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

Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Fair

70°F

21°C

Humidity 90%
Wind Speed SW 5 mph
Barometer 29.83 in (1009.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 13 Aug 4:51 am EDT
Extended Forecast for

2 Miles SSW Allentown PA

  • Overnight

    Overnight: A slight chance of showers. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 85. Southwest wind 5 to 10 mph becoming northwest in the morning.

    High: 85 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85. Calm wind.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.

    Low: 69 °F

    Showers
    Likely

Detailed Forecast

Overnight
A slight chance of showers. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 85. Southwest wind 5 to 10 mph becoming northwest in the morning.
Thursday Night
Partly cloudy, with a low around 65. Calm wind.
Friday
Mostly sunny, with a high near 85. Calm wind.
Friday Night
Partly cloudy, with a low around 63. Calm wind.
Saturday
Sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.
Monday
A chance of showers before 8am. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Allentown PA
 40.57°N 75.48°W (Elev. 381 ft)
Last Update:
4:08 am EDT Aug 13, 2026
Forecast Valid:
5am EDT Aug 13, 2026-6pm EDT Aug 19, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation