Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Quakertown Airport (KUKT)

Lat: 40.44°NLon: 75.38°WElev: 509ft.

Fair

61°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 19 Aug 6:35 am EDT
Extended Forecast for

2 Miles SE Mertztown PA

  • Today

    Today: Sunny, with a high near 84. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 65. West wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm.  Partly sunny, with a high near 79. Calm wind becoming northeast around 5 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 8pm, then a slight chance of showers between 8pm and 2am.  Cloudy during the early evening, then gradual clearing, with a low around 59. Calm wind becoming north around 5 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 82. East wind around 5 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am.  Partly cloudy, with a low around 61. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers.  Partly sunny, with a high near 80. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers.  Mostly cloudy, with a low around 63. Chance of precipitation is 50%.

    Low: 63 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 81. Chance of precipitation is 30%.

    High: 81 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 84. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Tonight
Partly cloudy, with a low around 65. West wind around 5 mph.
Thursday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 79. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and thunderstorms likely before 8pm, then a slight chance of showers between 8pm and 2am. Cloudy during the early evening, then gradual clearing, with a low around 59. Calm wind becoming north around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 82. East wind around 5 mph.
Friday Night
A chance of showers after 2am. Partly cloudy, with a low around 61. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Mertztown PA
 40.48°N 75.64°W (Elev. 751 ft)
4:20 am EDT Aug 19, 2026
6am EDT Aug 19, 2026-6pm EDT Aug 25, 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