Severe Weather in the Central U.S.; Heavy Rain in the Ohio Valley and Mid-Atlantic

Scattered severe thunderstorms capable of producing severe gusts, large hail, and perhaps a couple tornadoes are forecast from the north-central High Plains into the Upper Mississippi Valley. Widespread thunderstorms may produce excessive rainfall across portions of the Ohio Valley and Mid-Atlantic. Hot conditions and Critical Fire Weather looms over the Great Basin and Southwest through midweek. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fog/Mist

64°F

18°C

Humidity NA
Wind Speed Calm
Barometer 30.06 in (1019.0 mb)
Dewpoint N/A
Visibility 3.00 mi
Last update 16 Jun 8:56 pm EDT
Extended Forecast for

Damascus MD

  • Tonight

    Tonight: Scattered showers, mainly after 3am.  Patchy fog after 11pm.  Otherwise, cloudy, with a low around 65. Light southeast wind.  Chance of precipitation is 30%.

    Low: 65 °F

    Scattered
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Scattered rain and thunderstorms before 3pm, then scattered showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Patchy fog before 9am.  Otherwise, cloudy, with a high near 79. South wind around 7 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Isolated
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 11pm, then a chance of showers.  Mostly cloudy, with a low around 70. Southeast wind around 6 mph.  Chance of precipitation is 60%. New precipitation amounts between three quarters and one inch possible.

    Low: 70 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Partly sunny, with a high near 87. Southwest wind 5 to 8 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    Showers then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm.  Partly cloudy, with a low around 71. Southwest wind around 5 mph.  Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely then
    Mostly Clear

  • Juneteenth

    Juneteenth: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Mostly sunny, with a high near 89. Chance of precipitation is 60%.

    High: 89 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm.  Partly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers, mainly after 3am. Patchy fog after 11pm. Otherwise, cloudy, with a low around 65. Light southeast wind. Chance of precipitation is 30%.
Tuesday
Scattered rain and thunderstorms before 3pm, then scattered showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 79. South wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 70. Southeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between three quarters and one inch possible.
Wednesday
Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 87. Southwest wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 71. Southwest wind around 5 mph. Chance of precipitation is 60%.
Juneteenth
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 60%.
Friday
Sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Mostly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Damascus MD
 39.27°N 77.22°W (Elev. 699 ft)
7:29 pm EDT Jun 16, 2025
9pm EDT Jun 16, 2025-6pm EDT Jun 23, 2025
 
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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