Areas of Severe Thunderstorms and Excessive Rainfall Today

Scattered severe thunderstorms capable of damaging wind gusts are expected across the Mid-Atlantic vicinity this afternoon and evening. Additional strong to severe storms are expected across the upper Ohio Valley and Lower Great Lakes area. Excessive rainfall from heavy thunderstorms may produce areas of flash flooding from southern New Mexico into the western and northern Gulf Coast into Tuesday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fair

78°F

26°C

Humidity	54%
Wind Speed	SW 10 mph
Barometer	29.88 in (1010.9 mb)
Dewpoint	60°F (16°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	14 Jun 10:53 am EDT

More Information:

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

Extended Forecast for

Mapleton PA

Today
High: 89 °F
Severe
Thunderstorms
Tonight
Low: 56 °F
Severe
Thunderstorms
then Mostly
Cloudy
Monday
High: 73 °F
Mostly Sunny
Monday Night
Low: 51 °F
Mostly Clear
Tuesday
High: 79 °F
Sunny
Tuesday Night
Low: 56 °F
Partly Cloudy
Wednesday
High: 83 °F
Partly Sunny
Wednesday Night
Low: 61 °F
Partly Cloudy
then Chance
Showers
Thursday
High: 87 °F
Showers
Likely

Detailed Forecast

Today

A chance of showers and thunderstorms after 2pm. Some of the storms could be severe. Cloudy, with a high near 89. Southwest wind 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms, mainly before 10pm. Some of the storms could be severe. Low around 56. Southwest wind 6 to 8 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

Mostly sunny, with a high near 73. Northwest wind around 8 mph, with gusts as high as 20 mph.

Monday Night

Mostly clear, with a low around 51. Northwest wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 79. Light southwest wind.

Tuesday Night

Partly cloudy, with a low around 56.

Wednesday

Partly sunny, with a high near 83.

Wednesday Night

A chance of showers after 2am. Partly cloudy, with a low around 61. Chance of precipitation is 40%.