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

Hurricane Isaias to Approach the Northern Gulf Coast on Friday

Isaias is expected to approach the northern Gulf Coast as a strong hurricane on Friday, bringing life-threatening storm surge, damaging winds, heavy rain, and severe thunderstorms across the region and Southeast into the weekend, with risks of flooding and tornadoes. Read More >

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fair

68°F

20°C

Humidity 33%
Wind Speed NW 15 G 22 mph
Barometer 30.00 in (1015.1 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 8 Oct 4:53 pm EDT
Extended Forecast for

Marklesburg PA

  • Tonight

    Tonight: Mostly clear, with a low around 44. West wind around 6 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69. West wind 3 to 6 mph.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 70. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 70 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A chance of rain after 2am. Mostly cloudy, with a low around 54. Southeast wind 3 to 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain, mainly after 8am. High near 62. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 62 °F

    Rain

  • Sunday Night

    Sunday Night: Showers likely, mainly before 2am. Cloudy, with a low around 59. Chance of precipitation is 70%.

    Low: 59 °F

    Showers
    Likely

  • Columbus Day

    Columbus Day: A chance of showers before 8am. Mostly cloudy, with a high near 71. Chance of precipitation is 30%.

    High: 71 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 44. West wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 69. West wind 3 to 6 mph.
Friday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 45. Calm wind.
Saturday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 70. Calm wind becoming southeast around 6 mph in the afternoon.
Saturday Night
A chance of rain after 2am. Mostly cloudy, with a low around 54. Southeast wind 3 to 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain, mainly after 8am. High near 62. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely, mainly before 2am. Cloudy, with a low around 59. Chance of precipitation is 70%.
Columbus Day
A chance of showers before 8am. Mostly cloudy, with a high near 71. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 73.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marklesburg PA
 40.38°N 78.19°W (Elev. 1483 ft)
Last Update:
2:21 pm EDT Oct 8, 2026
Forecast Valid:
5pm EDT Oct 8, 2026-6pm EDT Oct 15, 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