Heat and Flood Threats for Monday

Dangerous heat will impact portions the Northwest, Northeast, and the Lower Mississippi River Valley Monday. Organized areas of monsoonal showers and thunderstorms may result in flash flooding and debris flows from the Four Corners region into the Southwest. A stalled cold front will lead to unsettled conditions from the Mississippi and Ohio River Valleys to the Northeast through Wednesday. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Fair

81°F

27°C

Humidity 77%
Wind Speed S 9 mph
Barometer 30.11 in (1019.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 8 Aug 12:52 am EDT
Extended Forecast for

McLean VA

  • Overnight

    Overnight: Partly cloudy, with a low around 75. South wind around 6 mph.

    Partly Cloudy

    Low: 75 °F

  • Monday

    Monday: A chance of showers and thunderstorms after 2pm.  Sunny, with a high near 93. Heat index values as high as 101. Southwest wind 6 to 8 mph.  Chance of precipitation is 30%.

    Sunny then
    Chance
    T-storms

    High: 93 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am.  Partly cloudy, with a low around 75. Southwest wind around 6 mph.  Chance of precipitation is 30%.

    Chance
    T-storms then
    Slight Chance
    Showers

    Low: 75 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm.  Sunny, with a high near 94. Heat index values as high as 102. Southwest wind around 6 mph.  Chance of precipitation is 40%.

    Sunny then
    Chance
    T-storms

    High: 94 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 75. West wind around 5 mph becoming calm  after midnight.  Chance of precipitation is 30%.

    Chance
    T-storms then
    Chance
    Showers

    Low: 75 °F

  • Wednesday

    Wednesday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm.  High near 90. Chance of precipitation is 80%.

    Slight Chance
    T-storms then
    Showers

    High: 90 °F

  • Wednesday
    Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am.  Low around 71. Chance of precipitation is 80%.

    Showers then
    Chance
    T-storms

    Low: 71 °F

  • Thursday

    Thursday: A chance of showers before 2pm.  Mostly sunny, with a high near 86. Chance of precipitation is 30%.

    Chance
    Showers

    High: 86 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 67.

    Mostly Clear

    Low: 67 °F

Detailed Forecast

Overnight
Partly cloudy, with a low around 75. South wind around 6 mph.
Monday
A chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Heat index values as high as 101. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 75. Southwest wind around 6 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Heat index values as high as 102. Southwest wind around 6 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. West wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.
Wednesday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 90. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 71. Chance of precipitation is 80%.
Thursday
A chance of showers before 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Mostly sunny, with a high near 85.
Click Map For Forecast
Point Forecast:
McLean VA
 38.93°N 77.19°W (Elev. 299 ft)
10:29 pm EDT Aug 7, 2022
1am EDT Aug 8, 2022-6pm EDT Aug 14, 2022
 
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Additional Resources

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