Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast across parts of the Upper Midwest into the Great Lakes, the Northeast, and the central High Plains. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

A Few Clouds

93°F

34°C

Humidity	54%
Wind Speed	S 10 mph
Barometer	29.97 in (1014.9 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	103°F (39°C)
Last update	1 Jul 7:52 pm EDT

More Information:

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

Extended Forecast for

Arlington VA

Extreme Heat Warning July 2, 10:00am until July 2, 08:00pm

Extreme Heat Warning July 3, 10:00am until July 3, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Tonight
Low: 78 °F
Isolated
T-storms then
Mostly Clear
Thursday
High: 102 °F
Hot
Thursday Night
Low: 80 °F
Clear
Friday
High: 103 °F
Sunny then
Slight Chance
T-storms
Friday Night
Low: 80 °F
Slight Chance
T-storms
Independence Day
High: 100 °F
Sunny then
Chance
T-storms
Saturday Night
Low: 76 °F
Chance
T-storms
Sunday
High: 97 °F
Mostly Sunny
then Showers
Likely
Sunday Night
Low: 74 °F
Showers
Likely then
Chance
T-storms

Detailed Forecast

Tonight

Isolated showers and thunderstorms before 10pm. Mostly clear, with a low around 78. South wind 3 to 5 mph. Chance of precipitation is 20%.

Thursday

Sunny and hot, with a high near 102. Heat index values as high as 109. West wind 3 to 5 mph.

Thursday Night

Clear, with a low around 80. Light southwest wind.

Friday

A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 103. Heat index values as high as 111. West wind 3 to 6 mph. Chance of precipitation is 20%.

Friday Night

A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 80. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.

Independence Day

A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 100. Chance of precipitation is 50%.

Saturday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 40%.

Sunday

Showers likely and possibly a thunderstorm after 2pm. Mostly sunny and hot, with a high near 97. Chance of precipitation is 60%.

Sunday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.

Monday

A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 93. Chance of precipitation is 50%.

Monday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.

Tuesday

A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 30%.

Tuesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.

Wednesday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 20%.