Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Fair

49°F

9°C

Humidity 59%
Wind Speed N 9 G 17 mph
Barometer 29.96 in (1014.7 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 21 Mar 12:51 pm EDT
Extended Forecast for

3 Miles SSW Summit Hill PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 55. North wind around 6 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. Light and variable wind.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 4pm.  Partly sunny, with a high near 67. Southwest wind 3 to 6 mph.  Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm.  Low around 37. North wind 3 to 6 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Showers

  • Monday

    Monday: Mostly sunny, with a high near 46. Northwest wind around 10 mph, with gusts as high as 25 mph.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 55. North wind around 6 mph.
Tonight
Mostly cloudy, with a low around 40. Light and variable wind.
Sunday
A chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 67. Southwest wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm. Low around 37. North wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Mostly sunny, with a high near 46. Northwest wind around 10 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 52.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
A chance of showers. Mostly cloudy, with a high near 55. Chance of precipitation is 30%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.
Friday
A chance of showers. Mostly sunny, with a high near 47. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Summit Hill PA
 40.79°N 75.87°W (Elev. 814 ft)
12:56 pm EDT Mar 21, 2026
1pm EDT Mar 21, 2026-6pm EDT Mar 27, 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