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/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Fog

46°F

8°C

Humidity	96%
Wind Speed	E 5 mph
Barometer	30.19 in (1022.2 mb)
Dewpoint	45°F (7°C)
Visibility	0.06 mi
Wind Chill	44°F (7°C)
Last update	5 Mar 8:52 am EST

More Information:

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

Extended Forecast for

Cabin John MD

Dense Fog Advisory March 5, 09:21am until March 5, 10:00am

Click here for hazard details and duration

...

Dense Fog Advisory March 5, 09:21am until March 5, 10:00am
NOW until 10:00am Thu
Dense Fog Advisory
Today
High: 63 °F
Areas Dense
Fog then
Isolated
T-storms
Tonight
Low: 46 °F
Showers
Likely and
Areas Fog
Friday
High: 55 °F
Patchy Fog
then Isolated
Showers
Friday Night
Low: 46 °F
Slight Chance
Showers and
Patchy Fog
Saturday
High: 75 °F
Patchy Fog
then Chance
Showers
Saturday Night
Low: 59 °F
Showers
Likely
Sunday
High: 69 °F
Chance
Showers
Sunday Night
Low: 49 °F
Partly Cloudy

Detailed Forecast

Today

Isolated showers and thunderstorms after 4pm. Areas of dense fog before noon. Otherwise, mostly cloudy, with a high near 63. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

Tonight

Showers and thunderstorms likely before 3am, then isolated showers between 3am and 4am. Areas of fog after 8pm. Otherwise, mostly cloudy, with a low around 46. East wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Isolated showers after 1pm. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 55. Calm wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 20%.

Friday Night

A slight chance of showers. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 46. East wind 3 to 6 mph. Chance of precipitation is 20%.

Saturday

A chance of showers after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 75. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

Saturday Night

Showers likely, mainly before 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

Sunday

A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 30%.

Sunday Night

Partly cloudy, with a low around 49.

Monday

Mostly sunny, with a high near 71.

Monday Night

Mostly clear, with a low around 52.

Tuesday

Mostly sunny, with a high near 79.