Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Fair

81°F

27°C

Humidity 51%
Wind Speed NE 7 mph
Barometer 30.18 in
Dewpoint 62°F (17°C)
Visibility 9.00 mi
Heat Index82°F (28°C)
Last update 15 Aug 1:15 pm EDT
Extended Forecast for

West Chester PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 86. North wind around 5 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 68. Calm wind becoming southeast around 5 mph.

    Low: 68 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. Some of the storms could produce heavy rainfall.  High near 80. South wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Slight Chance
    T-storms then
    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am.  Low around 68. Southeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    Showers

  • Monday

    Monday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 85. Northwest wind 5 to 10 mph.  Chance of precipitation is 20%.

    High: 85 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 86. North wind around 5 mph.
Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 68. Calm wind becoming southeast around 5 mph.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. Some of the storms could produce heavy rainfall. High near 80. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am. Low around 68. Southeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Northwest wind 5 to 10 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Sunny, with a high near 85.
Wednesday Night
A chance of showers after 2am. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
West Chester PA
 39.96°N 75.59°W (Elev. 400 ft)
4:08 am EDT Aug 15, 2026
1pm EDT Aug 15, 2026-6pm EDT Aug 21, 2026
 
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Additional Resources

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