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Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

68°F

20°C

Humidity 55%
Wind Speed Calm
Barometer 30.39 in (1030.2 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 10 Oct 3:56 pm EDT
Extended Forecast for

Glenwood MD

  • Tonight

    Tonight: A chance of showers, mainly after 2am. Cloudy, with a low around 59. East wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.

    Low: 59 °F

    Cloudy then
    Chance
    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 2pm. High near 68. East wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 68 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 10pm, then showers and possibly a thunderstorm between 10pm and 11pm, then a chance of showers and thunderstorms after 11pm. Some of the storms could produce heavy rainfall. Low around 61. East wind 5 to 7 mph becoming light and variable. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 61 °F

    Heavy Rain
    then Chance
    Showers

  • Columbus Day

    Columbus Day: Sunny through mid morning, then becoming mostly cloudy, with a high near 70. North wind 11 to 13 mph, with gusts as high as 22 mph.

    High: 70 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers, mainly after 2am. Cloudy, with a low around 59. East wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.
Sunday
Showers, with thunderstorms also possible after 2pm. High near 68. East wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers and thunderstorms likely before 10pm, then showers and possibly a thunderstorm between 10pm and 11pm, then a chance of showers and thunderstorms after 11pm. Some of the storms could produce heavy rainfall. Low around 61. East wind 5 to 7 mph becoming light and variable. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Columbus Day
Sunny through mid morning, then becoming mostly cloudy, with a high near 70. North wind 11 to 13 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Glenwood MD
 39.29°N 77.04°W (Elev. 531 ft)
Last Update:
2:23 pm EDT Oct 10, 2026
Forecast Valid:
4pm EDT Oct 10, 2026-6pm EDT Oct 17, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation