Heat and Fire Weather Concerns West; Heavy Rain and Thunderstorms from Plains to mid-Atlantic

Thunderstorms and locally heavy rainfall is expected from the Central Plains to the Ohio Valley, mid-Atlantic and across the Southeast. Severe weather from the Upper Midwest to Central Plains increases on Friday. Major to Extreme HeatRisk continues across the Southern Plains to the lower Mississippi Valley late this week. Fire weather concerns for the northern Rockies and northern Plains today. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

84°F

29°C

Humidity 65%
Wind Speed W 9 mph
Barometer 29.93 in (1014.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 10 Sep 4:56 pm EDT
Extended Forecast for

Damascus MD

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 3am.  Increasing clouds, with a low around 66. Northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers before 8am.  Mostly cloudy, with a high near 78. North wind 3 to 6 mph.  Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers before 8am, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 79. Southeast wind 5 to 8 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Partly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers.  Low around 67. South wind 3 to 6 mph.  Chance of precipitation is 80%.

    Low: 67 °F

    Showers

  • Sunday

    Sunday: A chance of showers before 8am.  Mostly sunny, with a high near 81. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 66. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Friday
A chance of showers before 8am. Mostly cloudy, with a high near 78. North wind 3 to 6 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 64. Calm wind.
Saturday
A slight chance of showers before 8am, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. Southeast wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 67. South wind 3 to 6 mph. Chance of precipitation is 80%.
Sunday
A chance of showers before 8am. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 65.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Sunny, with a high near 82.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Damascus MD
 39.29°N 77.22°W (Elev. 764 ft)
4:53 pm EDT Sep 10, 2026
5pm EDT Sep 10, 2026-6pm EDT Sep 17, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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