Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains

A slow moving front will bring rounds of strong to severe thunderstorms and heavy rainfall to the central Plains eastward to the east-central U.S.. The first widespread significant heat wave of summer for the Intermountain West and Plains is expected to develop today and expand through next week. Dangerous heat will continue to impact portions of the Southwest and Southeast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Mostly Cloudy

86°F

30°C

Humidity	63%
Wind Speed	NE 3 mph
Barometer	29.86 in (1011.2 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	92°F (33°C)
Last update	10 Jul 5:52 pm EDT

More Information:

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

Extended Forecast for

Arlington VA

Tonight
Low: 71 °F
Isolated
T-storms then
Mostly Cloudy
Saturday
High: 85 °F
Showers
Likely
Saturday Night
Low: 68 °F
Showers
Likely then
Mostly Cloudy
Sunday
High: 84 °F
Partly Sunny
Sunday Night
Low: 67 °F
Mostly Cloudy
Monday
High: 84 °F
Mostly Sunny
Monday Night
Low: 66 °F
Mostly Clear
Tuesday
High: 90 °F
Sunny
Tuesday Night
Low: 72 °F
Clear

Detailed Forecast

Tonight

Isolated showers and thunderstorms before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 71. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.

Saturday

A chance of showers before 11am, then scattered showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 85. North wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm. Mostly cloudy, with a low around 68. Light northeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

Partly sunny, with a high near 84. East wind 5 to 7 mph.

Sunday Night

Mostly cloudy, with a low around 67. Southeast wind around 5 mph becoming calm after midnight.

Monday

Mostly sunny, with a high near 84.

Monday Night

Mostly clear, with a low around 66.

Tuesday

Sunny, with a high near 90.

Tuesday Night

Clear, with a low around 72.