Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Fair

15°F

-9°C

Humidity 49%
Wind Speed W 3 mph
Barometer 30.28 in (1026.1 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Last update 9 Dec 1:51 am EST
Extended Forecast for

Allentown PA

  • Overnight

    Overnight: Partly cloudy, with a low around 11. Calm wind.

    Low: 11 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 31. Calm wind becoming south around 5 mph in the afternoon.

    High: 31 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26. South wind around 5 mph.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain, possibly mixed with snow, becoming all rain after 1pm.  High near 41. South wind 10 to 15 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 41 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 10pm.  Mostly cloudy, with a low around 28. Southwest wind 10 to 15 mph becoming west after midnight.  Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of snow.  Mostly cloudy, with a low around 24. Chance of precipitation is 40%.

    Low: 24 °F

    Chance Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 11. Calm wind.
Tuesday
Increasing clouds, with a high near 31. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 26. South wind around 5 mph.
Wednesday
Rain, possibly mixed with snow, becoming all rain after 1pm. High near 41. South wind 10 to 15 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday Night
A slight chance of rain before 10pm. Mostly cloudy, with a low around 28. Southwest wind 10 to 15 mph becoming west after midnight. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 36.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 36.
Friday Night
A chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.
Saturday
Mostly cloudy, with a high near 36.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 14.
Monday
Mostly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
Allentown PA
 40.59°N 75.47°W (Elev. 299 ft)
2:26 am EST Dec 9, 2025
2am EST Dec 9, 2025-6pm EST Dec 15, 2025
 
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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