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.

A Few Clouds

75°F

24°C

Humidity	84%
Wind Speed	E 3 mph
Barometer	30.04 in (1016.3 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	7 Jul 7:53 pm EDT

More Information:

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

Extended Forecast for

3 Miles SSE Mapleton PA

Flood Watch until July 8, 12:00am

Click here for hazard details and duration

Flood Watch

Flood Watch until July 8, 12:00am
NOW until 12:00am Wed
Flood Watch
Tonight
Low: 64 °F
Chance
Showers
Wednesday
High: 75 °F
Chance
Showers then
Partly Sunny
Wednesday Night
Low: 65 °F
Mostly Cloudy
Thursday
High: 82 °F
Chance
T-storms then
Showers
Thursday Night
Low: 65 °F
Showers then
Mostly Clear
Friday
High: 82 °F
Chance
Showers then
Showers
Likely
Friday Night
Low: 65 °F
Showers
Likely
Saturday
High: 80 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

Tonight

A chance of showers, mainly before 3am. Mostly cloudy, with a low around 64. Light east wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

A chance of showers before 11am, then a slight chance of showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 75. Light southeast wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

Mostly cloudy, with a low around 65. South wind around 6 mph.

Thursday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 82. Southwest wind around 5 mph becoming calm in the morning. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers before 8pm. Low around 65. Southwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Friday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

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

Saturday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.

Saturday Night

A chance of thunderstorms before 8pm. Partly cloudy, with a low around 61. Chance of precipitation is 30%.

Sunday

A chance of showers after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 30%.

Sunday Night

A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

Monday

Mostly sunny, with a high near 83.