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

Dangerous Heat in the East; Critical Fire Weather in the Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Overcast

76°F

24°C

Humidity 74%
Wind Speed Vrbl 3 mph
Barometer 30.16 in (1020.3 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 29 Jun 10:53 am EDT
Extended Forecast for

2 Miles WSW Mapleton Depot PA

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

  • Today

    Today: A slight chance of showers and thunderstorms between 1pm and 2pm. Partly sunny, with a high near 84. Calm wind. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 67. Light south wind.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. South wind 3 to 6 mph.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. South wind around 5 mph.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 94. Calm wind becoming west around 6 mph in the afternoon.

    High: 94 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Friday

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

    High: 97 °F

    Hot

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 1pm and 2pm. Partly sunny, with a high near 84. Calm wind. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 67. Light south wind.
Tuesday
Mostly sunny, with a high near 88. South wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 70. South wind around 5 mph.
Wednesday
Sunny and hot, with a high near 94. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
Mostly clear, with a low around 73.
Friday
Sunny and hot, with a high near 97.
Friday Night
Mostly clear, with a low around 72.
Independence Day
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 93. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Mapleton Depot PA
 40.37°N 78.02°W (Elev. 1296 ft)
Last Update:
9:55 am EDT Jun 29, 2026
Forecast Valid:
11am EDT Jun 29, 2026-6pm EDT Jul 5, 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