Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

52°F

11°C

Humidity NA
Wind Speed Calm
Barometer 29.95 in (1015.5 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 19 Oct 2:56 am EDT
Extended Forecast for

Sandy Spring MD

  • Overnight

    Overnight: Partly cloudy, with a low around 52. Light southeast wind.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 75. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 75 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 5am, then a chance of showers.  Low around 49. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 49 °F

    Showers

  • Monday

    Monday: A chance of showers between 7am and 2pm.  Mostly sunny, with a high near 62. West wind 14 to 17 mph, with gusts as high as 29 mph.  Chance of precipitation is 30%.

    High: 62 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. West wind around 6 mph becoming calm  in the evening.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers before 2am.  Partly cloudy, with a low around 46. Chance of precipitation is 30%.

    Low: 46 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 52. Light southeast wind.
Sunday
Partly sunny, with a high near 75. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.
Sunday Night
Showers and thunderstorms before 5am, then a chance of showers. Low around 49. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
A chance of showers between 7am and 2pm. Mostly sunny, with a high near 62. West wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 40. West wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 68.
Tuesday Night
A chance of showers before 2am. Partly cloudy, with a low around 46. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 38.
Friday
Mostly sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Sandy Spring MD
 39.16°N 77.04°W (Elev. 469 ft)
1:29 am EDT Oct 19, 2025
3am EDT Oct 19, 2025-6pm EDT Oct 25, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database