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

45°F

7°C

Humidity	NA
Wind Speed	E 3 mph
Barometer	30.17 in (1023.2 mb)
Dewpoint	N/A
Visibility	0.25 mi
Last update	5 Mar 4:56 am EST

More Information:

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

Extended Forecast for

3 Miles WSW North Potomac MD

Dense Fog Advisory March 5, 05:03am until March 5, 10:00am

Click here for hazard details and duration

Dense Fog Advisory

Dense Fog Advisory March 5, 05:03am until March 5, 10:00am
NOW until 10:00am Thu
Dense Fog Advisory
Overnight
Low: 45 °F
Isolated
Showers and
Dense Fog
Thursday
High: 62 °F
Showers
Likely and
Dense Fog
Thursday Night
Low: 46 °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: 75 °F
Patchy Fog
then Chance
Showers
Saturday Night
Low: 59 °F
Showers
Likely
Sunday
High: 67 °F
Chance
Showers

Detailed Forecast

Overnight

Isolated showers. Widespread dense fog. Otherwise, cloudy, with a low around 45. Calm wind. Chance of precipitation is 20%.

Thursday

Showers likely before 11am, then scattered showers and thunderstorms after 4pm. Widespread dense fog, mainly before 10am. Otherwise, mostly cloudy, with a high near 62. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers and thunderstorms likely before 11pm, then scattered showers between 11pm and 3am. Patchy fog. Otherwise, cloudy, with a low around 46. 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 11am. 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. Southeast wind 5 to 7 mph. Chance of precipitation is 20%.

Saturday

A chance of showers after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 75. 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 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.