National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Major Winter Storm Anticipated Sunday into Monday

Potentially significant snowfall is forecast from a winter storm Sunday into Monday. View the latest briefing here. Read More >

Hazardous Weather Conditions

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Overcast

36°F

2°C

Humidity 87%
Wind Speed E 6 mph
Barometer 30.02 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 22 Feb 3:15 am EST
Extended Forecast for

4 Miles NNW Pomeroy PA

Winter Storm Warning February 22, 07:00am until February 23, 06:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Overnight

    Overnight: A chance of rain before 4am, then rain and snow likely. Cloudy, with a low around 31. Calm wind. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 31 °F

    Rain/Snow
    Likely

  • Sunday

    Sunday: Snow, possibly mixed with rain. High near 36. East wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 36 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Areas of blowing snow after 9pm. Low around 29. Blustery, with a northeast wind 15 to 25 mph becoming northwest after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

    Low: 29 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday

    Monday: A chance of snow, mainly before 1pm. Areas of blowing snow before 11am. Cloudy, with a high near 34. Breezy, with a northwest wind around 25 mph, with gusts as high as 45 mph. Chance of precipitation is 50%. New snow accumulation of 3 to 5 inches possible.

    High: 34 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Areas of blowing snow between 10pm and 1am. Mostly cloudy, with a low around 18. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.

    Low: 18 °F

    Areas Blowing
    Snow and
    Blustery

  • Tuesday

    Tuesday: Mostly sunny, with a high near 29. Blustery.

    High: 29 °F

    Mostly Sunny
    and Blustery

  • Tuesday Night

    Tuesday Night: A chance of snow after 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.

    Low: 19 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow before 1pm. Partly sunny, with a high near 41. Chance of precipitation is 30%.

    High: 41 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
A chance of rain before 4am, then rain and snow likely. Cloudy, with a low around 31. Calm wind. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday
Snow, possibly mixed with rain. High near 36. East wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Snow. The snow could be heavy at times. Areas of blowing snow after 9pm. Low around 29. Blustery, with a northeast wind 15 to 25 mph becoming northwest after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.
Monday
A chance of snow, mainly before 1pm. Areas of blowing snow before 11am. Cloudy, with a high near 34. Breezy, with a northwest wind around 25 mph, with gusts as high as 45 mph. Chance of precipitation is 50%. New snow accumulation of 3 to 5 inches possible.
Monday Night
Areas of blowing snow between 10pm and 1am. Mostly cloudy, with a low around 18. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.
Tuesday
Mostly sunny, with a high near 29. Blustery.
Tuesday Night
A chance of snow after 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Wednesday
A chance of snow before 1pm. Partly sunny, with a high near 41. Chance of precipitation is 30%.
Wednesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Thursday
A chance of rain. Partly sunny, with a high near 44. Chance of precipitation is 50%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Friday
A chance of rain. Mostly sunny, with a high near 41. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 26.
Saturday
Mostly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Pomeroy PA
 40.02°N 75.96°W (Elev. 495 ft)
Last Update:
4:16 pm EST Feb 21, 2026
Forecast Valid:
3am EST Feb 22, 2026-6pm EST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation