Severe Thunderstorms and Flooding Threat in the Central U.S.; Rip Currents Along East Coast Beaches

Widespread thunderstorms will continue across the central and southern Plains today ahead of an approaching cold front. Heavy to excessive rainfall could lead to instances of flash flooding. Flood Watches have been issued. Swells from Hurricane Gabrielle are likely to cause life-threatening surf and rip current conditions along the U.S. East Coast over the next couple of days. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Partly Cloudy

77°F

25°C

Humidity	66%
Wind Speed	SW 7 mph
Barometer	30.05 in (1018.8 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	23 Sep 10:56 am EDT

More Information:

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

Extended Forecast for

Ashton MD

Today
High: 84 °F
Chance
Showers
Tonight
Low: 63 °F
Chance
Showers then
Mostly Cloudy
Wednesday
High: 79 °F
Mostly Cloudy
then Slight
Chance
Showers
Wednesday Night
Low: 65 °F
Showers
Likely
Thursday
High: 79 °F
Showers
Likely
Thursday Night
Low: 64 °F
Showers
Likely
Friday
High: 75 °F
Chance
Showers
Friday Night
Low: 61 °F
Chance
Showers
Saturday
High: 77 °F
Chance
Showers

Detailed Forecast

Today

A chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 84. Southwest wind around 8 mph. Chance of precipitation is 30%.

Tonight

A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Wednesday

A slight chance of showers after 2pm. Mostly cloudy, with a high near 79. Light and variable wind. Chance of precipitation is 20%.

Wednesday Night

A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Cloudy, with a low around 65. Light south wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Cloudy, with a high near 79. South wind 6 to 8 mph. Chance of precipitation is 70%.

Thursday Night

Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Cloudy, with a low around 64. Chance of precipitation is 70%.

Friday

A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.

Friday Night

A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.

Saturday

A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 40%.

Saturday Night

Partly cloudy, with a low around 60.

Sunday

Mostly sunny, with a high near 77.