Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Current conditions at

Chester County Airport (KMQS)

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

Overcast

36°F

2°C

Humidity 49%
Wind Speed Vrbl 7 mph
Barometer 30.07 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 21 Jan 11:55 pm EST
Detailed forecast for

Eastern Chester

Tonight
Cloudy with a chance of snow showers this evening, then partly cloudy after midnight. Not as cold. Near steady temperature in the lower 30s. South winds around 10 mph with gusts up to 20 mph. Chance of snow 20 percent.
Thursday
Mostly sunny. Highs in the mid 40s. Temperature falling into the upper 30s in the afternoon. West winds 10 to 15 mph with gusts up to 30 mph.
Thursday Night
Partly cloudy. Cold with lows in the lower 20s. West winds 5 to 10 mph.
Friday
Partly sunny. Highs in the mid 30s. West winds 10 to 15 mph with gusts up to 25 mph.
Friday Night
Mostly cloudy. Colder with lows around 9 above. Northwest winds 10 to 15 mph with gusts up to 25 mph. Wind chill values as low as 6 below after midnight.
Saturday
Mostly cloudy. Much colder with highs 15 to 20. Wind chill values as low as 5 below in the morning.
Saturday Night
Cloudy. A chance of snow in the evening, then snow after midnight. Little or no snow accumulation. Cold with lows around 10 above. Chance of snow 80 percent. Wind chill values as low as zero.
Sunday
Snow, cold with highs around 20. Chance of snow 90 percent. Wind chill values as low as zero.
Sunday Night
Snow likely, mainly in the evening. Cold. Near steady temperature 15 to 20. Chance of snow 70 percent.
Monday
Partly sunny. A chance of snow in the morning. Cold with highs in the lower 20s. Chance of snow 50 percent.
Monday Night
Partly cloudy in the evening, then becoming mostly clear. Cold with lows 5 to 10 above. Wind chill values as low as 5 below after midnight.
Tuesday
Sunny, cold with highs around 20. Wind chill values as low as 10 below in the morning.
Tuesday Night
Partly cloudy. Cold with lows 5 to 10 above.
Wednesday
Partly sunny. Cold with highs in the mid 20s. Wind chill values as low as zero in the morning.



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651 PM EST Wed Jan 21 2026
 
 

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