Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

49°F

9°C

Humidity 44%
Wind Speed Vrbl 7 mph
Barometer 30.24 in (1025.6 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 1 Mar 3:56 pm EST
Extended Forecast for

Derwood MD

  • Tonight

    Tonight: Mostly clear, with a low around 27. Northeast wind 5 to 7 mph.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: A chance of snow after 1pm.  Cloudy, with a high near 36. Northeast wind around 6 mph becoming southeast in the afternoon.  Chance of precipitation is 40%.

    High: 36 °F

    Cloudy then
    Chance Snow

  • Monday Night

    Monday Night: A slight chance of snow before 1am, then snow, possibly mixed with freezing rain between 1am and 4am, then rain or freezing rain after 4am.  Low around 29. Southeast wind around 6 mph.  Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible.  New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Slight Chance
    Snow then
    Wintry Mix

  • Tuesday

    Tuesday: Rain or freezing rain, becoming all rain after 7am.  High near 48. South wind 6 to 8 mph.  Chance of precipitation is 90%. Little or no ice accumulation expected.

    High: 48 °F

    Rain/Freezing
    Rain then
    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 42. South wind around 7 mph.  Chance of precipitation is 80%.

    Low: 42 °F

    Rain

  • Wednesday

    Wednesday: A chance of rain.  Mostly cloudy, with a high near 64. Chance of precipitation is 40%.

    High: 64 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain.  Mostly cloudy, with a low around 52. Chance of precipitation is 40%.

    Low: 52 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain after 1pm.  Mostly cloudy, with a high near 72. Chance of precipitation is 30%.

    High: 72 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A chance of rain.  Mostly cloudy, with a low around 55. Chance of precipitation is 40%.

    Low: 55 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 27. Northeast wind 5 to 7 mph.
Monday
A chance of snow after 1pm. Cloudy, with a high near 36. Northeast wind around 6 mph becoming southeast in the afternoon. Chance of precipitation is 40%.
Monday Night
A slight chance of snow before 1am, then snow, possibly mixed with freezing rain between 1am and 4am, then rain or freezing rain after 4am. Low around 29. Southeast wind around 6 mph. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of less than a half inch possible.
Tuesday
Rain or freezing rain, becoming all rain after 7am. High near 48. South wind 6 to 8 mph. Chance of precipitation is 90%. Little or no ice accumulation expected.
Tuesday Night
Rain. Low around 42. South wind around 7 mph. Chance of precipitation is 80%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
Thursday
A chance of rain after 1pm. Mostly cloudy, with a high near 72. Chance of precipitation is 30%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Friday
A chance of rain. Partly sunny, with a high near 69. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
A chance of rain. Mostly sunny, with a high near 75. Chance of precipitation is 30%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Sunday
A chance of rain. Mostly cloudy, with a high near 67. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Derwood MD
 39.12°N 77.13°W (Elev. 348 ft)
3:54 pm EST Mar 1, 2026
4pm EST Mar 1, 2026-6pm EDT Mar 8, 2026
 
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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