Moke Impacts Hawaii; Severe Thunderstorms and Heavy Rainfall from the Great Basin to the Plains

Heavy rain from Tropical Storm Moke will begin to impact the Big Island today, risking life-threatening flooding and mudslides in windward and southeast areas. Severe thunderstorms are expected across the northern Rockies/Plains and northern Great Basin. Repeated storms and heavy rainfall may cause flash flooding from the Plains into the Lower MS Valley. Dangerous heat persists across the South. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

A Few Clouds

83°F

28°C

Humidity	36%
Wind Speed	W 10 G 22 mph
Barometer	29.87 in (1011.1 mb)
Dewpoint	53°F (12°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	23 Aug 3:52 pm EDT

More Information:

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

Extended Forecast for

Centreville VA

This Afternoon
High: 84 °F
Slight Chance
T-storms
Tonight
Low: 59 °F
Mostly Clear
Monday
High: 84 °F
Sunny
Monday Night
Low: 59 °F
Mostly Clear
Tuesday
High: 85 °F
Sunny
Tuesday Night
Low: 62 °F
Mostly Clear
Wednesday
High: 88 °F
Mostly Sunny
Wednesday Night
Low: 68 °F
Chance
Showers
Thursday
High: 88 °F
Slight Chance
T-storms then
Showers
Likely

Detailed Forecast

This Afternoon

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. West wind around 9 mph. Chance of precipitation is 20%.

Tonight

Mostly clear, with a low around 59. West wind around 5 mph becoming calm in the evening.

Monday

Sunny, with a high near 84. Calm wind becoming west 5 to 8 mph in the morning.

Monday Night

Mostly clear, with a low around 59. Northwest wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 85. Calm wind becoming northwest around 6 mph in the morning.

Tuesday Night

Mostly clear, with a low around 62.

Wednesday

Mostly sunny, with a high near 88.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.

Thursday

A slight chance of showers before 8am, then a slight chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

Friday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 20%.

Friday Night

Partly cloudy, with a low around 68.

Saturday

Mostly sunny, with a high near 86.

Saturday Night

Partly cloudy, with a low around 67.

Sunday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.