Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather from the Southern Plains to the Great Lakes

Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. 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.

Partly Cloudy

86°F

30°C

Humidity	35%
Wind Speed	S 16 G 23 mph
Barometer	29.92 in (1013.0 mb)
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	14 Apr 4:52 pm EDT

More Information:

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

Extended Forecast for

2 Miles NNW Great Falls VA

This Afternoon
High: 88 °F
Isolated
T-storms
Tonight
Low: 66 °F
Isolated
T-storms then
Mostly Clear
Wednesday
High: 92 °F
Sunny
Wednesday Night
Low: 70 °F
Mostly Cloudy
Thursday
High: 91 °F
Partly Sunny
Thursday Night
Low: 69 °F
Chance
Showers
Friday
High: 85 °F
Chance
Showers
Friday Night
Low: 61 °F
Mostly Clear
Saturday
High: 89 °F
Sunny

Detailed Forecast

This Afternoon

Isolated showers and thunderstorms. Partly sunny, with a high near 88. Southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

Tonight

Isolated showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 66. Southwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 20%.

Wednesday

Sunny, with a high near 92. Calm wind becoming southwest 5 to 7 mph in the morning.

Wednesday Night

Mostly cloudy, with a low around 70. Southwest wind 3 to 6 mph.

Thursday

Partly sunny, with a high near 91. Calm wind becoming southwest 5 to 8 mph in the afternoon.

Thursday Night

A chance of showers, mainly after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

Friday

A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 30%.

Friday Night

Mostly clear, with a low around 61.