National Weather Service United States Department of Commerce

Developing storm will spread rain across eastern U.S.; thunderstorms in the Southeast

A storm system developing in the South will move up the Mississippi River Valley on Sunday bringing rainfall to much of the eastern U.S., along with thunderstorms in the southeastern states. Some of the thunderstorms in the Southeast could produce large hail, damaging wind and heavy rain.
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Hazardous Weather Conditions

Current Conditions

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Allentown PA

7 Day Forecast

For More Weather Information:

Philadelphia, PA Local Forecast Office

Tonight

Scattered Sprinkles

Scattered
Sprinkles

Low: 32 °F

Sunday

Partly Sunny

Partly
Sunny

High: 48 °F

Sunday
Night

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

Low: 43 °F

Monday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 70 °F

Monday
Night

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

Low: 43 °F

Tuesday

Sunny

Sunny

High: 50 °F

Tuesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 33 °F

Wednesday

Rain/Snow Likely Chance for Measurable Precipitation 60%

Rain/Snow
Likely

High: 39 °F

Wednesday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 30 °F

Detailed Forecast

  • Tonight Scattered sprinkles before 11pm. Cloudy, with a low around 32. Southwest wind 3 to 5 mph.
  • Sunday Partly sunny, with a high near 48. Calm wind becoming southwest around 6 mph.
  • Sunday Night Showers, mainly after midnight. The rain could be heavy at times. Low around 43. Light east wind increasing to 6 to 11 mph in the evening. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
  • Monday A chance of showers, mainly before 8am. Mostly cloudy, with a high near 70. South wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Monday Night A chance of showers before midnight. Partly cloudy, with a low around 43. Southwest wind 9 to 13 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
  • Tuesday Sunny, with a high near 50.
  • Tuesday Night Mostly cloudy, with a low around 33.
  • Wednesday Rain and snow likely. Cloudy, with a high near 39. Chance of precipitation is 60%.
  • Wednesday Night A chance of snow. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
  • Thanksgiving Day Mostly sunny, with a high near 44.
  • Thursday Night Partly cloudy, with a low around 29.
  • Friday Mostly sunny, with a high near 37.
  • Friday Night Partly cloudy, with a low around 23.
  • Saturday Mostly sunny, with a high near 34.