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Severe weather and flash flooding possible Wednesday across portions of the Mississippi and Tennessee Valleys

Strong to severe storms are expected to develop across portions of the Mid-Mississippi Valley on Wednesday. A Slight Risk has been highlighted to indicate the area most likely to see supercell activity. Heavy rainfall from the Mid-Mississippi Valley into the Tennessee Valley could lead to flash flooding. Some areas could see as much as 3 inches of rainfall.
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Current conditions at

Altoona, Altoona-Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1503ft.

Light Rain

69°F

21°C

Humidity 61%
Wind Speed W 8 mph
Barometer 29.84 in (1009.6 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 30 Jun 9:53 pm EDT

Detailed Forecast

Tonight
Mostly cloudy with scattered showers and thunderstorms. Lows in the lower 60s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.
Wednesday
Partly sunny. Scattered showers and thunderstorms... Mainly in the morning. Highs in the upper 70s. West winds 10 to 15 mph. Chance of rain 30 percent.
Wednesday Night
Mostly clear with a slight chance of showers and thunderstorms in the evening...then partly cloudy after midnight. Lows in the lower 60s. Northwest winds 5 to 10 mph. Chance of rain 20 percent.
Thursday
Mostly cloudy with a slight chance of showers in the morning...then partly sunny with a chance of showers in the afternoon. Highs in the upper 70s. North winds around 5 mph. Chance of rain 50 percent.
Thursday Night
Mostly cloudy. A chance of showers...mainly in the evening. Lows around 60. Northeast winds around 5 mph. Chance of rain 50 percent.
Friday
Partly sunny. Highs in the mid 70s.
Friday Night
Mostly cloudy with a 40 percent chance of showers. Lows in the lower 60s.
Independence Day
Partly sunny with a chance of showers and thunderstorms. Highs in the mid 70s. Chance of rain 50 percent.
Saturday Night
Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 60s. Chance of rain 50 percent.
Sunday
Partly sunny with a 40 percent chance of showers. Highs in the upper 70s.
Sunday Night
Mostly cloudy. A chance of showers in the evening. Lows in the mid 60s. Chance of rain 40 percent.
Monday
Partly sunny with a chance of showers and thunderstorms. Highs around 80. Chance of rain 40 percent.
Monday Night
Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 60s. Chance of rain 40 percent.
Tuesday
Partly sunny with a chance of showers and thunderstorms. Humid with highs in the lower 80s. Chance of rain 30 percent.
  Click Map For Detailed Forecast
805 PM EDT TUE JUN 30 2015
 
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