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Severe Thunderstorms over the Plains, Heavy Rain Threat Continues over Portions of the Mississippi Valley

Heavy rainfall with localized flooding will remain possible over portions of the Mississippi Valley and the Plains through midweek. In addition, severe thunderstorms will be possible over the southern and central Plains. Some of the storms could contain damaging winds and large hail. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

85°F

29°C

Humidity 71%
Wind Speed S 7 mph
Barometer 30.01 in (1016.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 17 Aug 11:58 am EDT
Extended Forecast for

Annandale VA

  • This
    Afternoon

    This Afternoon: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 89. South wind 6 to 8 mph.  Chance of precipitation is 40%.

    Chance
    T-storms

    High: 89 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 75. South wind around 7 mph.  Chance of precipitation is 30%.

    Chance
    T-storms then
    Chance
    Showers

    Low: 75 °F

  • Friday

    Friday: A slight chance of showers, then showers and thunderstorms likely after 11am.  Mostly cloudy, with a high near 91. Heat index values as high as 103. South wind 6 to 10 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers then
    T-storms
    Likely

    High: 91 °F

  • Friday
    Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm.  Mostly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm  after midnight.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    T-storms
    Likely then
    Chance
    Showers

    Low: 70 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 88. Northwest wind 3 to 8 mph.

    Mostly Sunny

    High: 88 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 70.

    Partly Cloudy

    Low: 70 °F

  • Sunday

    Sunday: Sunny, with a high near 87.

    Sunny

    High: 87 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 71.

    Partly Cloudy

    Low: 71 °F

  • Monday

    Monday: Mostly sunny, with a high near 88.

    Mostly Sunny

    High: 88 °F

Detailed Forecast

This Afternoon
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. South wind 6 to 8 mph. Chance of precipitation is 40%.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. South wind around 7 mph. Chance of precipitation is 30%.
Friday
A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly cloudy, with a high near 91. Heat index values as high as 103. South wind 6 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 88. Northwest wind 3 to 8 mph.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 71.
Monday
Mostly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Click Map For Forecast
Point Forecast:
Annandale VA
 38.82°N 77.21°W (Elev. 331 ft)
10:59 am EDT Aug 17, 2017
12pm EDT Aug 17, 2017-6pm EDT Aug 23, 2017
 
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