Severe Thunderstorms in the High Plains; Heavy Rainfall in the Mid-Atlantic

An Enhanced Risk (level 3 of 5) of severe thunderstorms is forecast across portions of the Central High Plains this afternoon. Severe wind gusts up to 70 mph and large hail will be possible. While PTC Eight has dissipated, additional heavy to excessive rainfall will be possible today across the Mid-Atlantic, especially in southeastern Virginia. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Light Rain

71°F

22°C

Humidity	90%
Wind Speed	E 7 mph
Barometer	30.08 in (1018.5 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	17 Sep 6:52 pm EDT

More Information:

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

Extended Forecast for

3 Miles ESE Chantilly VA

Tonight
Low: 67 °F
Rain and
Patchy Fog
Wednesday
High: 73 °F
Showers and
Patchy Fog
Wednesday Night
Low: 62 °F
Scattered
Showers and
Patchy Fog
Thursday
High: 78 °F
Slight Chance
Showers
Thursday Night
Low: 58 °F
Slight Chance
Showers
Friday
High: 81 °F
Sunny
Friday Night
Low: 61 °F
Partly Cloudy
Saturday
High: 79 °F
Mostly Sunny
Saturday Night
Low: 59 °F
Partly Cloudy

Detailed Forecast

Tonight

Rain, with thunderstorms also possible after 11pm. Patchy fog after 8pm. Low around 67. Northeast wind 6 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

Rain and possibly a thunderstorm before noon, then showers and possibly a thunderstorm, mainly after noon. Patchy fog before 2pm. High near 73. Northeast wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Scattered showers and thunderstorms. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 62. North wind 8 to 10 mph. Chance of precipitation is 40%.

Thursday

A slight chance of showers before 2pm. Partly sunny, with a high near 78. North wind around 9 mph. Chance of precipitation is 20%.

Thursday Night

A slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 58. Northwest wind 6 to 9 mph. Chance of precipitation is 20%.

Friday

Sunny, with a high near 81.

Friday Night

Partly cloudy, with a low around 61.

Saturday

Mostly sunny, with a high near 79.

Saturday Night

Partly cloudy, with a low around 59.