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Short-term forecast Issued by the National Weather Service at 10:26 PM EDT on May 15, 2008 Expect periods of rain to continue through 300 am. The heaviest amounts will fall from Washington DC southward. 1/2 to 3/4 of an inch is possible in this area through 300 am. High standing water on roads and some small stream overflows can be anticipated due to moist soil conditions. 5-day forecast
Forecast
As of 8:50 PM EDT on May 15, 2008 Overnight...Rain. Rain may be heavy at times. Lows in the upper 50s. Northeast winds 10 to 15 mph. Chance of rain near 100 percent. Friday...Rain in the morning...then rain likely in the afternoon. Highs in the lower 60s. Northeast winds 10 to 15 mph. Chance of rain 90 percent. Friday Night...Mostly cloudy with a chance of rain in the evening... then partly cloudy after midnight. Lows around 50. Northwest winds 10 to 15 mph. Chance of rain 30 percent.
Almanac Key: T = Trace of precipitation; MM = data not available
Areal Flood Watch Issued by the National Weather Service at 3:05 PM EDT on May 15, 2008 ... Flood Watch now in effect from midnight EDT tonight through Friday morning... The Flood Watch is now in effect for * portions of Maryland... the District of Columbia and northern Virginia... including the following areas... in Maryland... Charles... Montgomery and Prince Georges. The District of Columbia. In northern Virginia... Arlington/Falls Church/Alexandria... Fairfax... Loudoun... Prince William/Manassas/Manassas Park and Stafford. * From midnight EDT tonight through Friday morning Low pressure over the Tennessee Valley will track northeast this evening. Steady rain from this system is expected to begin across the Washington Baltimore corridor around midnight. The period of heaviest rain is expected to occur between 2 am and 8 am. Rainfall from this system will be nowhere near as heavy as from the storms that impacted the DC area Sunday night and Monday morning. However... because of recent heavy rains it will not require much in the way of additional precipitation to cause flooding. Across the watch area... 1 to 2 inches of rainfall is expected. A Flood Watch means there is a potential for flooding based on current forecasts. You should monitor later forecasts and be alert for possible flood warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. Back to top
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