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.

Overcast

36°F

2°C

Humidity 49%
Wind Speed S 10 mph
Barometer 30.21 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 21 Jan 6:15 pm EST
Extended Forecast for

Glenside PA

  • Tonight

    Tonight: A chance of flurries before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 31. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Chance
    Flurries

  • Thursday

    Thursday: Increasing clouds, with a high near 44. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 44 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. West wind around 5 mph.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 36. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 36 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 9. Northwest wind 10 to 15 mph.

    Low: 9 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 18.

    High: 18 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Snow, mainly after 1am. Low around 11. Chance of precipitation is 80%.

    Low: 11 °F

    Chance Snow
    then Snow

  • Sunday

    Sunday: Snow. High near 20. Chance of precipitation is 90%.

    High: 20 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely. Cloudy, with a low around 15. Chance of precipitation is 70%.

    Low: 15 °F

    Snow Likely

Detailed Forecast

Tonight
A chance of flurries before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 31. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
Increasing clouds, with a high near 44. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 23. West wind around 5 mph.
Friday
Partly sunny, with a high near 36. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 9. Northwest wind 10 to 15 mph.
Saturday
Mostly cloudy, with a high near 18.
Saturday Night
Snow, mainly after 1am. Low around 11. Chance of precipitation is 80%.
Sunday
Snow. High near 20. Chance of precipitation is 90%.
Sunday Night
Snow likely. Cloudy, with a low around 15. Chance of precipitation is 70%.
Monday
A chance of snow before 1pm. Partly sunny, with a high near 24. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 6.
Tuesday
Sunny, with a high near 20.
Tuesday Night
Partly cloudy, with a low around 7.
Wednesday
Partly sunny, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Glenside PA
 40.11°N 75.15°W (Elev. 299 ft)
Last Update:
4:11 pm EST Jan 21, 2026
Forecast Valid:
6pm EST Jan 21, 2026-6pm EST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation