Dangerous, Record-Breaking Heat to Continue in the Central and Eastern U.S.; Severe Thunderstorms in the Upper Midwest; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will continue across most of the central and eastern U.S this week. Heat indices will exceed 100 degrees. Severe storms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians Thursday, with the primary threat large to very large hail. Critical fire weather to continue in the Four Corners Region Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

85°F

29°C

Humidity	75%
Wind Speed	SW 3 mph
Barometer	30.02 in (1016.3 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	95°F (35°C)
Last update	1 Jul 11:52 pm EDT

More Information:

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

Extended Forecast for

2 Miles ENE Arcola 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

Overnight
Low: 75 °F
Clear
Thursday
High: 101 °F
Hot
Thursday Night
Low: 76 °F
Clear
Friday
High: 102 °F
Sunny then
Slight Chance
T-storms
Friday Night
Low: 76 °F
Slight Chance
T-storms
Independence Day
High: 99 °F
Sunny then
Chance
T-storms
Saturday Night
Low: 73 °F
Chance
T-storms
Sunday
High: 96 °F
Mostly Sunny
then Showers
Likely
Sunday Night
Low: 71 °F
Showers
Likely then
Chance
T-storms

Detailed Forecast

Overnight

Clear, with a low around 75. Calm wind.

Thursday

Sunny and hot, with a high near 101. Heat index values as high as 108. Calm wind becoming north around 5 mph in the afternoon.

Thursday Night

Clear, with a low around 76. Calm wind.

Friday

A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 102. Heat index values as high as 111. Calm wind becoming northwest around 6 mph in the morning. Chance of precipitation is 20%.

Friday Night

A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76. 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 99. Chance of precipitation is 50%.

Saturday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.

Sunday

Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 96. Chance of precipitation is 70%.

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 71. Chance of precipitation is 60%.

Monday

A slight chance of showers before 8am, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 60%.

Monday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

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 68. Chance of precipitation is 30%.

Wednesday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 20%.