Heavy Rain Threatens the Mid-Atlantic on Sunday While Fire Weather Conditions Worsen in the Southwest

Heavy rain is bringing a flash flood risk to parts of the Mid-Atlantic on Sunday. This activity will diminish overnight. On Monday, the focus shifts into the Plains and Mississippi Valley where severe thunderstorms and heavy rains will be possible through Tuesday. Meanwhile, hot conditions and Critical Fire Weather looms over the Great Basin and Southwest U.S. through midweek. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

64°F

18°C

Humidity	NA
Wind Speed	Vrbl 5 mph
Barometer	30.10 in (1020.4 mb)
Dewpoint	N/A
Visibility	8.00 mi
Last update	15 Jun 6:56 pm EDT

More Information:

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

Extended Forecast for

Dayton MD

Tonight
Low: 62 °F
Showers
Likely and
Patchy Fog
Monday
High: 70 °F
Chance
Showers and
Patchy Fog
then Slight
Chance
Showers
Monday Night
Low: 64 °F
Chance
Showers
Tuesday
High: 79 °F
Chance
Showers then
Showers
Likely
Tuesday Night
Low: 70 °F
Showers
Likely
Wednesday
High: 87 °F
Chance
Showers
Wednesday Night
Low: 72 °F
Mostly Clear
Juneteenth
High: 90 °F
Sunny then
Chance
T-storms
Thursday Night
Low: 66 °F
Chance
T-storms then
Partly Cloudy

Detailed Forecast

Tonight

Showers likely, mainly before midnight. Patchy fog after 11pm. Otherwise, cloudy, with a low around 62. East wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday

A chance of showers, mainly before noon. Patchy fog before 9am. Otherwise, cloudy, with a high near 70. Northeast wind around 7 mph. Chance of precipitation is 50%.

Monday Night

A chance of showers, mainly after 2am. Cloudy, with a low around 64. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Tuesday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Cloudy, with a high near 79. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers. Mostly cloudy, with a low around 70. Southeast wind 3 to 6 mph. Chance of precipitation is 70%.

Wednesday

A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 40%.

Wednesday Night

Mostly clear, with a low around 72.

Juneteenth

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 50%.

Thursday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.

Friday

Sunny, with a high near 83.

Friday Night

Partly cloudy, with a low around 63.