Thunderstorms and Heavy Rainfall in the Mid-Atlantic; Fire Weather Concerns in the West

Thunderstorms are expected to bring heavy rain and potential significant flash and urban flooding to the Mid-Atlantic on Thursday, especially along the I-95 urban corridor. Dry conditions, gusty winds, and isolated dry thunderstorms will continue to bring a critical fire weather threat to the northwestern Great Basin into the interior Northwest through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Mostly Cloudy

86°F

30°C

Humidity	72%
Wind Speed	S 9 mph
Barometer	29.97 in (1014.8 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	96°F (36°C)
Last update	30 Jul 9:52 pm EDT

More Information:

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

Extended Forecast for

Washington DC

Flood Watch July 31, 02:00pm until August 1, 02:00am

Click here for hazard details and duration

Flood Watch

Tonight
Low: 78 °F
Mostly Clear
Thursday
High: 95 °F
Sunny then
T-storms
Likely
Thursday Night
Low: 71 °F
T-storms then
Showers
Friday
High: 79 °F
Chance
Showers then
Chance
T-storms
Friday Night
Low: 65 °F
Chance
T-storms then
Slight Chance
Showers
Saturday
High: 82 °F
Mostly Sunny
Saturday Night
Low: 63 °F
Mostly Clear
Sunday
High: 83 °F
Mostly Sunny
Sunday Night
Low: 64 °F
Partly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 78. Calm wind.

Thursday

A slight chance of showers, then showers and thunderstorms likely after 2pm. Increasing clouds, with a high near 95. Heat index values as high as 105. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday Night

Showers and thunderstorms likely before 7pm, then showers and possibly a thunderstorm between 7pm and 2am, then a chance of showers and thunderstorms after 2am. Low around 71. Southeast wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Friday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 79. North wind 6 to 10 mph. Chance of precipitation is 50%.

Friday Night

A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. North wind around 7 mph. Chance of precipitation is 30%.

Saturday

Mostly sunny, with a high near 82.

Saturday Night

Mostly clear, with a low around 63.

Sunday

Mostly sunny, with a high near 83.

Sunday Night

Partly cloudy, with a low around 64.

Monday

Mostly sunny, with a high near 84.

Monday Night

Partly cloudy, with a low around 66.