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

A major winter storm is expected to impact the area late this weekend.

A major winter storm is expected to begin impacting the area Saturday night, continuing through early Monday afternoon. Significant snow accumulations are possible areawide. Some mixed precipitation is possible across southeastern PA, southern NJ, and the Delmarva. View this briefing for details. Read More >

Hazardous Weather Conditions

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Fair

47°F

8°C

Humidity 35%
Wind Speed W 14 G 17 mph
Barometer 30.01 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 22 Jan 2:15 pm EST
Extended Forecast for

Bryn Mawr PA

Winter Storm Watch January 24, 07:00pm until January 26, 01:00pm
Cold Weather Advisory January 23, 10:00pm until January 24, 10:00am
Click here for hazard details and duration
Winter Storm Watch
Cold Weather Advisory

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 46. West wind around 15 mph, with gusts as high as 25 mph.

    High: 46 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 25. West wind around 5 mph.

    Low: 25 °F

    Decreasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 36. West wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 36 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 8. Wind chill values as low as -5. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 8 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 19. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 19 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow, mainly after 1am. The snow could be heavy at times. Low around 12. Chance of precipitation is 90%.

    Low: 12 °F

    Chance Snow
    then Heavy
    Snow

  • Sunday

    Sunday: Snow before 1pm, then snow, possibly mixed with freezing rain and sleet. The snow could be heavy at times. High near 23. Chance of precipitation is 100%.

    High: 23 °F

    Heavy Snow
    then Wintry
    Mix

  • Sunday Night

    Sunday Night: Snow. Low around 18. Chance of precipitation is 90%.

    Low: 18 °F

    Snow

  • Monday

    Monday: A chance of snow. Partly sunny, with a high near 25. Chance of precipitation is 40%.

    High: 25 °F

    Chance Snow

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 46. West wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 25. West wind around 5 mph.
Friday
Partly sunny, with a high near 36. West wind 5 to 15 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 8. Wind chill values as low as -5. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday
Partly sunny, with a high near 19. North wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Snow, mainly after 1am. The snow could be heavy at times. Low around 12. Chance of precipitation is 90%.
Sunday
Snow before 1pm, then snow, possibly mixed with freezing rain and sleet. The snow could be heavy at times. High near 23. Chance of precipitation is 100%.
Sunday Night
Snow. Low around 18. Chance of precipitation is 90%.
Monday
A chance of snow. Partly sunny, with a high near 25. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 6.
Tuesday
Mostly sunny, with a high near 18.
Tuesday Night
Mostly clear, with a low around 8.
Wednesday
Mostly sunny, with a high near 22.
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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:
1:31 pm EST Jan 22, 2026
Forecast Valid:
2pm EST Jan 22, 2026-6pm EST Jan 28, 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