Winter Storm To Impact Parts Of The Ohio Valley and Great Lakes To Northern New England

A developing winter storm will sweep up through the Northeastern quadrant of the U.S. over the next two days. A swath of heavy snow will be followed by lake effect snow from parts of the Ohio Valley and Great Lakes to northern New England. Also, locally heavy rain will be possible across portions of the Northeast, while a potential line of strong thunderstorms may roll through the Mid-Atlantic. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fog/Mist

48°F

9°C

Humidity 96%
Wind Speed Calm
Barometer 29.89 in (1013.5 mb)
Dewpoint 47°F (8°C)
Visibility 0.75 mi
Last update 26 Feb 5:56 am EST
Extended Forecast for

Rockville MD

Dense Fog Advisory until February 26, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until February 26, 09:00am

    NOW until
    9:00am Wed

    Dense Fog Advisory

  • Today

    Today: Scattered showers, mainly after 5pm.  Areas of fog before 2pm.  Otherwise, mostly cloudy, with a high near 56. Calm wind becoming east 5 to 8 mph in the morning.  Chance of precipitation is 30%.

    Areas Fog
    then
    Scattered
    Showers and
    Areas Fog

    High: 56 °F

  • Tonight

    Tonight: Showers and possibly a thunderstorm.  Areas of fog between 8pm and 11pm. Low around 36. East wind 9 to 16 mph becoming west after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Showers and
    Areas Fog

    Low: 36 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 42. Breezy, with a west wind 17 to 22 mph, with gusts as high as 37 mph.

    Mostly Sunny
    and Breezy

    High: 42 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 26. West wind 10 to 18 mph, with gusts as high as 28 mph.

    Mostly Clear

    Low: 26 °F

  • Friday

    Friday: Mostly sunny, with a high near 42. West wind 8 to 13 mph, with gusts as high as 20 mph.

    Mostly Sunny

    High: 42 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 26.

    Partly Cloudy

    Low: 26 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 39.

    Mostly Sunny

    High: 39 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 23.

    Partly Cloudy

    Low: 23 °F

Detailed Forecast

Today
Scattered showers, mainly after 5pm. Areas of fog before 2pm. Otherwise, mostly cloudy, with a high near 56. Calm wind becoming east 5 to 8 mph in the morning. Chance of precipitation is 30%.
Tonight
Showers and possibly a thunderstorm. Areas of fog between 8pm and 11pm. Low around 36. East wind 9 to 16 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Mostly sunny, with a high near 42. Breezy, with a west wind 17 to 22 mph, with gusts as high as 37 mph.
Thursday Night
Mostly clear, with a low around 26. West wind 10 to 18 mph, with gusts as high as 28 mph.
Friday
Mostly sunny, with a high near 42. West wind 8 to 13 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 39.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 27.
Monday
A chance of showers. Mostly sunny, with a high near 48. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 57. Chance of precipitation is 40%.
Click Map For Forecast
Point Forecast:
Rockville MD
 39.08°N 77.16°W (Elev. 430 ft)
3:31 am EST Feb 26, 2020
6am EST Feb 26, 2020-6pm EST Mar 3, 2020
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database