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

Hazardous Weather Conditions

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Fair

29°F

-2°C

Humidity 46%
Wind Speed W 5 mph
Barometer 29.91 in
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 24 Feb 5:15 pm EST
Extended Forecast for

Mendenhall PA

  • Tonight

    Tonight: Snow, mainly after 3am. Low around 21. Light and variable wind becoming south 5 to 10 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 21 °F

    Partly Cloudy
    then Snow

  • Wednesday

    Wednesday: A chance of snow, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 46. Southwest wind 10 to 15 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Chance Snow
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Southwest wind around 5 mph becoming northwest after midnight.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain and snow before 10am, then a chance of snow. Mostly cloudy, with a high near 41. Northwest wind 5 to 10 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Slight Chance
    Rain/Snow
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A chance of snow before 4am, then a chance of snow and freezing rain. Mostly cloudy, with a low around 27. North wind around 5 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Snow
    then Chance
    Wintry Mix

  • Friday

    Friday: A chance of freezing rain before 7am. Partly sunny, with a high near 42. Chance of precipitation is 30%.

    High: 42 °F

    Chance
    Freezing Rain
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow, mainly after 3am. Low around 21. Light and variable wind becoming south 5 to 10 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
A chance of snow, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 46. Southwest wind 10 to 15 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 29. Southwest wind around 5 mph becoming northwest after midnight.
Thursday
A slight chance of rain and snow before 10am, then a chance of snow. Mostly cloudy, with a high near 41. Northwest wind 5 to 10 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of snow before 4am, then a chance of snow and freezing rain. Mostly cloudy, with a low around 27. North wind around 5 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday
A chance of freezing rain before 7am. Partly sunny, with a high near 42. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly cloudy, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 21.
Monday
A chance of snow. Mostly cloudy, with a high near 31. Chance of precipitation is 40%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mendenhall PA
 39.86°N 75.72°W (Elev. 397 ft)
Last Update:
4:31 pm EST Feb 24, 2026
Forecast Valid:
5pm EST Feb 24, 2026-6pm EST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation