Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98° N Lon: 75.87° W Elev: 659 ft.

Mostly Cloudy

28°F

-2°C

Humidity 40%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 9 Dec 4:15 pm EST
Detailed forecast for

Eastern Chester

Tonight
Mostly cloudy and not as cold. Near steady temperature in the upper 20s. South winds 5 to 10 mph.
Wednesday
Cloudy. A chance of rain in the morning, then rain in the afternoon. Highs in the lower 40s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 80 percent.
Wednesday Night
Mostly cloudy in the evening, then becoming partly cloudy. Cold with lows in the upper 20s. Southwest winds around 10 mph, becoming west after midnight.
Thursday
Mostly sunny. Highs in the mid 30s. West winds around 15 mph with gusts up to 30 mph.
Thursday Night
Mostly clear in the evening, then becoming partly cloudy. Cold with lows in the mid 20s. West winds 10 to 15 mph with gusts up to 25 mph.
Friday
Partly sunny. Highs in the mid 30s.
Friday Night
Mostly cloudy with a 40 percent chance of snow. Cold with lows in the mid 20s.
Saturday
Partly sunny in the morning, then becoming mostly cloudy. Highs in the upper 30s.
Saturday Night
Mostly cloudy. A chance of snow after midnight. Cold with lows in the mid 20s. Chance of snow 40 percent.
Sunday
Partly sunny. A chance of snow in the morning. Highs in the mid 30s. Temperature falling into the upper 20s in the afternoon. Chance of snow 40 percent.
Sunday Night
Mostly clear. Colder with lows around 15.
Monday
Mostly sunny. Cold with highs around 30.
Monday Night
Mostly cloudy. Cold with lows around 20.
Tuesday
Mostly sunny. Highs in the lower 30s.



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400 PM EST Tue Dec 9 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database