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

Extreme Heat and Excessive Rainfall This Week

A significant heat wave continues for the Rockies, Northern Plains, and Great Lakes into the Mid-Atlantic, peaking in intensity through midweek and lingering across parts of the Northern Plains and Midwest until this weekend. Excessive rainfall my bring life-threatening and locally catastrophic flash and urban flooding across portions of southwestern Texas through early Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Fair

75°F

24°C

Humidity 74%
Wind Speed SW 7 mph
Barometer 29.91 in (1012.5 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 15 Jul 3:51 am EDT
Extended Forecast for

Tatamy PA

Heat Advisory July 15, 10:00am until July 15, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Mostly sunny and hot, with a high near 97. Heat index values as high as 104. West wind 5 to 15 mph.

    High: 97 °F

    Hot

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Widespread smoke, mainly between 9pm and 1am. Partly cloudy, with a low around 69. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Smoke

  • Thursday

    Thursday: Widespread smoke, mainly after 2pm. Mostly sunny, with a high near 91. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 91 °F

    Smoke

  • Thursday Night

    Thursday Night: Widespread smoke, mainly before 7pm. Mostly clear, with a low around 65. Northwest wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Smoke

  • Friday

    Friday: Mostly sunny, with a high near 88. Calm wind.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 83. Chance of precipitation is 80%.

    High: 83 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm, mainly before 2am. Low around 66. Chance of precipitation is 80%.

    Low: 66 °F

    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny and hot, with a high near 97. Heat index values as high as 104. West wind 5 to 15 mph.
Tonight
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Widespread smoke, mainly between 9pm and 1am. Partly cloudy, with a low around 69. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
Widespread smoke, mainly after 2pm. Mostly sunny, with a high near 91. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Widespread smoke, mainly before 7pm. Mostly clear, with a low around 65. Northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 88. Calm wind.
Friday Night
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 83. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm, mainly before 2am. Low around 66. Chance of precipitation is 80%.
Sunday
Partly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 86.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tatamy PA
 40.75°N 75.27°W (Elev. 400 ft)
Last Update:
4:08 am EDT Jul 15, 2026
Forecast Valid:
4am EDT Jul 15, 2026-6pm EDT Jul 21, 2026
 
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