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

Hazardous Weather Outlook

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Light Rain Fog/Mist

66°F

19°C

Humidity	96%
Wind Speed	E 8 mph
Barometer	30.06 in (1017.6 mb)
Dewpoint	65°F (18°C)
Visibility	1.25 mi
Last update	15 Jun 5:52 am EDT

More Information:

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

Extended Forecast for

Herndon VASimilar City Names

Today
High: 72 °F
Slight Chance
Showers then
Showers
Likely
Tonight
Low: 63 °F
Showers then
Chance
Showers
Monday
High: 72 °F
Chance
Showers
Monday Night
Low: 65 °F
Chance
Showers
Tuesday
High: 80 °F
Slight Chance
Showers then
Showers
Likely
Tuesday Night
Low: 70 °F
Showers
Likely
Wednesday
High: 91 °F
Partly Sunny
then Chance
T-storms
Wednesday Night
Low: 73 °F
Chance
T-storms then
Partly Cloudy
Juneteenth
High: 92 °F
Mostly Sunny
then Chance
T-storms

Detailed Forecast

Today

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Cloudy, with a high near 72. East wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Low around 63. East wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

A chance of showers, with thunderstorms also possible after 2pm. Cloudy, with a high near 72. Northeast wind around 7 mph. Chance of precipitation is 50%.

Monday Night

A chance of showers and thunderstorms. Cloudy, with a low around 65. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Tuesday

A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Cloudy, with a high near 80. South wind around 6 mph. Chance of precipitation is 60%.

Tuesday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

Wednesday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. 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 after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 50%.

Thursday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. Chance of precipitation is 30%.

Friday

Sunny, with a high near 86.

Friday Night

Mostly clear, with a low around 65.