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

Wintry precipitation expected Friday afternoon into Saturday morning

A storm system will bring accumulating snow, sleet, and freezing rain that can lead to holiday travel disruptions. View this briefing for details. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Overcast

40°F

4°C

Humidity 57%
Wind Speed Vrbl 6 mph
Barometer 29.96 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 25 Dec 10:55 am EST
Extended Forecast for

Mendenhall PA

  • Christmas Day

    Christmas Day: Mostly sunny, with a high near 46. Southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 46 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 22. North wind around 10 mph.

    Low: 22 °F

    Mostly Clear

  • Friday

    Friday: Snow likely after 1pm, mixing with sleet after 4pm. Increasing clouds, with a high near 30. North wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 70%. New snow and sleet accumulation of less than one inch possible.

    High: 30 °F

    Partly Sunny
    then
    Snow/Sleet
    Likely

  • Friday Night

    Friday Night: Snow and sleet before 10pm, then snow, freezing rain, and sleet between 10pm and 4am, then snow and freezing rain after 4am. Low around 27. East wind around 5 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of around an inch possible.

    Low: 27 °F

    Wintry Mix

  • Saturday

    Saturday: A chance of snow and freezing rain before 10am, then a chance of snow between 10am and 4pm, then a slight chance of freezing rain after 4pm. Cloudy, with a high near 35. Northeast wind 5 to 10 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance Wintry
    Mix

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain after 1pm. Cloudy, with a high near 38. Chance of precipitation is 40%.

    High: 38 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 34. Chance of precipitation is 80%.

    Low: 34 °F

    Rain

  • Monday

    Monday: Rain likely, mainly before 1pm. Mostly cloudy, with a high near 50. Chance of precipitation is 70%.

    High: 50 °F

    Rain Likely

Detailed Forecast

Christmas Day
Mostly sunny, with a high near 46. Southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 22. North wind around 10 mph.
Friday
Snow likely after 1pm, mixing with sleet after 4pm. Increasing clouds, with a high near 30. North wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 70%. New snow and sleet accumulation of less than one inch possible.
Friday Night
Snow and sleet before 10pm, then snow, freezing rain, and sleet between 10pm and 4am, then snow and freezing rain after 4am. Low around 27. East wind around 5 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of around an inch possible.
Saturday
A chance of snow and freezing rain before 10am, then a chance of snow between 10am and 4pm, then a slight chance of freezing rain after 4pm. Cloudy, with a high near 35. Northeast wind 5 to 10 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
A chance of rain after 1pm. Cloudy, with a high near 38. Chance of precipitation is 40%.
Sunday Night
Rain. Low around 34. Chance of precipitation is 80%.
Monday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 50. Chance of precipitation is 70%.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 31.
Tuesday Night
Mostly cloudy, with a low around 20.
Wednesday
Mostly sunny, with a high near 34.
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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:
4:11 am EST Dec 25, 2025
Forecast Valid:
11am EST Dec 25, 2025-6pm EST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation