Severe Thunderstorms and Heavy Rainfall Today from the Central Plains into the Tennessee Valley

Severe thunderstorms capable of damaging winds will be possible from the Ozark Plateau east into portions of the Southeast today. Rounds of heavy thunderstorms ahead of a slow moving front will continue locally heavy rainfall and scattered flash flooding potential from the Ozarks to the Ohio and Tennessee Valleys today. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Thunderstorm in Vicinity

78°F

26°C

Humidity 79%
Wind Speed Vrbl 3 mph
Barometer 30.00 in (1016.6 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 11 Jul 8:56 pm EDT
Extended Forecast for

Sandy Spring MD

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before midnight.  Cloudy, with a low around 67. Northeast wind 5 to 8 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Sunday

    Sunday: Mostly cloudy, with a high near 81. East wind 6 to 8 mph.

    High: 81 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 64. East wind around 6 mph becoming calm  in the evening.

    Low: 64 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers before 2pm.  Partly sunny, with a high near 81. Southeast wind 3 to 7 mph.  Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. Light southeast wind.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 69.

    Low: 69 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before midnight. Cloudy, with a low around 67. Northeast wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly cloudy, with a high near 81. East wind 6 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 64. East wind around 6 mph becoming calm in the evening.
Monday
A slight chance of showers before 2pm. Partly sunny, with a high near 81. Southeast wind 3 to 7 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 64. Light southeast wind.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Clear, with a low around 69.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Sunny, with a high near 92.
Thursday Night
Partly cloudy, with a low around 72.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sandy Spring MD
 39.14°N 77.04°W (Elev. 463 ft)
7:53 pm EDT Jul 11, 2026
9pm EDT Jul 11, 2026-6pm EDT Jul 18, 2026
 
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