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

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

A Few Clouds

78°F

26°C

Humidity 85%
Wind Speed W 6 mph
Barometer 30.09 in (1018.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 15 Aug 1:54 am EDT
Extended Forecast for

Colwyn PA

  • Overnight

    Overnight: Partly cloudy, with a low around 71. Northeast wind around 5 mph.

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 89. Northeast wind around 5 mph.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70. East wind around 5 mph becoming calm  in the evening.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Some of the storms could produce heavy rainfall.  Patchy fog before 8am. High near 84. South wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Patchy Fog
    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 chance of showers after 2am.  Low around 72. Southeast wind around 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: 72 °F

    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 5pm.  Mostly sunny, with a high near 88. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 71. Northeast wind around 5 mph.
Saturday
Mostly sunny, with a high near 89. Northeast wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening.
Sunday
Showers and thunderstorms likely before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Some of the storms could produce heavy rainfall. Patchy fog before 8am. High near 84. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Low around 72. Southeast wind around 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 chance of showers, with thunderstorms also possible after 5pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny, with a high near 89.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Colwyn PA
 39.9°N 75.25°W (Elev. 52 ft)
2:11 am EDT Aug 15, 2026
2am EDT Aug 15, 2026-6pm EDT Aug 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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