Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. 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

70°F

21°C

Humidity	NA
Wind Speed	W 3 mph
Barometer	30.02 in (1017.6 mb)
Dewpoint	N/A
Visibility	10.00 mi
Last update	28 Aug 7:56 am EDT

More Information:

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

Extended Forecast for

Dayton MD

Today
High: 84 °F
Slight Chance
T-storms and
Patchy Fog
Tonight
Low: 63 °F
Partly Cloudy
Saturday
High: 82 °F
Mostly Sunny
Saturday Night
Low: 64 °F
Partly Cloudy
Sunday
High: 86 °F
Mostly Sunny
Sunday Night
Low: 69 °F
Mostly Cloudy
Monday
High: 90 °F
Mostly Sunny
Monday Night
Low: 71 °F
Partly Cloudy
Tuesday
High: 91 °F
Mostly Sunny
then Slight
Chance
T-storms

Detailed Forecast

Today

A slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.

Tonight

Partly cloudy, with a low around 63. North wind 3 to 7 mph.

Saturday

Mostly sunny, with a high near 82. Northeast wind 5 to 8 mph.

Saturday Night

Partly cloudy, with a low around 64. East wind 3 to 6 mph.

Sunday

Mostly sunny, with a high near 86. Southwest wind 6 to 9 mph.

Sunday Night

Mostly cloudy, with a low around 69.

Monday

Mostly sunny, with a high near 90.