humidity
83%
Feels like
13°F
Dew Point
18°F
4 AM
22°F
20%
9mph
WSW
Mostly Cloudy
Humidity
82%
Feels like
12°F
Dew Point
18°F

Today's Severe Thunderstorm Outlook

Severe Storms Rattle Texas to New York

A strong low pressure system storming across the north-central U.S. today will continue this week’s train of severe weather.

Today's Weather Outlook

Weekend Weather Outlook

Sunset over a bay (Willem Bouwmeester, Pixabay)

Time to "Spring Forward" As Daylight Saving Approaches

Weekly Drought Map for March 5, 2026

Drought Worsens Nationwide Despite Multiple Disturbances

A tornado on the ground in Hildreth, Neb., on June 14, 2014 (NOAA Photo Library/Ken Engquist).

Tornadoes and Road Safety -- Do's and Don't's

A baby wearing many items of winter clothing: headband, cap, fur-lined coat, wool neckscarf and sweater. (Courtesy of Wikimedia Commons. Author: Andrew Vargas from Clovis, United States)

How to Dress Your Children for Spring Weather

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide