Sterling, VA (20164)

8:56 AM EDT on July 28, 2017 (GMT -0400)
Crestbrook | | Change Station
Active Advisory: Flash Flood Watch Active Notice: Flash Flood Watch

Elev 282 ft 39.00 °N, 77.37 °W | Updated 7 seconds ago

Overcast
Overcast
73.8 °F
Feels Like 73.8 °F
N
0.0
Wind Variable Wind from East
Gusts 0.0 mph

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
Pressure 29.83 in
Visibility 10.0 miles
Clouds Mostly Cloudy 1000 ft
Mostly Cloudy 8000 ft
Overcast 9500 ft
Dew Point 74 °F
Humidity 99%
Rainfall 0.22 in
Snow Depth Not available.
6:06 AM 8:24 PM
Waxing Crescent, 30% visible
METAR KIAD 281252Z 33006KT 10SM BKN010 BKN080 OVC095 24/21 A2984 RMK AO2 SLP102 T02390206
Pressure 29.83 in
Visibility 10.0 miles
Clouds Mostly Cloudy 1000 ft
Mostly Cloudy 8000 ft
Overcast 9500 ft
Dew Point 74 °F
Humidity 99%
Rainfall 0.22 in
Snow Depth Not available.
6:06 AM 8:24 PM
Waxing Crescent, 30% visible
METAR KIAD 281252Z 33006KT 10SM BKN010 BKN080 OVC095 24/21 A2984 RMK AO2 SLP102 T02390206

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10-Day Weather Forecast

Almanac

Astronomy

Jul. 28, 2017 Rise Set
Actual Time
Civil Twilight
Nautical Twilight
Astronomical Twilight
Moon
Length of Visible Light
Length of Day
Tomorrow will be .
, % of the Moon is Illuminated

Today's Extremes

State Highs State Lows

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Nearby

Air Quality

  Air Quality AQ Index Pollutant
Not available.

Snow Depth

Station Depth Elevation

Earthquake Activity

City Distance Mag. Time & Date
Minimum magnitude displayed is 2.5.

Coastal Water Temperatures

Place Temperature

Stations

Nearby Weather Stations

Station Location Temp. Windchill Dew Point Humidity Wind Precip. Elev Updated Type
                   

Watches & Warnings

Flash Flood Watch
Issued: 3:50 AM EDT Jul. 28, 2017 – National Weather Service

... Flash Flood Watch remains in effect from 2 PM EDT this
afternoon through Saturday afternoon...

The Flash Flood Watch continues for

* portions of Maryland, the District of Columbia, Virginia, and
West Virginia, including the following areas, in Maryland,
Anne Arundel, Calvert, Carroll, central and eastern Allegany,
central and southeast Howard, central and southeast
Montgomery, Charles, extreme western Allegany, Frederick MD,
northern Baltimore, northwest Harford, northwest Howard,
northwest Montgomery, Prince Georges, southeast Harford,
southern Baltimore, St. Marys, and Washington. The District of
Columbia. In Virginia, Arlington/Falls Church/Alexandria,
Clarke, Culpeper, eastern Loudoun, Fairfax, Frederick VA, King
George, northern Fauquier, northern Virginia Blue Ridge, Page,
Prince William/Manassas/Manassas Park, Rappahannock,
Shenandoah, southern Fauquier, Stafford, Warren, and western
Loudoun. In West Virginia, Berkeley, eastern Grant, eastern
Mineral, Hampshire, Hardy, Jefferson, Morgan, western Grant,
and western Mineral.

* From 2 PM EDT this afternoon through Saturday afternoon

* low pressure will develop over the mid Atlantic today and move
slowly off the coast through Saturday. This system will have
the potential to bring 3 inches or more of rain to the region
through Saturday afternoon. Thunderstorms could cause locally
higher rainfall amounts.

* Heavy rainfall may result in rapid rises in streams and
creeks. This could quickly result in flooding... especially in
low lying and poor drainage areas.

Precautionary/preparedness actions...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.

You should monitor later forecasts and be prepared to take action
should flash flood warnings be issued.