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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fair

53°F

12°C

Humidity 57%
Wind Speed Calm
Barometer 29.95 in (1014.3 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 21 Mar 12:53 pm EDT
Extended Forecast for

Altoona-Blair County Airport PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 60. Calm wind.

    High: 60 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 4pm. Some of the storms could be severe. Mostly sunny, with a high near 77. West wind 7 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Mostly Sunny
    then Severe
    Thunderstorms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 11pm, then showers after 11pm. Some of the storms could be severe. Low around 38. North wind 8 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 38 °F

    Severe
    Thunderstorms
    then Showers

  • Monday

    Monday: Partly sunny, with a high near 47. Northwest wind around 15 mph, with gusts as high as 24 mph.

    High: 47 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 60. Calm wind.
Tonight
Partly cloudy, with a low around 45. Calm wind becoming south 5 to 7 mph after midnight.
Sunday
A chance of showers and thunderstorms, mainly after 4pm. Some of the storms could be severe. Mostly sunny, with a high near 77. West wind 7 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 11pm, then showers after 11pm. Some of the storms could be severe. Low around 38. North wind 8 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Partly sunny, with a high near 47. Northwest wind around 15 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 55.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
A chance of showers. Partly sunny, with a high near 61. Chance of precipitation is 30%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.
Friday
A chance of showers. Mostly sunny, with a high near 51. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Altoona-Blair County Airport PA
 40.31°N 78.32°W (Elev. 1407 ft)
Last Update:
12:56 pm EDT Mar 21, 2026
Forecast Valid:
1pm EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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