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

Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fog

58°F

14°C

Humidity 100%
Wind Speed E 3 mph
Barometer 30.14 in (1020.1 mb)
Dewpoint 58°F (14°C)
Visibility 0.25 mi
Last update 26 May 5:53 am EDT
Extended Forecast for

Hesston PA

Dense Fog Advisory until May 26, 08:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until May 26, 08:00am

    NOW until 8:00am Tue

    Dense Fog Advisory

  • Today

    High: 78 °F

    Areas Dense
    Fog then
    Isolated
    Showers

  • Tonight

    Tonight: Showers likely, mainly after 5am. Cloudy, with a low around 62. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Isolated
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely before 3pm, then isolated showers after 5pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 79. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 79 °F

    Showers
    Likely and
    Patchy Fog
    then Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 76. North wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Today
Isolated showers after 1pm. Areas of dense fog before 10am. Otherwise, mostly cloudy, with a high near 78. Light and variable wind. Chance of precipitation is 20%.
Tonight
Showers likely, mainly after 5am. Cloudy, with a low around 62. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely before 3pm, then isolated showers after 5pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 79. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 58. Calm wind.
Thursday
Sunny, with a high near 76. North wind 6 to 9 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hesston PA
 40.4°N 78.13°W (Elev. 817 ft)
Last Update:
3:31 am EDT May 26, 2026
Forecast Valid:
6am EDT May 26, 2026-6pm EDT Jun 1, 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