Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Overcast

72°F

22°C

Humidity NA
Wind Speed Calm
Barometer 29.84 in
Dewpoint N/A
Visibility 10.00 mi
Last update 18 Aug 2:35 am EDT
Extended Forecast for

Lansdale PA

  • Overnight

    Overnight: Patchy fog.  Otherwise, mostly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Patchy Fog

  • Tuesday

    Tuesday: Isolated showers and thunderstorms after 2pm.  Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 87. North wind around 5 mph.  Chance of precipitation is 20%.

    High: 87 °F

    Patchy Fog
    then Isolated
    T-storms

  • Tuesday Night

    Tuesday Night: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am.  Otherwise, sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.

    High: 88 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 84. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely, mainly before 8pm.  Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

  • Friday

    Friday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers after 8pm.  Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 68. Calm wind.
Tuesday
Isolated showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 87. North wind around 5 mph. Chance of precipitation is 20%.
Tuesday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 64. Calm wind.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 68. Calm wind.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 83.
Friday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Sunday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Monday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Lansdale PA
 40.24°N 75.28°W (Elev. 387 ft)
2:35 am EDT Aug 18, 2026
2am EDT Aug 18, 2026-6pm EDT Aug 24, 2026
 
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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