Cold Front to Bring Cooling and Heavy Rain in the East; Building Heat and Monsoon in the West

A slow moving cold front will bring temperatures back to near normal early this week in the East. Strong to severe storms ahead of the front may produce damaging winds and heavy rain that could cause flash flooding. Strengthening high pressure in the West will produce surging monsoon moisture with potential for flash flooding. Heat may become excessive in the Desert Southwest this week. Read More >

Hazardous Weather Conditions

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Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Mostly Cloudy

85°F

29°C

Humidity	61%
Wind Speed	NW 8 mph
Barometer	29.77 in (1008.0 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	90°F (32°C)
Last update	22 Jul 5:52 pm EDT

More Information:

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

Extended Forecast for

Washington DC

Flash Flood Watch until July 23, 06:00am

Severe T-storm Watch until July 22, 10:00pm

Click here for hazard details and duration

Flash Flood Watch

...

Flash Flood Watch until July 23, 06:00am
Severe T-storm Watch until July 22, 10:00pm

NOW: Multiple
hazards in effect

Click HERE for Details
Tonight

Severe
Thunderstorms
Low: 69 °F
Tuesday

Showers then
Mostly Cloudy
High: 79 °F
Tuesday
Night

Mostly Cloudy
Low: 67 °F
Wednesday

Mostly Sunny
High: 84 °F
Wednesday
Night

Partly Cloudy
Low: 66 °F
Thursday

Sunny
High: 85 °F
Thursday
Night

Mostly Clear
Low: 65 °F
Friday

Sunny
High: 87 °F

Detailed Forecast

Tonight

Showers and thunderstorms, mainly before midnight, then periods of showers and possibly a thunderstorm after midnight. Some storms could be severe, with damaging winds, heavy rain, and frequent lightning. Low around 69. West wind 6 to 9 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Tuesday

Showers and possibly a thunderstorm, mainly before noon. High near 79. Northwest wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Mostly cloudy, with a low around 67. North wind 3 to 5 mph.

Wednesday

Mostly sunny, with a high near 84. North wind 5 to 8 mph.

Wednesday Night

Partly cloudy, with a low around 66. Light north wind.

Thursday

Sunny, with a high near 85.

Thursday Night

Mostly clear, with a low around 65.

Friday

Sunny, with a high near 87.