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Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Overcast

70°F

21°C

Humidity 90%
Wind Speed N 6 mph
Barometer 29.99 in (1014.8 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 20 Aug 11:53 am EDT
Extended Forecast for

4 Miles N Altoona PA

Flood Watch August 20, 12:38pm until August 20, 04:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 20, 12:38pm until August 20, 04:00pm

    NOW until 4:00pm Thu

    Flood Watch

  • This Afternoon

    High: 70 °F

    Heavy Rain

  • Tonight

    Tonight: Patchy fog before 3am, then patchy fog after 5am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 77. Calm wind becoming east around 5 mph.

    High: 77 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: A slight chance of showers, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 79. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 60. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers after 8am. Partly sunny, with a high near 76. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Rain and possibly a thunderstorm, mainly before 5pm, then a chance of rain and thunderstorms after 5pm. Some of the storms could produce heavy rainfall. High near 70. Northeast wind 3 to 5 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Patchy fog before 3am, then patchy fog after 5am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 57. Calm wind.
Friday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 77. Calm wind becoming east around 5 mph.
Friday Night
A slight chance of showers, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 79. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 60. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers after 8am. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 55.
Monday
Mostly sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Altoona PA
 40.56°N 78.39°W (Elev. 1293 ft)
Last Update:
12:26 pm EDT Aug 20, 2026
Forecast Valid:
12pm EDT Aug 20, 2026-6pm EDT Aug 26, 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