National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

State College Regional Airport (KUNV)

Lat: 40.85°NLon: 77.85°WElev: 1231ft.

Mostly Cloudy

88°F

31°C

Humidity 62%
Wind Speed SW 8 mph
Barometer 30.08 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 30 Jun 2:53 pm EDT
Extended Forecast for

Zion PASimilar City Names

Heat Advisory July 3, 08:00pm until July 4, 08:00pm
Extreme Heat Warning July 1, 12:00pm until July 3, 08:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning

  • Tonight

    Tonight: A slight chance of showers between 11pm and midnight. Mostly clear, with a low around 72. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95. Heat index values as high as 105. Calm wind becoming west 5 to 7 mph in the morning.

    High: 95 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73. West wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Heat index values as high as 104. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. West wind around 6 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Independence Day

    Independence Day: A chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 94. Chance of precipitation is 30%.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers between 11pm and midnight. Mostly clear, with a low around 72. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Wednesday
Sunny and hot, with a high near 95. Heat index values as high as 105. Calm wind becoming west 5 to 7 mph in the morning.
Wednesday Night
Mostly clear, with a low around 73. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 98. Heat index values as high as 104. Calm wind becoming west 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 75. West wind around 6 mph becoming calm in the evening.
Friday
Sunny and hot, with a high near 97.
Friday Night
Partly cloudy, with a low around 73.
Independence Day
A chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 94. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 86.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Zion PASimilar City Names
 40.93°N 77.66°W (Elev. 1099 ft)
Last Update:
2:21 pm EDT Jun 30, 2026
Forecast Valid:
3pm EDT Jun 30, 2026-6pm EDT Jul 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation