Lake-Effect Snow Downwind of Lake Ontario; Cold Temperatures in the Across the Northern High Plains

Lake effect snow will continue downwind of Lake Ontario through Monday, potentially dropping up to a foot of snow. A few inches of snow is possible downwind of Lake Erie. Arctic high pressure will usher in well below normal temperatures across the northern High Plains today through Monday. Temperatures are expected to be 20-30 degrees below normal before moderating Tuesday. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

40°F

4°C

Humidity 51%
Wind Speed NW 18 G 26 mph
Barometer 30.19 in (1024.3 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 9 Feb 3:56 pm EST
Extended Forecast for

Gaithersburg MD

Winter Storm Watch February 11, 01:00pm until February 12, 07:00am
Click here for hazard details and duration
Winter Storm Watch
  • Tonight

    Tonight: Mostly cloudy, with a low around 28. Northwest wind 5 to 9 mph becoming light  after midnight.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 41. Northwest wind 3 to 7 mph.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 28. Calm wind.

    Low: 28 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Snow, mainly after 1pm.  High near 34. Calm wind becoming south around 6 mph in the afternoon.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 34 °F

    Chance Snow
    then Snow

  • Tuesday Night

    Tuesday Night: Snow.  Low around 30. Calm wind becoming northeast around 5 mph after midnight.  Chance of precipitation is 100%.

    Low: 30 °F

    Snow

  • Wednesday

    Wednesday: Snow likely before 1pm, then snow, possibly mixed with rain.  High near 36. Chance of precipitation is 80%.

    High: 36 °F

    Snow Likely
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain.  Low around 33. Chance of precipitation is 100%.

    Low: 33 °F

    Rain

  • Thursday

    Thursday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 28. Northwest wind 5 to 9 mph becoming light after midnight.
Monday
Mostly sunny, with a high near 41. Northwest wind 3 to 7 mph.
Monday Night
Increasing clouds, with a low around 28. Calm wind.
Tuesday
Snow, mainly after 1pm. High near 34. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
Snow. Low around 30. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 100%.
Wednesday
Snow likely before 1pm, then snow, possibly mixed with rain. High near 36. Chance of precipitation is 80%.
Wednesday Night
Rain. Low around 33. Chance of precipitation is 100%.
Thursday
Mostly cloudy, with a high near 46.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Mostly sunny, with a high near 36.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Rain and snow likely. Mostly cloudy, with a high near 42. Chance of precipitation is 60%.
Saturday Night
Rain. Low around 36. Chance of precipitation is 90%.
Sunday
Rain. High near 47. Chance of precipitation is 90%.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Gaithersburg MD
 39.15°N 77.21°W (Elev. 443 ft)
3:32 pm EST Feb 9, 2025
4pm EST Feb 9, 2025-6pm EST Feb 16, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database