Thunderstorms and Heavy Rainfall from the Plains to the Mid-Atlantic

Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota from this afternoon into the overnight, with other isolated storms producing hail or wind over the northern High Plains. In the Northern Plains into the Upper Great Lakes and Mid-Atlantic, heavy to excessive rain may bring flash and urban flooding through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Overcast

68°F

20°C

Humidity	100%
Wind Speed	NE 5 mph
Barometer	30.08 in (1017.6 mb)
Dewpoint	68°F (20°C)
Visibility	7.00 mi
Last update	7 Jul 10:53 am EDT

More Information:

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

Extended Forecast for

2 Miles N Shirleysburg PA

Flood Watch July 7, 12:00pm until July 8, 12:00am

Click here for hazard details and duration

Flood Watch

Today
High: 81 °F
Showers
Likely
Tonight
Low: 64 °F
Chance
T-storms then
Chance
Showers
Wednesday
High: 82 °F
Slight Chance
Showers then
Mostly Sunny
Wednesday Night
Low: 66 °F
Chance
Showers
Thursday
High: 86 °F
Showers
Thursday Night
Low: 66 °F
Showers then
Partly Cloudy
Friday
High: 87 °F
Partly Sunny
then Showers
Likely
Friday Night
Low: 65 °F
Showers
Likely then
Chance
Showers
Saturday
High: 84 °F
Partly Sunny
then Chance
T-storms

Detailed Forecast

Today

A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 81. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

A slight chance of showers between 8am and 9am. Partly sunny, with a high near 82. Calm wind. Chance of precipitation is 20%.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

Showers likely, then showers and possibly a thunderstorm after 11am. High near 86. Calm wind. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers and possibly a thunderstorm before 8pm. Low around 66. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.

Friday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

Saturday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

Sunday

A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 40%.

Sunday Night

Partly cloudy, with a low around 63.

Monday

Mostly sunny, with a high near 87.