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

Today

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 85 °F

Tonight

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 67 °F

Friday

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 83 °F

Friday
Night

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 63 °F

Saturday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 76 °F

Saturday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 60 °F

Sunday

Partly Sunny

Partly
Sunny

High: 77 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 58 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 79 °F

Detailed Forecast

  • Today A chance of showers, with thunderstorms also possible after 1pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 85. Calm wind becoming southwest around 5 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.
  • Tonight A chance of showers and thunderstorms. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Friday A slight chance of showers, then a chance of showers and thunderstorms after noon. Patchy fog before 9am. Otherwise, partly sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Friday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East wind 5 to 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Saturday A slight chance of showers after noon. Mostly cloudy, with a high near 76. East wind around 8 mph. Chance of precipitation is 20%.
  • Saturday Night Mostly cloudy, with a low around 60.
  • Sunday Partly sunny, with a high near 77.
  • Sunday Night Partly cloudy, with a low around 58.
  • Monday Mostly sunny, with a high near 79.
  • Monday Night Partly cloudy, with a low around 58.
  • Tuesday Mostly sunny, with a high near 81.
  • Tuesday Night Mostly clear, with a low around 60.
  • Wednesday Mostly sunny, with a high near 84.