Hazardous Weather Conditions
Current conditions at
Altoona - Blair County Airport (KAOO)
Lat: 40.3°NLon: 78.32°WElev: 1467ft.
Fog
64°F
18°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.21 in (1022.0 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 0.15 mi |
| Last update | 15 Aug 6:53 am EDT |
Extended Forecast for
Mapleton PASimilar City Names
Dense Fog Advisory until August 15, 09:00am
NOW until 9:00am Sat
Dense Fog Advisory
Today
High: 83 °F
Areas Dense
Fog then
SunnyTonight
Low: 68 °F
Mostly Cloudy
then Chance
ShowersSunday

High: 77 °F
Showers
Sunday Night

Low: 70 °F
Showers
Monday

High: 82 °F
Mostly Sunny
Monday Night

Low: 62 °F
Mostly Clear
Tuesday

High: 79 °F
Sunny
Tuesday Night

Low: 61 °F
Mostly Clear
Detailed Forecast
Today
Areas of dense fog before 8am. Otherwise, mostly cloudy through mid morning, then becoming sunny, with a high near 83. Calm wind.
Tonight
A slight chance of showers between 3am and 5am, then a chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 68. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 77. Southeast wind around 7 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am. Low around 70. Southwest wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Mostly sunny, with a high near 82. Northwest wind around 8 mph.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 82.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 76.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mapleton PASimilar City Names
40.4°N 77.93°W (Elev. 988 ft)
40.4°N 77.93°W (Elev. 988 ft)
6:41 am EDT Aug 15, 2026
7am EDT Aug 15, 2026-6pm EDT Aug 21, 2026



