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

Excessive Rainfall and Severe Thunderstorms Threaten the Southern U.S. Again Friday

Heavy to excessive rainfall is forecast for eastern Louisiana into central Alabama which could bring flash, urban, and riverine flooding Friday. Scattered severe thunderstorms with a few tornadoes, very large hail, and damaging winds are possible across parts of the Gulf Coast States Friday and Friday night. Read More >

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Overcast with Haze

64°F

18°C

Humidity 78%
Wind Speed SE 3 mph
Barometer 29.99 in
Dewpoint 57°F (14°C)
Visibility 5.00 mi
Last update 17 May 12:15 pm EDT
Extended Forecast for

Norristown PA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 72. East wind around 5 mph.

    High: 72 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of showers after 2am. Mostly cloudy, with a low around 57. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 57 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 68. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 55. Southeast wind around 5 mph becoming calm.

    Low: 55 °F

    Patchy Fog

  • Sunday

    Sunday: Partly sunny, with a high near 75. Northeast wind around 5 mph.

    High: 75 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 72. East wind around 5 mph.
Tonight
A slight chance of showers after 2am. Mostly cloudy, with a low around 57. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 68. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 55. Southeast wind around 5 mph becoming calm.
Sunday
Partly sunny, with a high near 75. Northeast wind around 5 mph.
Sunday Night
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 54.
Monday
Partly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Partly sunny, with a high near 80.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Norristown PA
 40.11°N 75.33°W (Elev. 177 ft)
Last Update:
10:11 am EDT May 17, 2024
Forecast Valid:
12pm EDT May 17, 2024-6pm EDT May 23, 2024
 
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