Flash Flooding Likely into Tonight for Portions of Kansas and Missouri; Heat Wave Expands to the East Coast; Tropical Storm Krosa Forms Near the Marianas.

Flash flooding likely in northeast Kansas & Missouri into tonight. Widespread extreme heat will develop and persist across much of the Southeast this weekend & next week. Tropical Storm Krosa has formed and will continue to cause heavy rain across Guam & the CNMI through Saturday. Severe storms with flooding rains expected into tonight for portions of the Midwest. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from July 25, 11:00 AM EDT until July 25, 08:00 PM EDT

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

78°F

26°C

Humidity	77%
Wind Speed	SE 3 mph
Barometer	30.06 in (1018.2 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	24 Jul 9:55 pm EDT

More Information:

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

Extended Forecast for

2 Miles SSW Fort Washington MD

Heat Advisory July 25, 11:00am until July 25, 08:00pm

Click here for hazard details and duration

Heat Advisory

Tonight
Low: 74 °F
Clear
Friday
High: 97 °F
Sunny then
Chance
T-storms
Friday Night
Low: 77 °F
Slight Chance
T-storms then
Partly Cloudy
Saturday
High: 93 °F
Mostly Sunny
then Chance
T-storms
Saturday Night
Low: 75 °F
Chance
T-storms then
Slight Chance
Showers
Sunday
High: 94 °F
Slight Chance
Showers then
Chance
T-storms
Sunday Night
Low: 76 °F
Chance
T-storms
Monday
High: 94 °F
Sunny
Monday Night
Low: 76 °F
Mostly Clear

Detailed Forecast

Tonight

Clear, with a low around 74. South wind around 7 mph.

Friday

A chance of showers and thunderstorms, mainly after 4pm. Increasing clouds and hot, with a high near 97. Heat index values as high as 107. West wind 3 to 6 mph. Chance of precipitation is 30%.

Friday Night

A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 77. West wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 20%.

Saturday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 100. North wind 3 to 5 mph. Chance of precipitation is 30%.

Saturday Night

A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Mostly cloudy, with a low around 75. Light east wind. Chance of precipitation is 30%.

Sunday

A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 94. Chance of precipitation is 50%.

Sunday Night

A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76. Chance of precipitation is 30%.

Monday

Sunny, with a high near 94.

Monday Night

Mostly clear, with a low around 76.

Tuesday

Sunny and hot, with a high near 97.

Tuesday Night

Mostly clear, with a low around 76.