Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.
Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >
Current conditions at
Washington/Dulles International Airport, DC (KIAD)
Lat: 38.93°NLon: 77.45°WElev: 312ft.
Mostly Cloudy
72°F
22°C
| Humidity | 68% |
| Wind Speed | S 8 mph |
| Barometer | 30.11 in (1019.3 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 19 May 5:52 am EDT |
Extended Forecast for
Sterling VA
Today
High: 98 °F
Hot
Tonight
Low: 71 °F
Partly Cloudy
Wednesday
High: 95 °F
Sunny then
Showers
LikelyWednesday Night
Low: 58 °F
Showers
Thursday
High: 67 °F
Showers
LikelyThursday Night
Low: 53 °F
Showers
LikelyFriday
High: 63 °F
Showers
Friday Night
Low: 52 °F
Showers
Saturday
High: 71 °F
Showers
Likely
Detailed Forecast
Today
Mostly sunny and hot, with a high near 98. Southwest wind 5 to 8 mph becoming west in the morning.
Tonight
Partly cloudy, with a low around 71. South wind around 7 mph.
Wednesday
Showers likely and possibly a thunderstorm, mainly after 2pm. Increasing clouds, with a high near 95. Light southwest wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm. Low around 58. North wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 67. North wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Friday
Showers, with thunderstorms also possible after 2pm. High near 63. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm. Low around 52. Chance of precipitation is 80%.
Saturday
Showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Saturday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Memorial Day
A chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Sterling VA
38.99°N 77.41°W (Elev. 325 ft)
38.99°N 77.41°W (Elev. 325 ft)
4:53 am EDT May 19, 2026
6am EDT May 19, 2026-6pm EDT May 25, 2026
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