



Heat and Flood Threats for Monday
Dangerous heat will impact portions the Northwest, Northeast, and the Lower Mississippi River Valley Monday. Organized areas of monsoonal showers and thunderstorms may result in flash flooding and debris flows from the Four Corners region into the Southwest. A stalled cold front will lead to unsettled conditions from the Mississippi and Ohio River Valleys to the Northeast through Wednesday. Read More >
Washington/Reagan National Airport, DC (KDCA)
Lat: 38.85°NLon: 77.03°WElev: 13ft.
Fair
81°F
27°C
Humidity | 77% |
Wind Speed | S 9 mph |
Barometer | 30.11 in (1019.5 mb) |
Dewpoint | 73°F (23°C) |
Visibility | 10.00 mi |
Heat Index | 86°F (30°C) |
Last update | 8 Aug 12:52 am EDT |
McLean VA
-
Overnight
Partly Cloudy
Low: 75 °F
-
Monday
Sunny then
Chance
T-stormsHigh: 93 °F
-
Monday
NightChance
T-storms then
Slight Chance
ShowersLow: 75 °F
-
Tuesday
Sunny then
Chance
T-stormsHigh: 94 °F
-
Tuesday
NightChance
T-storms then
Chance
ShowersLow: 75 °F
-
Wednesday
Slight Chance
T-storms then
ShowersHigh: 90 °F
-
Wednesday
NightShowers then
Chance
T-stormsLow: 71 °F
-
Thursday
Chance
ShowersHigh: 86 °F
-
Thursday
NightMostly Clear
Low: 67 °F
Detailed Forecast
Additional Forecasts and Information
38.93°N 77.19°W (Elev. 299 ft)