Heavy Rainfall and Severe Thunderstorms Possible in the Mid-Atlantic and Northeast Today; Dangerous Heat in the Southwest

Scattered severe thunderstorms containing the potential for damaging wind gusts and excessive rainfall are possible from the Mid-Atlantic to southern New England today, with additional thunderstorms and heavy rain possible across parts of the Plains and Middle Mississippi Valley. Heat and humidity remain along the East Coast and Interior Northwest, while dangerous heat builds into the Southwest. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Thunderstorm Heavy Rain

76°F

24°C

Humidity 85%
Wind Speed SW 6 mph
Barometer 30.01 in (1016.1 mb)
Dewpoint 71°F (22°C)
Visibility 4.00 mi
Heat Index77°F (25°C)
Last update 8 Jul 4:52 pm EDT
Extended Forecast for

Reston VA

Severe T-storm Watch until July 8, 09:00pm
Flood Watch July 8, 05:52pm until July 9, 12:00am
Heat Advisory July 8, 05:52pm until July 8, 07:00pm
Click here for hazard details and duration
Severe T-storm Watch
Flood Watch
Heat Advisory
  •  
    Severe T-storm Watch until July 8, 09:00pm
    Flood Watch July 8, 05:52pm until July 9, 12:00am
    Heat Advisory July 8, 05:52pm until July 8, 07:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 86 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 11pm. Some of the storms could be severe.  Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Severe
    Thunderstorms
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 5pm.  Increasing clouds, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 91 °F

    Mostly Sunny
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers.  Mostly cloudy, with a low around 72. Southeast wind around 5 mph becoming light and variable  after midnight.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 72 °F

    T-storms
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Mostly cloudy, with a high near 87. South wind 3 to 5 mph.  Chance of precipitation is 70%.

    High: 87 °F

    Chance
    Showers then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.  Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 90. Chance of precipitation is 60%.

    High: 90 °F

    Partly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.  Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

    Low: 72 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms likely. Some of the storms could be severe. Mostly cloudy, with a steady temperature around 86. West wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 11pm. Some of the storms could be severe. Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely, mainly after 5pm. Increasing clouds, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 72. Southeast wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 87. South wind 3 to 5 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Reston VA
 38.95°N 77.36°W (Elev. 446 ft)
5:48 pm EDT Jul 8, 2025
5pm EDT Jul 8, 2025-6pm EDT Jul 15, 2025
 
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