
Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic
Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >
Hazardous Weather Conditions
Washington/Dulles International Airport, DC (KIAD)
Lat: 38.93°NLon: 77.45°WElev: 312ft.
Mostly Cloudy
88°F
31°C
| Humidity | 57% |
| Wind Speed | S 8 mph |
| Barometer | 29.94 in (1013.4 mb) |
| Dewpoint | 71°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 94°F (34°C) |
| Last update | 27 Aug 2:52 pm EDT |
Herndon VASimilar City Names
NOW until 10:00pm Thu

Severe T-storm Watch
This Afternoon

High: 89 °F
Severe
ThunderstormsTonight
Low: 68 °F
Severe
Thunderstorms
and Patchy
FogFriday
High: 86 °F
Patchy Fog
then Partly
SunnyFriday Night

Low: 67 °F
Mostly Cloudy
Saturday

High: 87 °F
Mostly Sunny
Saturday Night

Low: 68 °F
Mostly Clear
Sunday

High: 89 °F
Sunny
Sunday Night

Low: 70 °F
Partly Cloudy
Detailed Forecast
Additional Forecasts and Information
ABOUT THIS FORECAST
38.97°N 77.38°W (Elev. 354 ft)



