Shifting Heat Wave from Southern Plains to West; A Very Wet Few Days for East

Oppressive temperatures and dangerous heat indices will linger for another day or two across the Southern Plains/Lower MS Valley, especially TX. Meanwhile, another widespread Heat Wave is beginning across the Southwest, CA and Northwest for this week. Finally, an anomalous upper trough over the East will continue to inundate the Mid-Atlantic region with tropical heavy to excessive rainfall. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

74°F

23°C

Humidity 97%
Wind Speed SE 9 mph
Barometer 29.95 in (1014.0 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 23 Jul 8:52 am EDT
Extended Forecast for

2 Miles S Washington-Dulles International Airport VA

Flash Flood Watch July 23, 12:00pm until July 24, 04:00am
Click here for hazard details and duration
Flash Flood Watch
  • Today

    Today: Showers and possibly a thunderstorm. Some of the storms could produce heavy rain.  High near 80. Southeast wind 8 to 10 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain

    High: 80 °F

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 72. Southeast wind around 9 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Heavy Rain

    Low: 72 °F

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  High near 80. Southeast wind around 11 mph.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Heavy Rain

    High: 80 °F

  • Tuesday
    Night

    Tuesday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 72. Southeast wind 7 to 9 mph.  Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Heavy Rain

    Low: 72 °F

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm.  High near 81. South wind 7 to 9 mph.  Chance of precipitation is 90%.

    Showers

    High: 81 °F

  • Wednesday
    Night

    Wednesday Night: Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am.  Low around 70. Chance of precipitation is 80%.

    Showers

    Low: 70 °F

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 8am.  Partly sunny, with a high near 87. Chance of precipitation is 30%.

    Chance
    T-storms

    High: 87 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 69.

    Partly Cloudy

    Low: 69 °F

  • Friday

    Friday: A chance of showers and thunderstorms.  Mostly sunny, with a high near 90. Chance of precipitation is 40%.

    Chance
    T-storms

    High: 90 °F

Detailed Forecast

Today
Showers and possibly a thunderstorm. Some of the storms could produce heavy rain. High near 80. Southeast wind 8 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 72. Southeast wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 80. Southeast wind around 11 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Tuesday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 72. Southeast wind 7 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 81. South wind 7 to 9 mph. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 70. Chance of precipitation is 80%.
Thursday
A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 87. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 69.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 68.
Saturday
A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Click Map For Forecast
Point Forecast:
2 Miles S Washington-Dulles International Airport VA
 38.93°N 77.45°W (Elev. 299 ft)
7:28 am EDT Jul 23, 2018
9am EDT Jul 23, 2018-6pm EDT Jul 29, 2018
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database