Hourly Weather Forecast - Mercer Island, WA

7 PM
52°F
70%
2mph
SSE
70% Chance of Light Rain
Humidity
91%
Feels like
52°F
Dew Point
49°F
8 PM
51°F
70%
2mph
SSE
70% Chance of Light Rain
Humidity
90%
Feels like
51°F
Dew Point
49°F
9 PM
51°F
30%
2mph
SSE
30% Chance of Light Rain
Humidity
89%
Feels like
51°F
Dew Point
48°F
10 PM
52°F
40%
2mph
SE
40% Chance of Light Rain
Humidity
88%
Feels like
52°F
Dew Point
48°F
11 PM
52°F
60%
2mph
SSE
60% Chance of Light Rain
Humidity
87%
Feels like
52°F
Dew Point
48°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday's Weather Outlook

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

Cold Air Damming - Cause And Effects

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