Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms are possible from the Ohio Valley to the central Plains this evening, and the threat will expand into the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Alaska through this evening and for the Four Corners region through Monday. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Partly Cloudy

83°F

28°C

Humidity	33%
Wind Speed	N 10 mph
Barometer	29.93 in (1013.1 mb)
Dewpoint	51°F (11°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	21 Jun 6:52 pm EDT

More Information:

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

Extended Forecast for

2 Miles NNW Catharpin VA

Tonight
Low: 65 °F
Mostly Cloudy
Monday
High: 91 °F
Partly Sunny
then Showers
Likely
Monday Night
Low: 65 °F
Showers
Tuesday
High: 82 °F
Slight Chance
T-storms
Tuesday Night
Low: 60 °F
Mostly Clear
Wednesday
High: 85 °F
Sunny
Wednesday Night
Low: 62 °F
Mostly Clear
Thursday
High: 88 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 66 °F
Chance
T-storms

Detailed Forecast

Tonight

Mostly cloudy, with a low around 65. North wind around 6 mph becoming calm in the evening.

Monday

A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 91. Light south wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

Showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 2am. Low around 65. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

A slight chance of showers between 7am and 8am, then a slight chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 82. Northwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Tuesday Night

Mostly clear, with a low around 60. Northwest wind 5 to 8 mph.

Wednesday

Sunny, with a high near 85.

Wednesday Night

Mostly clear, with a low around 62.

Thursday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 40%.

Thursday Night

A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

Friday

A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 50%.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

Saturday

A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.

Saturday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 30%.

Sunday

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