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Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fog

40°F

4°C

Humidity 100%
Wind Speed Calm
Barometer 30.18 in (1023.1 mb)
Dewpoint 40°F (4°C)
Visibility 0.25 mi
Last update 4 Mar 11:53 pm EST
Extended Forecast for

Claysburg PA

Dense Fog Advisory March 5, 12:28am until March 5, 04:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 5, 12:28am until March 5, 04:00am

    NOW until 4:00am Thu

    Dense Fog Advisory

  • Overnight

    Low: 42 °F

    Showers and
    Dense Fog

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 4pm. Areas of fog before 10am. High near 53. Light south wind. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 53 °F

    Showers and
    Areas Fog

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers between midnight and 3am. Low around 48. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly after 1pm. Partly sunny, with a high near 62. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers before 1am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 50. South wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 74. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers likely before 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Widespread dense fog, mainly before 4am. Low around 42. Calm wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers, with thunderstorms also possible after 4pm. Areas of fog before 10am. High near 53. Light south wind. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers between midnight and 3am. Low around 48. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A chance of showers, mainly after 1pm. Partly sunny, with a high near 62. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A slight chance of showers before 1am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 50. South wind 3 to 6 mph. Chance of precipitation is 20%.
Saturday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 74. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely before 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 51.
Tuesday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Wednesday
Showers likely. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Claysburg PA
 40.3°N 78.47°W (Elev. 1198 ft)
Last Update:
11:07 pm EST Mar 4, 2026
Forecast Valid:
12am EST Mar 5, 2026-6pm EDT Mar 11, 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