Heat And Possible Flooding To Start Off The Week

Dangerous heat will impact portions of the Northwest, Northeast, and Mid to Lower Mississippi Valley today. Heat advisories are in effect for these major metro areas: Boston, New York City, Philadelphia, Seattle and St. Louis. A few flash flood concerns today from heavy rain and storms in the Four Corners region, northern New England and the western Ohio Valley into the Mid Mississippi Valley. Read More >

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Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Partly Cloudy

84°F

29°C

Humidity	74%
Wind Speed	S 9 mph
Barometer	29.97 in (1014.9 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	92°F (33°C)
Last update	8 Aug 9:52 pm EDT

More Information:

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

Extended Forecast for

Washington DC

Tonight

Partly Cloudy
Low: 78 °F
Tuesday

Mostly Sunny
High: 96 °F
Tuesday
Night

Scattered
T-storms
Low: 75 °F
Wednesday

Slight Chance
Showers then
Showers
Likely
High: 92 °F
Wednesday
Night

Showers
Likely then
Chance
T-storms
Low: 72 °F
Thursday

Chance
Showers
High: 87 °F
Thursday
Night

Mostly Clear
Low: 67 °F
Friday

Sunny
High: 81 °F
Friday
Night

Clear
Low: 62 °F

Detailed Forecast

Tonight

Partly cloudy, with a low around 78. Southwest wind around 6 mph.

Tuesday

Mostly sunny, with a high near 96. Heat index values as high as 102. Light southwest wind increasing to 5 to 9 mph in the morning.

Tuesday Night

Scattered showers and thunderstorms before 3am, then isolated showers between 3am and 4am. Partly cloudy, with a low around 75. Southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%.

Wednesday

A slight chance of showers before noon, then a slight chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly sunny, with a high near 92. Heat index values as high as 102. Light northwest wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms after 9pm. Mostly cloudy, with a low around 72. Light west wind. Chance of precipitation is 70%.

Thursday

A chance of showers and thunderstorms before 9am, then a slight chance of showers. Partly sunny, with a high near 87. Chance of precipitation is 30%.

Thursday Night

Mostly clear, with a low around 67.

Friday

Sunny, with a high near 81.

Friday Night

Clear, with a low around 62.

Saturday

Sunny, with a high near 81.

Saturday Night

Mostly clear, with a low around 61.