Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Hazardous Weather Conditions

Freeze Watch in effect from April 21, 02:00 AM EDT until April 21, 10:00 AM EDT

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

48°F

9°C

Humidity	96%
Wind Speed	NW 9 mph
Barometer	29.99 in (1016.8 mb)
Dewpoint	47°F (8°C)
Visibility	10.00 mi
Wind Chill	44°F (7°C)
Last update	19 Apr 11:56 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Rockville MD

Freeze Watch April 21, 02:00am until April 21, 10:00am

Click here for hazard details and duration

Freeze Watch

This Afternoon
High: 59 °F
Isolated
Showers
Tonight
Low: 42 °F
Increasing
Clouds
Monday
High: 53 °F
Sunny
Monday Night
Low: 32 °F
Mostly Clear
Tuesday
High: 59 °F
Sunny
Tuesday Night
Low: 48 °F
Mostly Clear
then Chance
Showers
Wednesday
High: 72 °F
Chance
Showers
Wednesday Night
Low: 51 °F
Partly Cloudy
Thursday
High: 77 °F
Sunny

Detailed Forecast

This Afternoon

Isolated showers before 1pm. Cloudy early, then gradual clearing, with a high near 59. Northwest wind 8 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

Tonight

Increasing clouds, with a low around 42. Northwest wind 6 to 11 mph becoming south after midnight. Winds could gust as high as 20 mph.

Monday

Sunny, with a high near 53. Northwest wind 13 to 16 mph, with gusts as high as 28 mph.

Monday Night

Mostly clear, with a low around 32. North wind 5 to 10 mph, with gusts as high as 18 mph.

Tuesday

Sunny, with a high near 59. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.

Tuesday Night

A chance of showers after 2am. Partly cloudy, with a low around 48. Chance of precipitation is 30%.

Wednesday

A chance of showers. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.