Heavy Rain and Flooding Possible in the Southwest U.S, Ohio Valley, and Hawaii

Heavy rainfall is expected to continue through Thursday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. Heavy rain and flash flooding is also expected over the southern Appalachians and Ohio Valley. Tropical Depression 15-E, southeast of Hawaii, is expected to bring heavy rain beginning today to the Big Island and Maui. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

54°F

12°C

Humidity 97%
Wind Speed Calm
Barometer 30.42 in (1031.6 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 23 Sep 10:56 am EDT
Extended Forecast for

2 Miles ESE Rockville MD

  • Today

    Today: A slight chance of rain before noon, then a slight chance of showers between noon and 3pm.  Cloudy, with a high near 62. Northeast wind around 11 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    High: 62 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. Northeast wind around 9 mph, with gusts as high as 21 mph.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64. Northeast wind around 11 mph, with gusts as high as 21 mph.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. North wind 5 to 7 mph.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 69. North wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of rain before noon, then a slight chance of showers between noon and 3pm. Cloudy, with a high near 62. Northeast wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 50. Northeast wind around 9 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 64. Northeast wind around 11 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 49. North wind 5 to 7 mph.
Friday
Sunny, with a high near 69. North wind 10 to 13 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Mostly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Rockville MD
 39.08°N 77.14°W (Elev. 397 ft)
11:48 am EDT Sep 23, 2026
11am EDT Sep 23, 2026-6pm EDT Sep 29, 2026
 
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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