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

Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Fair

-2°F

-19°C

Humidity 87%
Wind Speed Calm
Barometer 30.50 in (1033.8 mb)
Dewpoint -5°F (-21°C)
Visibility 10.00 mi
Last update 21 Jan 1:51 am EST
Extended Forecast for

Allentown PA

  • Overnight

    Overnight: Clear, with a low around 2. Calm wind.

    Low: 2 °F

    Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 32. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 32 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27. South wind 5 to 10 mph.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 42. Southwest wind 5 to 15 mph.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 22. West wind around 5 mph.

    Low: 22 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 17.

    High: 17 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 10. Chance of precipitation is 50%.

    Low: 10 °F

    Chance Snow

Detailed Forecast

Overnight
Clear, with a low around 2. Calm wind.
Wednesday
Increasing clouds, with a high near 32. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 27. South wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 42. Southwest wind 5 to 15 mph.
Thursday Night
Mostly cloudy, with a low around 22. West wind around 5 mph.
Friday
Partly sunny, with a high near 29.
Friday Night
Partly cloudy, with a low around 7.
Saturday
Partly sunny, with a high near 17.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 10. Chance of precipitation is 50%.
Sunday
Snow likely. Cloudy, with a high near 19. Chance of precipitation is 70%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 7. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 23.
Monday Night
Partly cloudy, with a low around 8.
Tuesday
Mostly sunny, with a high near 24.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Allentown PA
 40.59°N 75.47°W (Elev. 299 ft)
Last Update:
4:10 pm EST Jan 20, 2026
Forecast Valid:
2am EST Jan 21, 2026-6pm EST Jan 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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