Massive Heat Wave; Severe Storms and Heavy Rain

A massive heat wave is consuming much of the Midwest into the Southern tier of the U.S. with hazy, hot and humid conditions. These dangerous conditions will likely persist through Thursday as widespread excessive heat warnings and heat advisories are in effect. North and east of the heat and area of high pressure, thunderstorms with damaging and severe winds, large hail and heavy rain are likely. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

71°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 29.90 in (1012.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 6 Jul 5:52 am EDT
Extended Forecast for

Reston VA

Flood Watch July 6, 03:00pm until July 7, 03:00am
Click here for hazard details and duration
Flood Watch
  • Today

    Today: Scattered showers before 2pm, then scattered showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rain.  Partly sunny, with a high near 88. Northwest wind 3 to 8 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Isolated
    Showers then
    Heavy Rain

    High: 88 °F

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 8pm, then showers and thunderstorms likely, mainly between 8pm and 11pm. Some of the storms could produce heavy rain.  Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 73. Northeast wind around 5 mph becoming calm  after midnight.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain
    and Patchy
    Fog

    Low: 73 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.  Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 82. Calm wind becoming northeast around 6 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms and
    Patchy Fog
    then Showers
    Likely

    High: 82 °F

  • Thursday
    Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm.  Mostly cloudy, with a low around 72. Calm wind becoming east around 5 mph after midnight.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely then
    Chance
    T-storms

    Low: 72 °F

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 83. Northwest wind around 6 mph.  Chance of precipitation is 70%.

    Chance
    Showers then
    Showers
    Likely

    High: 83 °F

  • Friday
    Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm.  Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

    Showers
    Likely then
    Chance
    T-storms

    Low: 70 °F

  • Saturday

    Saturday: A chance of showers.  Partly sunny, with a high near 79. Chance of precipitation is 40%.

    Chance
    Showers

    High: 79 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 62.

    Partly Cloudy

    Low: 62 °F

  • Sunday

    Sunday: Sunny, with a high near 79.

    Sunny

    High: 79 °F

Detailed Forecast

Today
Scattered showers before 2pm, then scattered showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rain. Partly sunny, with a high near 88. Northwest wind 3 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 8pm, then showers and thunderstorms likely, mainly between 8pm and 11pm. Some of the storms could produce heavy rain. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 73. Northeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 82. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 72. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 83. Northwest wind around 6 mph. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Saturday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Mostly sunny, with a high near 88.
Click Map For Forecast
Point Forecast:
Reston VA
 38.97°N 77.36°W (Elev. 430 ft)
6:13 am EDT Jul 6, 2022
6am EDT Jul 6, 2022-6pm EDT Jul 12, 2022
 
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Additional Resources

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