Severe Weather in the Northeast; Intense Heat in the Mid-Atlantic and Portions of the West

Severe thunderstorms and heavy rainfall are likely across portions of the Northeast. An intense heat wave will continue across the Mid-Atlantic, where record high temperatures are likely. In the West, triple-digit high temperatures are possible in central and southern California, Arizona, and Utah. Monsoon-like conditions may produce isolated flash flooding in the Four Corners region. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from June 23, 11:00 AM EDT until June 23, 07:00 PM EDT

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Partly Cloudy

83°F

28°C

Humidity	55%
Wind Speed	S 8 mph
Barometer	29.88 in (1011.5 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	23 Jun 1:52 am EDT

More Information:

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

Extended Forecast for

2 Miles SE Washington-Dulles International Airport VA

Heat Advisory June 23, 11:00am until June 23, 07:00pm

Click here for hazard details and duration

Heat Advisory

Overnight
Low: 78 °F
Partly Cloudy
Sunday
High: 98 °F
Mostly Sunny
then
Scattered
T-storms
Sunday Night
Low: 73 °F
Scattered
T-storms
Monday
High: 89 °F
Slight Chance
Showers then
Slight Chance
T-storms
Monday Night
Low: 65 °F
Mostly Clear
Tuesday
High: 91 °F
Sunny
Tuesday Night
Low: 70 °F
Partly Cloudy
Wednesday
High: 98 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 72 °F
Showers
Likely

Detailed Forecast

Overnight

Partly cloudy, with a low around 78. South wind around 8 mph.

Sunday

Scattered showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 98. Heat index values as high as 105. Southwest wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

Sunday Night

Scattered showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Southwest wind 7 to 10 mph. Chance of precipitation is 40%.

Monday

A slight chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 89. Northwest wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Monday Night

Mostly clear, with a low around 65. Northwest wind 5 to 10 mph.

Tuesday

Sunny, with a high near 91.

Tuesday Night

Partly cloudy, with a low around 70.

Wednesday

A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 98. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

Thursday

A chance of showers after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.

Thursday Night

A chance of showers. Mostly clear, with a low around 67. Chance of precipitation is 30%.

Friday

Sunny, with a high near 91.

Friday Night

Partly cloudy, with a low around 70.

Saturday

Mostly sunny, with a high near 94.