National Weather Service United States Department of Commerce

Flash flooding threat continues from the Great Basin across the southern Plains

The wet pattern in place will continue from the Great Basin across the central and southern Rockies into the southern Plains into Wednesday. Ample monsoonal moisture with a frontal boundary in place will allow for shower and thunderstorm development with locally heavy rainfall at times. The heavier showers could lead to flash flooding in some areas, especially urban areas and burn scars.
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Current Conditions

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Allentown PA

7 Day Forecast

For More Weather Information:

Philadelphia, PA Local Forecast Office

Overnight

Mostly Clear

Mostly
Clear

Low: 53 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 80 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 57 °F

Thursday

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

High: 82 °F

Thursday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 61 °F

Friday

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 84 °F

Friday
Night

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 62 °F

Saturday

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

High: 80 °F

Saturday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 66 °F

Detailed Forecast

  • Overnight Mostly clear, with a low around 53. Calm wind.
  • Wednesday Mostly sunny, with a high near 80. Calm wind becoming west 5 to 7 mph in the afternoon.
  • Wednesday Night Partly cloudy, with a low around 57. West wind around 5 mph becoming calm in the evening.
  • Thursday A slight chance of showers between 9am and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 82. Calm wind becoming southwest 5 to 9 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Thursday Night A chance of showers and thunderstorms. Partly cloudy, with a low around 61. South wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Friday A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 84. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Friday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
  • Saturday Showers likely. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
  • Saturday Night A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
  • Sunday A chance of showers. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
  • Sunday Night Mostly cloudy, with a low around 64.
  • Monday Partly sunny, with a high near 84.
  • Monday Night Partly cloudy, with a low around 64.
  • Tuesday A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%.