National Weather Service United States Department of Commerce

Severe thunderstorms and heavy rain expected over parts of the mid-Mississippi and lower Ohio Valleys Saturday and Saturday night

The NWS Storm Prediction Center has issued a Moderate Risk of severe thunderstorms for Saturday and Saturday night across parts of the middle Mississippi and lower Ohio Valleys. Very large hail, strong wind gusts and a few tornadoes are expected in this area. Also, these storms could produce heavy rain that could lead to flash flooding, especially from central Indiana to southern Ohio.
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Hazardous Weather Conditions

Current Conditions

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Harleysville PA

7 Day Forecast

For More Weather Information:

Philadelphia, PA Local Forecast Office

This
Afternoon

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

High: 83 °F

Tonight

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 66 °F

Sunday

Heavy Rain Chance for Measurable Precipitation 60%

Heavy
Rain

High: 85 °F

Sunday
Night

Heavy Rain Chance for Measurable Precipitation 60%

Heavy
Rain

Low: 68 °F

Monday

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 82 °F

Monday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 62 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 77 °F

Tuesday
Night

Mostly Clear

Mostly
Clear

Low: 56 °F

Wednesday

Sunny

Sunny

High: 79 °F

Detailed Forecast

  • This Afternoon Isolated showers and thunderstorms after 3pm. Partly sunny, with a high near 83. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.
  • Tonight Isolated showers and thunderstorms. Mostly cloudy, with a low around 66. South wind 3 to 5 mph. Chance of precipitation is 20%.
  • Sunday Showers and thunderstorms likely, mainly after 2pm. Some of the storms could produce small hail, gusty winds, and heavy rain. Mostly cloudy, with a high near 85. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Sunday Night Showers and thunderstorms likely. Some of the storms could produce small hail, gusty winds, and heavy rain. Mostly cloudy, with a low around 68. South wind around 6 mph becoming northwest after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
  • Monday A chance of showers and thunderstorms. Partly sunny, with a high near 82. West wind 7 to 13 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Monday Night A slight chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 20%.
  • Tuesday Mostly sunny, with a high near 77.
  • Tuesday Night Mostly clear, with a low around 56.
  • Wednesday Sunny, with a high near 79.
  • Wednesday Night Mostly clear, with a low around 58.
  • Thursday Sunny, with a high near 82.
  • Thursday Night Partly cloudy, with a low around 60.
  • Friday Mostly sunny, with a high near 82.