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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Current Conditions

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3 Miles NW Mercersburg PA

7 Day Forecast

For More Weather Information:

State College, PA Local Forecast Office

Today

Isolated Showers Chance for Measurable Precipitation 20%

Isolated
Showers

High: 87 °F

Tonight

Scattered Thunderstorms Chance for Measurable Precipitation 40%

Scattered
Thunderstorms

Low: 67 °F

Sunday

Severe Thunderstorms Chance for Measurable Precipitation 70%

Severe
Thunderstorms

High: 83 °F

Sunday
Night

Thunderstorms Likely Chance for Measurable Precipitation 70%

Thunderstorms
Likely

Low: 65 °F

Monday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 78 °F

Monday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 57 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 72 °F

Tuesday
Night

Mostly Clear

Mostly
Clear

Low: 53 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 76 °F

Detailed Forecast

  • Today Isolated showers before 11am. Mostly sunny, with a high near 87. Southwest wind 5 to 8 mph. Chance of precipitation is 20%.
  • Tonight Scattered showers and thunderstorms. Increasing clouds, with a low around 67. South wind 3 to 6 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Sunday Showers and thunderstorms likely, mainly after 2pm. Some storms could be severe, with large hail, damaging winds, and heavy rain. Mostly cloudy, with a high near 83. Southwest wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Sunday Night Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 65. East wind 5 to 7 mph becoming west after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
  • Monday A slight chance of showers, then a chance of showers and thunderstorms after 8am. Mostly cloudy, with a high near 78. West wind 9 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Monday Night A chance of showers before 8pm. Partly cloudy, with a low around 57. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch possible.
  • Tuesday Mostly sunny, with a high near 72.
  • Tuesday Night Mostly clear, with a low around 53.
  • Wednesday Mostly sunny, with a high near 76.
  • Wednesday Night Partly cloudy, with a low around 57.
  • Thursday Partly sunny, with a high near 81.
  • Thursday Night Partly cloudy, with a low around 59.
  • Friday Partly sunny, with a high near 80.