Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fog/Mist

60°F

16°C

Humidity	90%
Wind Speed	NW 12 mph
Barometer	29.85 in (1010.6 mb)
Dewpoint	57°F (14°C)
Visibility	6.00 mi
Last update	12 Oct 6:52 am EDT

More Information:

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

Extended Forecast for

Herndon VA

Columbus Day
High: 74 °F
Slight Chance
Showers then
Partly Sunny
Tonight
Low: 55 °F
Mostly Clear
Tuesday
High: 80 °F
Patchy Fog
then Sunny
Tuesday Night
Low: 62 °F
Clear
Wednesday
High: 84 °F
Sunny
Wednesday Night
Low: 63 °F
Slight Chance
Showers
Thursday
High: 70 °F
Chance
Showers
Thursday Night
Low: 60 °F
Chance
Showers
Friday
High: 77 °F
Chance
Showers

Detailed Forecast

Columbus Day

A slight chance of showers before 8am. Partly sunny, with a high near 74. Northwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

Tonight

Mostly clear, with a low around 55. Northwest wind around 6 mph becoming calm in the evening.

Tuesday

Patchy fog before 9am. Otherwise, sunny, with a high near 80. Calm wind becoming south 5 to 8 mph in the afternoon.

Tuesday Night

Clear, with a low around 62. Southwest wind 3 to 8 mph.

Wednesday

Sunny, with a high near 84. West wind 3 to 7 mph.

Wednesday Night

A slight chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 20%.

Thursday

A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 30%.