Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

73°F

23°C

Humidity	90%
Wind Speed	SE 5 mph
Barometer	30.01 in (1016.0 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	14 Jun 7:52 am EDT

More Information:

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

Extended Forecast for

Herndon VA

Flood Watch June 14, 02:00pm until June 14, 11:00pm

Click here for hazard details and duration

Flood Watch

Today
High: 82 °F
Isolated
Showers then
Showers
Likely
Tonight
Low: 65 °F
Showers
Likely
Sunday
High: 71 °F
Chance
Showers then
Showers
Sunday Night
Low: 63 °F
Showers
Monday
High: 71 °F
Chance
Showers
Monday Night
Low: 65 °F
Chance
Showers
Tuesday
High: 81 °F
Cloudy then
Chance
T-storms
Tuesday Night
Low: 70 °F
Chance
T-storms
Wednesday
High: 90 °F
Mostly Cloudy
then Chance
T-storms

Detailed Forecast

Today

Isolated showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 82. Light and variable wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Showers and thunderstorms likely before 5am, then a slight chance of showers. Cloudy, with a low around 65. East wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 71. East wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Showers and possibly a thunderstorm. Low around 63. East wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Monday

A chance of showers, with thunderstorms also possible after 2pm. Cloudy, with a high near 71. Northeast wind around 6 mph. Chance of precipitation is 50%.

Monday Night

A chance of showers and thunderstorms. Cloudy, with a low around 65. Chance of precipitation is 30%.

Tuesday

A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.

Tuesday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.

Wednesday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 40%.

Wednesday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 30%.

Juneteenth

A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 50%.