Flash Flooding Likely into Tonight for Portions of Kansas and Missouri; Heat Wave Expands to the East Coast; Tropical Storm Krosa Forms Near the Marianas.

Flash flooding likely in northeast Kansas & Missouri into tonight. Widespread extreme heat will develop and persist across much of the Southeast this weekend & next week. Tropical Storm Krosa has formed and will continue to cause heavy rain across Guam & the CNMI through Saturday. Severe storms with flooding rains expected into tonight for portions of the Midwest. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from July 25, 11:00 AM EDT until July 25, 08:00 PM EDT

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

A Few Clouds

76°F

24°C

Humidity	85%
Wind Speed	S 7 mph
Barometer	30.04 in (1017.3 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	77°F (25°C)
Last update	25 Jul 3:52 am EDT

More Information:

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

Extended Forecast for

Washington DC

Heat Advisory July 25, 11:00am until July 25, 08:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 99 °F
Hot
Tonight
Low: 78 °F
Partly Cloudy
Saturday
High: 94 °F
Mostly Sunny
then Chance
T-storms
Saturday Night
Low: 75 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 92 °F
Chance
Showers then
Showers
Likely
Sunday Night
Low: 76 °F
Showers
Likely then
Chance
Showers
Monday
High: 94 °F
Mostly Sunny
Monday Night
Low: 76 °F
Mostly Clear
Tuesday
High: 97 °F
Hot

Detailed Forecast

Today

Increasing clouds and hot, with a high near 99. Heat index values as high as 109. Calm wind becoming west 5 to 7 mph in the morning.

Tonight

Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm in the evening.

Saturday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 94. Heat index values as high as 100. Light and variable wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Light southeast wind. Chance of precipitation is 50%.

Sunday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 92. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 70%.

Sunday Night

Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.

Monday

Mostly sunny, with a high near 94.

Monday Night

Mostly clear, with a low around 76.

Tuesday

Mostly sunny and hot, with a high near 97.

Tuesday Night

Mostly clear, with a low around 75.

Wednesday

Mostly sunny and hot, with a high near 97.

Wednesday Night

Partly cloudy, with a low around 73.