National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy to Excessive Rainfall for the Southwest U.S.; Watching for Possible East Coast Storm

Thunderstorms and a chance for some isolated flash flooding will continue today in the Southwest U.S. before an influx of tropical moisture from Priscilla brings widespread heavy rainfall and a flash flooding threat late this week into this weekend. A coastal storm may develop off the southeast U.S. coast Friday night and drift north just off the Mid-Atlantic coast through the weekend. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

61°F

16°C

Humidity 52%
Wind Speed NW 3 mph
Barometer 30.21 in (1024.1 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 8 Oct 6:56 pm EDT
Extended Forecast for

Cooksville MD

  • Tonight

    Tonight: Clear, with a low around 44. North wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 61. Northeast wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Areas of frost after 5am. Otherwise, clear, with a low around 37. Northeast wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Clear then
    Areas Frost

  • Friday

    Friday: Areas of frost before 8am. Otherwise, sunny, with a high near 64. Light and variable wind becoming southeast around 6 mph in the morning.

    High: 64 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 62. Chance of precipitation is 40%.

    High: 62 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.

    Low: 49 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 44. North wind 6 to 11 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 61. Northeast wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Areas of frost after 5am. Otherwise, clear, with a low around 37. Northeast wind around 5 mph becoming calm in the evening.
Friday
Areas of frost before 8am. Otherwise, sunny, with a high near 64. Light and variable wind becoming southeast around 6 mph in the morning.
Friday Night
Partly cloudy, with a low around 47. Calm wind.
Saturday
Partly sunny, with a high near 67.
Saturday Night
A chance of showers after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Sunday
A chance of showers. Mostly cloudy, with a high near 62. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Columbus Day
A chance of showers. Partly sunny, with a high near 60. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cooksville MD
 39.31°N 77.01°W (Elev. 548 ft)
Last Update:
4:29 pm EDT Oct 8, 2025
Forecast Valid:
7pm EDT Oct 8, 2025-6pm EDT Oct 15, 2025
 
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