Severe Thunderstorms in the Central U.S.; Record Temperatures Likely for Eastern U.S.

Several rounds of severe thunderstorms and heavy rain are forecast from the southern Plains to the Midwest through Friday. Large hail, damaging wind gusts, and tornadoes are possible. A significant warm-up is expected for much of the Eastern U.S. into next week. Several daily record temperature records are likely to be broken. Fire weather concerns will return to the central/southern High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Light Rain Fog

48°F

9°C

Humidity	100%
Wind Speed	Calm
Barometer	30.23 in (1023.6 mb)
Dewpoint	48°F (9°C)
Visibility	0.13 mi
Last update	4 Mar 9:52 pm EST

More Information:

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

Extended Forecast for

Catharpin VA

Dense Fog Advisory March 4, 10:23pm until March 5, 10:00am

Click here for hazard details and duration

Dense Fog Advisory

Dense Fog Advisory March 4, 10:23pm until March 5, 10:00am
NOW until 10:00am Thu
Dense Fog Advisory
Tonight
Low: 44 °F
Areas Drizzle
and Dense Fog
Thursday
High: 67 °F
Scattered
Showers and
Dense Fog
Thursday Night
Low: 52 °F
Showers
Likely and
Areas Fog
Friday
High: 71 °F
Chance
Showers and
Patchy Fog
Friday Night
Low: 50 °F
Mostly Cloudy
Saturday
High: 78 °F
Mostly Cloudy
then Chance
Showers
Saturday Night
Low: 56 °F
Chance
Showers
Sunday
High: 70 °F
Mostly Cloudy
then Chance
Showers

Detailed Forecast

Tonight

Areas of drizzle. Widespread dense fog. Otherwise, cloudy, with a low around 44. Calm wind.

Thursday

Patchy drizzle before noon, then scattered showers after 2pm. Widespread dense fog, mainly before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 67. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

Thursday Night

Showers likely, mainly between 7pm and 1am. Areas of fog. Otherwise, mostly cloudy, with a low around 52. East wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Friday

A chance of showers before 7am, then a chance of showers after 1pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 71. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 30%.

Friday Night

Mostly cloudy, with a low around 50. Southeast wind around 6 mph.

Saturday

A chance of showers after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 40%.

Saturday Night

A chance of showers before 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.

Sunday

A chance of showers after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 30%.

Sunday Night

Mostly cloudy, with a low around 49.

Monday

Mostly sunny, with a high near 70.