National Weather Service United States Department of Commerce

Oppressive heat and humidity building into the central and southeast U.S.

A heat wave is building into parts of the central and southeast U.S. this week. The combination of heat and humidity will lead to dangerous heat indices, especially in parts of the central Mississippi River Valley where an Excessive Heat Warning is in effect. Heat Advisories are in effect elsewhere across the region. Relief is not expected for several days.
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Hazardous Weather Conditions

Current Conditions

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Harrisburg PA

7 Day Forecast

For More Weather Information:

State College, PA Local Forecast Office

Overnight

Areas Fog

Areas
Fog

Low: 65 °F

Thursday

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 84 °F

Thursday
Night

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 65 °F

Friday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 80 °F

Friday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 64 °F

Saturday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 76 °F

Saturday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 62 °F

Sunday

Partly Sunny

Partly
Sunny

High: 77 °F

Sunday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 59 °F

Detailed Forecast

  • Overnight Areas of fog. Otherwise, mostly cloudy, with a low around 65. Calm wind.
  • Thursday A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%. 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. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Friday A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 80. Light east wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Friday Night A chance of showers. Mostly cloudy, with a low around 64. East wind 3 to 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch possible.
  • Saturday A chance of showers. Mostly cloudy, with a high near 76. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
  • Saturday Night A chance of showers before 9pm. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
  • Sunday Partly sunny, with a high near 77.
  • Sunday Night Mostly cloudy, with a low around 59.
  • Monday Partly sunny, with a high near 78.
  • Monday Night Partly cloudy, with a low around 60.
  • Tuesday Mostly sunny, with a high near 81.
  • Tuesday Night Partly cloudy, with a low around 61.
  • Wednesday Mostly sunny, with a high near 84.