Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather from the Southern Plains to the Great Lakes

Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Fair

83°F

28°C

Humidity 41%
Wind Speed SW 20 G 30 mph
Barometer 29.92 in (1013.0 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 14 Apr 1:51 pm EDT
Extended Forecast for

5 Miles NNW Chapman PA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly after 5pm.  Mostly sunny, with a high near 81. Southwest wind around 15 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm  after midnight.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    High: 85 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 84. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 84 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers.  Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 76. Chance of precipitation is 50%.

    High: 76 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of thunderstorms before 8pm.  Partly cloudy, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 81. Southwest wind around 15 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Partly sunny, with a high near 84. Light southwest wind increasing to 5 to 10 mph in the morning.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 50%.
Friday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 72.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Sunday
A chance of showers. Mostly cloudy, with a high near 65. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Chapman PA
 40.83°N 75.43°W (Elev. 915 ft)
4:09 am EDT Apr 14, 2026
2pm EDT Apr 14, 2026-6pm EDT Apr 20, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database