Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. 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 Fog/Mist

77°F

25°C

Humidity	90%
Wind Speed	S 6 mph
Barometer	29.85 in (1010.6 mb)
Dewpoint	74°F (23°C)
Visibility	3.00 mi
Heat Index	78°F (26°C)
Last update	2 Aug 11:52 am EDT

More Information:

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

Extended Forecast for

Washington-Dulles International Airport VA

This Afternoon
High: 84 °F
Showers
Likely
Tonight
Low: 71 °F
Showers
Monday
High: 85 °F
Slight Chance
Showers then
Chance
T-storms
Monday Night
Low: 66 °F
Chance
T-storms then
Slight Chance
Showers
Tuesday
High: 85 °F
Partly Sunny
Tuesday Night
Low: 68 °F
Slight Chance
Showers
Wednesday
High: 87 °F
Partly Sunny
then Chance
T-storms
Wednesday Night
Low: 71 °F
Chance
T-storms then
Mostly Cloudy
Thursday
High: 89 °F
Mostly Sunny
then Chance
T-storms

Detailed Forecast

This Afternoon

Showers likely, with thunderstorms also possible after 2pm. Cloudy, with a high near 84. Southeast wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Showers and thunderstorms, mainly before 2am, then a slight chance of thunderstorms after 4am. Low around 71. Southeast wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Monday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 85. Southwest wind 5 to 7 mph becoming northwest in the afternoon. Chance of precipitation is 50%.

Monday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 66. Light north wind. Chance of precipitation is 30%.

Tuesday

Partly sunny, with a high near 85. North wind around 6 mph.

Tuesday Night

A slight chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 20%.

Wednesday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.

Thursday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.

Thursday Night

A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. Chance of precipitation is 30%.