Fire Weather Concerns West; Thunderstorms in the Upper Midwest

Dry and breezy conditions will enhance fire weather concerns across portions of the northern and central High Plains through Saturday, where fuels remain largely receptive. Severe thunderstorms are possible across portions of central Nebraska to the Upper Midwest this Friday afternoon into tonight. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

72°F

22°C

Humidity	91%
Wind Speed	NW 7 mph
Barometer	29.97 in (1014.3 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	11 Sep 4:52 am EDT

More Information:

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

Extended Forecast for

Herndon VA

Overnight
Low: 69 °F
Showers
Likely
Friday
High: 81 °F
Showers
Likely then
Mostly Cloudy
Friday Night
Low: 66 °F
Mostly Cloudy
then Chance
Showers
Saturday
High: 82 °F
Chance
Showers then
Showers
Likely
Saturday Night
Low: 68 °F
Showers
Sunday
High: 85 °F
Chance
Showers then
Mostly Sunny
Sunday Night
Low: 67 °F
Mostly Clear
Monday
High: 82 °F
Mostly Sunny
Monday Night
Low: 60 °F
Partly Cloudy

Detailed Forecast

Overnight

Showers likely. Mostly cloudy, with a low around 69. Northwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Friday

Showers likely, mainly before 11am. Mostly cloudy, with a high near 81. North wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

A chance of showers after 3am. Mostly cloudy, with a low around 66. Light east wind. Chance of precipitation is 30%.

Saturday

A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 82. Southeast wind 3 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

A chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 2am, then a chance of showers after 2am. Low around 68. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.

Sunday

A chance of showers before 8am. Mostly sunny, with a high near 85. Chance of precipitation is 30%.

Sunday Night

Mostly clear, with a low around 67.

Monday

Mostly sunny, with a high near 82.

Monday Night

Partly cloudy, with a low around 60.

Tuesday

Sunny, with a high near 83.

Tuesday Night

Mostly clear, with a low around 63.