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.

Fair

28°F

-2°C

Humidity 78%
Wind Speed Calm
Barometer 30.14 in (1022.0 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 25 Dec 11:53 pm EST
Extended Forecast for

Mapleton PA

Winter Weather Advisory December 26, 12:00pm until December 27, 07:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Increasing clouds, with a low around 25. Light north wind.

    Low: 25 °F

    Increasing
    Clouds

  • Friday

    Friday: Rain showers, freezing rain, and sleet likely before 4pm, then sleet, possibly mixed with freezing rain between 4pm and 5pm, then sleet after 5pm. The sleet could be heavy at times. High near 33. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New sleet accumulation of less than a half inch possible.

    High: 33 °F

    Cloudy then
    Wintry Mix

  • Friday Night

    Friday Night: Freezing rain and sleet, becoming all freezing rain after 10pm. Low around 29. Southeast wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 90%. New ice accumulation of around a 0.1 of an inch possible. New sleet accumulation of less than a half inch possible.

    Low: 29 °F

    Wintry Mix
    then Freezing
    Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 42. Calm wind.

    High: 42 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 1pm. Cloudy, with a high near 42. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers. Low around 37. Chance of precipitation is 80%.

    Low: 37 °F

    Showers

  • Monday

    Monday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 54. Chance of precipitation is 70%.

    High: 54 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Increasing clouds, with a low around 25. Light north wind.
Friday
Rain showers, freezing rain, and sleet likely before 4pm, then sleet, possibly mixed with freezing rain between 4pm and 5pm, then sleet after 5pm. The sleet could be heavy at times. High near 33. Light east wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New sleet accumulation of less than a half inch possible.
Friday Night
Freezing rain and sleet, becoming all freezing rain after 10pm. Low around 29. Southeast wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 90%. New ice accumulation of around a 0.1 of an inch possible. New sleet accumulation of less than a half inch possible.
Saturday
Mostly cloudy, with a high near 42. Calm wind.
Saturday Night
Mostly cloudy, with a low around 28. Calm wind.
Sunday
Showers likely, mainly after 1pm. Cloudy, with a high near 42. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers. Low around 37. Chance of precipitation is 80%.
Monday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 54. Chance of precipitation is 70%.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Mostly cloudy, with a high near 31.
Tuesday Night
Mostly cloudy, with a low around 23.
Wednesday
Partly sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 23.
New Year's Day
Mostly cloudy, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mapleton PA
 40.41°N 77.95°W (Elev. 712 ft)
Last Update:
10:06 pm EST Dec 25, 2025
Forecast Valid:
12am EST Dec 26, 2025-6pm EST Jan 1, 2026
 
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Additional Resources

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Chance of Precipitation