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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Overcast

38°F

3°C

Humidity 57%
Wind Speed SW 9 mph
Barometer 30.07 in (1018.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 7 Dec 12:51 pm EST
Extended Forecast for

3 Miles WNW Belfast PA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 37. Southwest wind around 5 mph.

    High: 37 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 21. West wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 28. North wind 5 to 15 mph.

    High: 28 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 8. North wind around 5 mph becoming calm in the evening.

    Low: 8 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 30. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 30 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 20%.

    Low: 24 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: A chance of rain. Cloudy, with a high near 41. Chance of precipitation is 50%.

    High: 41 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Chance Rain

  • Thursday

    Thursday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 37. Southwest wind around 5 mph.
Tonight
Partly cloudy, with a low around 21. West wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 28. North wind 5 to 15 mph.
Monday Night
Partly cloudy, with a low around 8. North wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 30. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Tuesday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 20%.
Wednesday
A chance of rain. Cloudy, with a high near 41. Chance of precipitation is 50%.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 39.
Thursday Night
A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Friday
A chance of snow. Mostly cloudy, with a high near 36. Chance of precipitation is 40%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Belfast PA
 40.8°N 75.31°W (Elev. 600 ft)
Last Update:
6:32 am EST Dec 7, 2025
Forecast Valid:
2pm EST Dec 7, 2025-6pm EST Dec 13, 2025
 
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