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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

42°F

6°C

Humidity 79%
Wind Speed Calm
Barometer 29.91 in (1014.4 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 15 Nov 4:56 am EST
Extended Forecast for

Ijamsville MD

  • Today

    Today: Scattered sprinkles between 4pm and 5pm, then isolated showers after 5pm. Cloudy, with a high near 62. Calm wind becoming south around 6 mph in the afternoon.

    High: 62 °F

    Mostly Cloudy
    then Isolated
    Showers

  • Tonight

    Tonight: Scattered showers or sprinkles before 3am, then scattered sprinkles between 3am and 4am. Cloudy, then gradually becoming partly cloudy, with a low around 51. South wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

    Low: 51 °F

    Scattered
    Showers

  • Sunday

    Sunday: Sunny, with a high near 58. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 39 mph.

    High: 58 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. West wind 9 to 18 mph, with gusts as high as 29 mph.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 48. Northwest wind 10 to 17 mph, with gusts as high as 28 mph.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of rain after 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 30%.

    High: 46 °F

    Partly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.

    Low: 35 °F

    Chance Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

Detailed Forecast

Today
Scattered sprinkles between 4pm and 5pm, then isolated showers after 5pm. Cloudy, with a high near 62. Calm wind becoming south around 6 mph in the afternoon.
Tonight
Scattered showers or sprinkles before 3am, then scattered sprinkles between 3am and 4am. Cloudy, then gradually becoming partly cloudy, with a low around 51. South wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 58. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 39 mph.
Sunday Night
Mostly clear, with a low around 35. West wind 9 to 18 mph, with gusts as high as 29 mph.
Monday
Sunny, with a high near 48. Northwest wind 10 to 17 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 30.
Tuesday
A chance of rain after 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 30%.
Tuesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 50.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
Partly sunny, with a high near 54.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 43. Chance of precipitation is 40%.
Friday
A chance of rain. Mostly cloudy, with a high near 60. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ijamsville MD
 39.34°N 77.32°W (Elev. 495 ft)
Last Update:
5:42 am EST Nov 15, 2025
Forecast Valid:
6am EST Nov 15, 2025-6pm EST Nov 21, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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