Stormy Weather for Northern U.S., Alaska and Hawaii

A powerful storm system will produce a swath of heavy snow and high winds across the Northern U.S. on Sunday from the northern Plains to the Upper Great Lakes. Meanwhile, a major winter storm will hammer the Alaskan West Coast and Western Interior on Sunday with blizzard warnings in effect. Finally, a developing Kona low will produce numerous hazards for Hawaii through early this week. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

42°F

6°C

Humidity 45%
Wind Speed W 3 mph
Barometer 30.25 in (1025.7 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 4 Dec 11:56 pm EST
Extended Forecast for

Rockville MD

  • Overnight

    Overnight: Mostly clear, with a low around 34. North wind 3 to 6 mph.

    Mostly Clear

    Low: 34 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 48. Light and variable wind becoming southeast 5 to 7 mph in the morning.

    Mostly Sunny

    High: 48 °F

  • Sunday
    Night

    Sunday Night: A chance of showers, mainly between 10pm and 4am.  Increasing clouds, with a low around 40. Southeast wind 5 to 7 mph.  Chance of precipitation is 30%.

    Chance
    Showers

    Low: 40 °F

  • Monday

    Monday: A slight chance of showers before 10am, then a chance of showers after 1pm.  Mostly cloudy, with a high near 64. South wind 8 to 15 mph, with gusts as high as 31 mph.  Chance of precipitation is 50%.

    Slight Chance
    Showers then
    Chance
    Showers

    High: 64 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 31. Northwest wind 7 to 15 mph, with gusts as high as 25 mph.

    Mostly Cloudy

    Low: 31 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41.

    Mostly Sunny

    High: 41 °F

  • Tuesday
    Night

    Tuesday Night: A chance of rain and snow.  Mostly cloudy, with a low around 33. Chance of precipitation is 40%.

    Chance
    Rain/Snow

    Low: 33 °F

  • Wednesday

    Wednesday: Rain likely.  Cloudy, with a high near 40. Chance of precipitation is 70%.

    Rain Likely

    High: 40 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 30.

    Mostly Cloudy

    Low: 30 °F

Detailed Forecast

Overnight
Mostly clear, with a low around 34. North wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 48. Light and variable wind becoming southeast 5 to 7 mph in the morning.
Sunday Night
A chance of showers, mainly between 10pm and 4am. Increasing clouds, with a low around 40. Southeast wind 5 to 7 mph. Chance of precipitation is 30%.
Monday
A slight chance of showers before 10am, then a chance of showers after 1pm. Mostly cloudy, with a high near 64. South wind 8 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 31. Northwest wind 7 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 41.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Wednesday
Rain likely. Cloudy, with a high near 40. Chance of precipitation is 70%.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Partly sunny, with a high near 47.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
A chance of rain. Mostly cloudy, with a high near 59. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Rockville MD
 39.08°N 77.16°W (Elev. 430 ft)
9:30 pm EST Dec 4, 2021
12am EST Dec 5, 2021-6pm EST Dec 10, 2021
 
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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