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

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Bryn Mawr PA

  • Overnight

    Overnight: Clear, with a low around 8. Calm wind.

    Low: 8 °F

    Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 34. Light south wind increasing to 10 to 15 mph in the morning.

    High: 34 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 30. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 43. Southwest wind around 10 mph, with gusts as high as 25 mph.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24. West wind around 5 mph.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 8.

    Low: 8 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 17.

    High: 17 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow likely, mainly after 1am. Cloudy, with a low around 11. Chance of precipitation is 60%.

    Low: 11 °F

    Snow Likely

Detailed Forecast

Overnight
Clear, with a low around 8. Calm wind.
Wednesday
Increasing clouds, with a high near 34. Light south wind increasing to 10 to 15 mph in the morning.
Wednesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 30. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 43. Southwest wind around 10 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 24. West wind around 5 mph.
Friday
Partly sunny, with a high near 32.
Friday Night
Mostly cloudy, with a low around 8.
Saturday
Partly sunny, with a high near 17.
Saturday Night
Snow likely, mainly after 1am. Cloudy, with a low around 11. Chance of precipitation is 60%.
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 9. Chance of precipitation is 50%.
Monday
A chance of snow. Partly sunny, with a high near 22. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 8.
Tuesday
Mostly sunny, with a high near 23.
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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:
4:10 pm EST Jan 20, 2026
Forecast Valid:
12am EST Jan 21, 2026-6pm EST Jan 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation