Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

77°F

25°C

Humidity	86%
Wind Speed	Calm
Barometer	30.08 in (1018.8 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	31 Aug 8:55 am EDT

More Information:

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

Extended Forecast for

White Plains MD

Today
High: 90 °F
Mostly Sunny
then Slight
Chance
T-storms
Tonight
Low: 73 °F
Chance
Showers then
Partly Cloudy
Tuesday
High: 95 °F
Sunny then
Chance
Showers
Tuesday Night
Low: 75 °F
Chance
Showers then
Slight Chance
T-storms
Wednesday
High: 93 °F
Mostly Sunny
Wednesday Night
Low: 75 °F
Slight Chance
T-storms
Thursday
High: 97 °F
Sunny then
Chance
T-storms
Thursday Night
Low: 73 °F
Chance
T-storms
Friday
High: 89 °F
Slight Chance
T-storms then
Chance
Showers

Detailed Forecast

Today

A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 90. Light and variable wind. Chance of precipitation is 20%.

Tonight

A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 73. Southeast wind around 6 mph becoming light and variable. Chance of precipitation is 30%.

Tuesday

A slight chance of showers before 3pm, then a chance of showers after 4pm. Sunny, with a high near 95. Heat index values as high as 102. West wind 3 to 6 mph. Chance of precipitation is 30%.

Tuesday Night

A chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 75. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.

Wednesday

Mostly sunny, with a high near 93. Light and variable wind becoming north around 5 mph.

Wednesday Night

A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. Chance of precipitation is 20%.

Thursday

A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Chance of precipitation is 30%.

Thursday Night

A chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 73. Chance of precipitation is 40%.

Friday

A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.

Friday Night

A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 67. Chance of precipitation is 30%.

Saturday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 20%.

Saturday Night

Partly cloudy, with a low around 63.

Sunday

Sunny, with a high near 82.