Hourly Weather Forecast - Alliston, Ontario, CA

3 PM
26°F
70%
12mph
S
70% Chance of Flurries
Humidity
88%
Feels like
15°F
Dew Point
22°F
4 PM
27°F
10%
11mph
SSW
Mostly Cloudy
Humidity
89%
Feels like
17°F
Dew Point
24°F
4:43 PM
5 PM
28°F
20%
11mph
SSW
Cloudy
Humidity
92%
Feels like
18°F
Dew Point
26°F
6 PM
29°F
30%
11mph
SSW
30% Chance of Flurries
Humidity
93%
Feels like
19°F
Dew Point
27°F
7 PM
29°F
10%
11mph
SW
Cloudy
Humidity
95%
Feels like
20°F
Dew Point
28°F
8 PM
29°F
10%
11mph
SW
Mostly Cloudy
Humidity
94%
Feels like
20°F
Dew Point
28°F
9 PM
29°F
0%
12mph
SW
Mostly Cloudy
Humidity
91%
Feels like
19°F
Dew Point
27°F
10 PM
29°F
0%
12mph
SW
Partly Cloudy
Humidity
89%
Feels like
18°F
Dew Point
26°F
11 PM
28°F
0%
13mph
WSW
Partly Cloudy
Humidity
85%
Feels like
17°F
Dew Point
24°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

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's 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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