Hourly Weather Forecast - Armstrong Station, Ontario, CA

7 PM
10°F
30%
3mph
SE
30 % Chance of Heavy Snow
Humidity
91%
Feels like
10°F
Dew Point
8°F
8 PM
11°F
60%
4mph
ESE
60% Chance of Heavy Snow
Humidity
97%
Feels like
4°F
Dew Point
10°F
9 PM
12°F
80%
5mph
E
80% Chance of Heavy Snow
Humidity
100%
Feels like
3°F
Dew Point
12°F
10 PM
13°F
90%
6mph
E
Snow
Humidity
100%
Feels like
3°F
Dew Point
13°F
11 PM
14°F
70%
7mph
E
70% Chance of Heavy Snow
Humidity
100%
Feels like
3°F
Dew Point
14°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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