Dangerously Excessive Heat and Humidity Continues from the Midwest and Eastward

Oppressive heat and humidity will continue through Saturday from the Midwest to the East Coast. The Midwest will get a slight reprieve on Sunday as a cold front moves through the area, while excessive heat continues in the East. In addition, strong to severe storms will bring potential for damaging winds, hail, and heavy rain on Saturday. 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.

Partly Cloudy

85°F

29°C

Humidity	70%
Wind Speed	S 6 mph
Barometer	29.94 in (1013.8 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	93°F (34°C)
Last update	20 Jul 7:52 am EDT

More Information:

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

Extended Forecast for

2 Miles SSW Martin's Additions MD

Excessive Heat Watch July 21, 11:00am until July 21, 09:00pm

Excessive Heat Warning July 20, 11:00am until July 20, 09:00pm

Click here for hazard details and duration

Excessive Heat Watch

Excessive Heat Warning

Today

Hot
High: 100 °F
Tonight

Slight Chance
T-storms then
Partly Cloudy
Low: 81 °F
Sunday

Mostly Sunny
then Slight
Chance
T-storms
High: 99 °F
Sunday
Night

Chance
T-storms
Low: 78 °F
Monday

Heavy Rain
High: 90 °F
Monday
Night

Heavy Rain
Low: 69 °F
Tuesday

Showers
Likely
High: 80 °F
Tuesday
Night

Partly Cloudy
Low: 65 °F
Wednesday

Mostly Sunny
High: 83 °F

Detailed Forecast

Today

Mostly sunny and hot, with a high near 100. Heat index values as high as 109. West wind 5 to 7 mph.

Tonight

A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 81. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.

Sunday

A slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 108. West wind around 7 mph. Chance of precipitation is 20%.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 78. West wind around 6 mph becoming calm after midnight. Chance of precipitation is 40%.

Monday

Showers and thunderstorms, mainly after noon. Some of the storms could produce heavy rain. High near 90. West wind 3 to 6 mph. Chance of precipitation is 80%.

Monday Night

Showers and thunderstorms likely, mainly before midnight. Some of the storms could produce heavy rain. Cloudy, with a low around 69. Chance of precipitation is 70%.

Tuesday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.

Tuesday Night

Partly cloudy, with a low around 65.

Wednesday

Mostly sunny, with a high near 83.

Wednesday Night

Partly cloudy, with a low around 65.

Thursday

Sunny, with a high near 85.

Thursday Night

Mostly clear, with a low around 67.