Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Overcast

63°F

17°C

Humidity 65%
Wind Speed SW 8 mph
Barometer 30.10 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 31 Mar 12:30 am EDT
Extended Forecast for

Norristown PA

  • Overnight

    Overnight: A chance of showers, mainly after 4am.  Mostly cloudy, with a low around 58. Southwest wind 5 to 10 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, mainly before 1pm.  Mostly sunny, with a high near 79. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 79 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 2am.  Partly cloudy, with a low around 65. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    Low: 65 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 77. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers.  Mostly cloudy, with a low around 53. West wind around 5 mph becoming northeast after midnight.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers before 2pm.  Mostly cloudy, with a high near 67. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 52. Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 59. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    Showers

Detailed Forecast

Overnight
A chance of showers, mainly after 4am. Mostly cloudy, with a low around 58. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A chance of showers, mainly before 1pm. Mostly sunny, with a high near 79. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 65. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 77. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 53. West wind around 5 mph becoming northeast after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers before 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 76.
Friday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Sunday
A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.
Monday
A chance of showers. Partly sunny, with a high near 59. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Norristown PA
 40.13°N 75.33°W (Elev. 200 ft)
4:10 pm EDT Mar 30, 2026
12am EDT Mar 31, 2026-6pm EDT Apr 6, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database