Hourly Weather Forecast - North York, Ontario, CA

12 AM
37°F
40%
5mph
SSW
40% Chance of Light Rain
Humidity
99%
Feels like
33°F
Dew Point
37°F
1 AM
37°F
40%
5mph
SW
40% Chance of Light Rain
Humidity
98%
Feels like
33°F
Dew Point
37°F
2 AM
38°F
40%
5mph
SW
40% Chance of Light Rain
Humidity
97%
Feels like
34°F
Dew Point
37°F
3 AM
38°F
40%
5mph
SW
40% Chance Rain Showers
Humidity
95%
Feels like
34°F
Dew Point
37°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

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Weekend Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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