National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Critical Fire Weather Threats in the West; Storms in the High Plains; Flash Flood Risk in the Mid-Atlantic

Critical fire weather conditions persist across portions of the Northwest, Northern Rockies and Great Basin. Severe thunderstorms with large hail and a few strong gusts are possible across parts of the northern and central Plains. Heavy rainfall brings a flash flooding risk to the Mid-Atlantic. Heat builds in the Southwest into California this week. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Mostly Cloudy

80°F

27°C

Humidity 82%
Wind Speed S 5 mph
Barometer 29.97 in (1014.9 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 12 Aug 2:52 am EDT
Extended Forecast for

Alexandria VA

Flash Flood Watch August 12, 12:00pm until August 12, 11:00pm
Click here for hazard details and duration
Flash Flood Watch

  • Overnight

    Overnight: Mostly cloudy, with a low around 75. Southwest wind around 5 mph.

    Mostly Cloudy

    Low: 75 °F

  • Wednesday

    Wednesday: Showers and thunderstorms likely after 3pm. Partly sunny, with a high near 91. Heat index values as high as 100. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Partly Sunny
    then T-storms
    Likely

    High: 91 °F

  • Wednesday
    Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 73. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    T-storms
    Likely

    Low: 73 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and noon, then showers and thunderstorms likely after noon. Patchy fog before 9am. Otherwise, cloudy, with a high near 84. East wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Showers
    Likely and
    Patchy Fog
    then T-storms
    Likely

    High: 84 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. East wind around 6 mph becoming calm after midnight. Chance of precipitation is 50%.

    Chance
    T-storms then
    Chance
    Showers

    Low: 71 °F

  • Friday

    Friday: A chance of showers, then showers and thunderstorms likely after noon. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.

    Chance
    Showers then
    T-storms
    Likely

    High: 86 °F

  • Friday
    Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 71 °F

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.

    Showers
    Likely

    High: 83 °F

  • Saturday
    Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 69 °F

Detailed Forecast

Overnight
Mostly cloudy, with a low around 75. Southwest wind around 5 mph.
Wednesday
Showers and thunderstorms likely after 3pm. Partly sunny, with a high near 91. Heat index values as high as 100. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 73. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and noon, then showers and thunderstorms likely after noon. Patchy fog before 9am. Otherwise, cloudy, with a high near 84. East wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. East wind around 6 mph becoming calm after midnight. Chance of precipitation is 50%.
Friday
A chance of showers, then showers and thunderstorms likely after noon. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Alexandria VA
 38.83°N 77.09°W (Elev. 249 ft)
Last Update:
1:31 am EDT Aug 12, 2020
Forecast Valid:
3am EDT Aug 12, 2020-6pm EDT Aug 18, 2020
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation