Wildfire Smoke and Severe Thunderstorms in the East; Monsoon Thunderstorms in the Southwest

Wildfire smoke continues to impact air quality from the Great Lakes region into New England and the Mid-Atlantic today with widespread Air Quality Alerts in effect. Severe thunderstorms are expected across portions of the Ohio Valley and Lower Great Lakes into the Mid-Atlantic and Northeast, this afternoon into the evening. Monsoonal thunderstorms may bring areas of flooding to the Southwest. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Smoke

84°F

29°C

Humidity 74%
Wind Speed S 9 mph
Barometer 29.93 in (1013.4 mb)
Dewpoint 75°F (24°C)
Visibility 2.50 mi
Heat Index92°F (33°C)
Last update 18 Jul 10:52 am EDT
Extended Forecast for

Washington DC

Heat Advisory until July 18, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 18, 07:00pm

    NOW until 7:00pm Sat

    Heat Advisory

  • Today

    High: 96 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 7pm. Some of the storms could be severe.  Mostly cloudy, with a low around 75. West wind 3 to 6 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 75 °F

    Severe
    Thunderstorms
    then Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 88. North wind 6 to 8 mph.

    High: 88 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69. North wind around 5 mph becoming calm  in the evening.

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm.  Mostly sunny, with a high near 87. Light and variable wind becoming southeast around 6 mph in the morning.  Chance of precipitation is 30%.

    High: 87 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 71. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 90. Chance of precipitation is 70%.

    High: 90 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers.  Low around 73. Chance of precipitation is 80%.

    Low: 73 °F

    Showers

Detailed Forecast

Today
Showers and thunderstorms likely after 2pm. Some of the storms could be severe. Areas of smoke before 2pm. Mostly cloudy, with a high near 96. Heat index values as high as 106. Southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 7pm. Some of the storms could be severe. Mostly cloudy, with a low around 75. West wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 88. North wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 69. North wind around 5 mph becoming calm in the evening.
Monday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 87. Light and variable wind becoming southeast around 6 mph in the morning. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Tuesday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 90. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 73. Chance of precipitation is 80%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 66.
Friday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Washington DC
 38.89°N 77.02°W (Elev. 20 ft)
10:52 am EDT Jul 18, 2026
11am EDT Jul 18, 2026-6pm EDT Jul 24, 2026
 
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Additional Resources

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