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

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fog

46°F

8°C

Humidity	NA
Wind Speed	E 3 mph
Barometer	30.19 in (1023.8 mb)
Dewpoint	N/A
Visibility	0.25 mi
Last update	5 Mar 8:56 am EST

More Information:

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

Extended Forecast for

3 Miles W North Potomac MD

Dense Fog Advisory March 5, 09:43am until March 5, 10:00am

Click here for hazard details and duration

...

Dense Fog Advisory March 5, 09:43am until March 5, 10:00am
NOW until 10:00am Thu
Dense Fog Advisory
Today
High: 62 °F
Scattered
Showers and
Areas Dense
Fog
Tonight
Low: 47 °F
Showers
Likely and
Patchy Fog
Friday
High: 55 °F
Areas Fog
then Isolated
Showers
Friday Night
Low: 45 °F
Slight Chance
Showers and
Patchy Fog
Saturday
High: 74 °F
Patchy Fog
then Chance
Showers
Saturday Night
Low: 59 °F
Showers
Likely
Sunday
High: 67 °F
Mostly Cloudy
then Chance
Showers
Sunday Night
Low: 48 °F
Partly Cloudy

Detailed Forecast

Today

Isolated showers, then scattered showers and thunderstorms after 4pm. Areas of dense fog before 1pm. Otherwise, mostly cloudy, with a high near 62. Southeast wind 3 to 7 mph. Chance of precipitation is 30%.

Tonight

Showers and thunderstorms likely before 11pm, then scattered showers between 11pm and 3am. Patchy fog after 8pm. Otherwise, cloudy, with a low around 47. East wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Isolated showers after 1pm. Areas of fog before noon. Otherwise, mostly cloudy, with a high near 55. East wind 3 to 7 mph. Chance of precipitation is 20%.

Friday Night

A slight chance of showers before 1am. Patchy fog before 2am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 45. East wind 5 to 7 mph. Chance of precipitation is 20%.

Saturday

A chance of showers after 1pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 74. South wind 5 to 11 mph, with gusts 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 after 1pm. Mostly cloudy, with a high near 67. Chance of precipitation is 30%.

Sunday Night

Partly cloudy, with a low around 48.

Monday

Mostly sunny, with a high near 70.

Monday Night

Mostly clear, with a low around 52.

Tuesday

Mostly sunny, with a high near 77.