A major winter storm is expected to impact the area late this weekend.

A major winter storm is expected to begin impacting the area Saturday night, continuing through early Monday afternoon. Significant snow accumulations are possible areawide. Some mixed precipitation is expected across the I-95 corridor southward into Delmarva. View this briefing for details. Read More >

Hazardous Weather Conditions

Winter Storm Warning until January 26, 01:00 PM EST

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Light Snow Fog/Mist

18°F

-8°C

Humidity	96%
Wind Speed	NW 9 mph
Barometer	29.77 in
Dewpoint	17°F (-8°C)
Visibility	1.50 mi
Wind Chill	7°F (-14°C)
Last update	25 Jan 9:35 pm EST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles NNE Unionville PA

Winter Storm Warning January 25, 09:49pm until January 26, 01:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning January 25, 09:49pm until January 26, 01:00pm
NOW until 1:00pm Mon
Winter Storm Warning
Tonight
Low: 18 °F
Wintry Mix
Likely then
Chance Wintry
Mix
Monday
High: 26 °F
Mostly Sunny
Monday Night
Low: 6 °F
Mostly Clear
Tuesday
High: 20 °F
Sunny
Tuesday Night
Low: 5 °F
Mostly Clear
Wednesday
High: 18 °F
Mostly Sunny
Wednesday Night
Low: 5 °F
Mostly Cloudy
Thursday
High: 19 °F
Mostly Sunny

Detailed Forecast

Tonight

Freezing rain and sleet likely before 2am, then a slight chance of snow between 2am and 4am. Cloudy, with a low around 18. Northeast wind around 5 mph becoming calm. Chance of precipitation is 70%. Total nighttime ice accumulation of less than a 0.1 of an inch possible. Total nighttime snow and sleet accumulation of less than a half inch possible.

Monday

Mostly sunny, with a high near 26. West wind 10 to 15 mph, with gusts as high as 30 mph.

Monday Night

Mostly clear, with a low around 6. Wind chill values as low as -7. West wind around 10 mph, with gusts as high as 25 mph.

Tuesday

Sunny, with a high near 20. Wind chill values as low as -8. Southwest wind 5 to 10 mph.

Tuesday Night

Mostly clear, with a low around 5. West wind around 5 mph.

Wednesday

Mostly sunny, with a high near 18.

Wednesday Night

Mostly cloudy, with a low around 5.