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See Information about the Tornadoes of 14 June 2026

Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fog/Mist

56°F

13°C

Humidity	97%
Wind Speed	Calm
Barometer	29.93 in (1013.0 mb)
Dewpoint	55°F (13°C)
Visibility	6.00 mi
Last update	21 Jun 4:53 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Mapleton PA

Dense Fog Advisory until June 21, 08:00am

Click here for hazard details and duration

Dense Fog Advisory

Dense Fog Advisory until June 21, 08:00am
NOW until 8:00am Sun
Dense Fog Advisory
Overnight
Low: 57 °F
Partly Cloudy
Sunday
High: 79 °F
Mostly Sunny
Sunday Night
Low: 60 °F
Mostly Cloudy
then Chance
Rain
Monday
High: 75 °F
Heavy Rain
Monday Night
Low: 60 °F
Showers
Tuesday
High: 78 °F
Chance
Showers then
Mostly Sunny
Tuesday Night
Low: 56 °F
Mostly Clear
Wednesday
High: 81 °F
Sunny

Detailed Forecast

Overnight

Partly cloudy, with a low around 57. Light west wind.

Sunday

Mostly sunny, with a high near 79. Northwest wind 5 to 7 mph.

Sunday Night

A chance of rain, mainly after 4am. Increasing clouds, with a low around 60. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Monday

Rain likely, then periods of rain and possibly a thunderstorm after noon. Some of the storms could produce heavy rainfall. High near 75. Light and variable wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night

Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 60. Southwest wind around 5 mph becoming light and variable. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday

A chance of showers before 8am. Partly sunny, with a high near 78. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday Night

Mostly clear, with a low around 56.

Wednesday

Sunny, with a high near 81.

Wednesday Night

Mostly clear, with a low around 59.

Thursday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 50%.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.

Friday

A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%.