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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Hazardous Weather Conditions

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Fair

19°F

-7°C

Humidity 44%
Wind Speed SW 8 mph
Barometer 30.08 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 28 Jan 1:35 pm EST
Extended Forecast for

Bryn Mawr PA

Cold Weather Advisory January 28, 01:47pm until January 29, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 28, 01:47pm until January 29, 10:00am

    NOW until 10:00am Thu

    Cold Weather Advisory

  • This Afternoon

    High: 21 °F

    Scattered
    Flurries

  • Tonight

    Tonight: Scattered flurries before 10pm. Partly cloudy, with a low around 1. Wind chill values as low as -9. West wind 5 to 10 mph.

    Low: 1 °F

    Scattered
    Flurries

  • Thursday

    Thursday: Mostly sunny, with a high near 18. Wind chill values as low as -11. West wind around 10 mph, with gusts as high as 20 mph.

    High: 18 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 1. Wind chill values as low as -12. West wind 5 to 10 mph.

    Low: 1 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 16. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 16 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 0.

    Low: 0 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 17.

    High: 17 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Cloudy, with a low around 11. Chance of precipitation is 30%.

    Low: 11 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

This Afternoon
Scattered flurries after 4pm. Mostly cloudy, with a high near 21. West wind around 10 mph.
Tonight
Scattered flurries before 10pm. Partly cloudy, with a low around 1. Wind chill values as low as -9. West wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 18. Wind chill values as low as -11. West wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 1. Wind chill values as low as -12. West wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 16. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 0.
Saturday
Mostly cloudy, with a high near 17.
Saturday Night
A chance of snow after 1am. Cloudy, with a low around 11. Chance of precipitation is 30%.
Sunday
A chance of snow. Cloudy, with a high near 23. Blustery. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 14.
Monday
Partly sunny, with a high near 29.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bryn Mawr PA
 40.02°N 75.32°W (Elev. 397 ft)
Last Update:
12:29 pm EST Jan 28, 2026
Forecast Valid:
1pm EST Jan 28, 2026-6pm EST Feb 3, 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