Record High Temperatures Likely Across the Mid-Atlantic; Severe Weather in the Upper Midwest and Southwest

An intense heat wave will peak across the Mid-Atlantic and I-95 Urban Corridor this weekend. Record high temperatures are likely with widespread heat indices exceeding 100 degrees. In the Midwest, severe storms capable of producing strong winds, hail, a few tornadoes and heavy rain will be possible Saturday. Additionally, strong storms will also be possible Saturday in the Four Corners region. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from June 22, 11:00 AM EDT until June 22, 08:00 PM EDT

Current conditions at

Leesburg / Godfrey (KJYO)

Lat: 39.08°NLon: 77.57°WElev: 390ft.

Fair

79°F

26°C

Humidity	74%
Wind Speed	S 3 mph
Barometer	30.12 in
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	22 Jun 12:55 am EDT

More Information:

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

Extended Forecast for

Ashburn VASimilar City Names

Heat Advisory June 22, 11:00am until June 22, 08:00pm

Click here for hazard details and duration

Heat Advisory

Overnight
Low: 72 °F
Mostly Clear
Saturday
High: 100 °F
Hot
Saturday Night
Low: 76 °F
Partly Cloudy
Sunday
High: 96 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 73 °F
Showers
Likely
Monday
High: 91 °F
Chance
Showers then
Slight Chance
T-storms
Monday Night
Low: 68 °F
Mostly Clear
Tuesday
High: 92 °F
Sunny
Tuesday Night
Low: 71 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly clear, with a low around 72. South wind 3 to 5 mph.

Saturday

Sunny and hot, with a high near 100. Heat index values as high as 107. Southwest wind 3 to 5 mph.

Saturday Night

Partly cloudy, with a low around 76. South wind around 6 mph.

Sunday

A chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 96. Heat index values as high as 104. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.

Sunday Night

A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 73. Southwest wind 5 to 7 mph. Chance of precipitation is 60%.

Monday

A chance of showers and thunderstorms, mainly before 8am. Mostly sunny, with a high near 91. Chance of precipitation is 30%.

Monday Night

Mostly clear, with a low around 68.

Tuesday

Sunny, with a high near 92.

Tuesday Night

Partly cloudy, with a low around 71.

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. Mostly cloudy, with a low around 72. Chance of precipitation is 50%.