Dangerous, Record-Breaking Heat to Continue in the Central and Eastern U.S.; Severe Thunderstorms in the Upper Midwest; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will continue across most of the central and eastern U.S this week. Heat indices will exceed 100 degrees. Severe storms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians Thursday, with the primary threat large to very large hail. Critical fire weather to continue in the Four Corners Region Read More >

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fair

75°F

24°C

Humidity 90%
Wind Speed S 3 mph
Barometer 30.10 in (1017.9 mb)
Dewpoint 72°F (22°C)
Visibility 9.00 mi
Last update 1 Jul 11:53 pm EDT
Extended Forecast for

3 Miles SSE Kistler PA

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

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Overnight

    Low: 73 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 103. Heat index values as high as 108. Calm wind becoming west around 5 mph in the afternoon.

    High: 103 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 101. Heat index values as high as 108. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Independence Day

    Independence Day: A chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 98. Chance of precipitation is 30%.

    High: 98 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

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

    Low: 70 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm after 2pm.  Partly sunny and hot, with a high near 95. Chance of precipitation is 60%.

    High: 95 °F

    Mostly Sunny
    then Showers
    Likely

Detailed Forecast

Overnight
Clear, with a low around 73. Calm wind.
Thursday
Sunny and hot, with a high near 103. Heat index values as high as 108. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 75. Calm wind.
Friday
Sunny and hot, with a high near 101. Heat index values as high as 108. Calm wind becoming west 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 73. Calm wind.
Independence Day
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 98. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Sunday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny and hot, with a high near 95. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 87.
Tuesday Night
Mostly cloudy, with a low around 66.
Wednesday
Partly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Kistler PA
 40.35°N 77.85°W (Elev. 620 ft)
8:31 pm EDT Jul 1, 2026
12am EDT Jul 2, 2026-6pm EDT Jul 8, 2026
 
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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