Dangerously Excessive Heat and Humidity Continues from the Midwest and Eastward

Oppressive heat and humidity will continue through Saturday from the Midwest to the East Coast. The Midwest will get a slight reprieve on Sunday as a cold front moves through the area, while excessive heat continues in the East. In addition, strong to severe storms will bring potential for damaging winds, hail, and heavy rain on Saturday. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Partly Cloudy

29°C

85°F

Humidity 77%
Wind Speed S 11 km/h
Barometer 1012.7 mb (29.91 in)
Dewpoint 25°C (77°F)
Visibility 16 km
Heat Index36°C (96°F)
Last update 20 Jul 12:52 am EDT
Extended Forecast for

Cabin John Brookmont MD

Excessive Heat Watch July 21, 11:00am until July 21, 09:00pm
Excessive Heat Warning July 20, 11:00am until July 20, 09:00pm
Click here for hazard details and duration
Excessive Heat Watch
Excessive Heat Warning
  • Overnight

    Overnight: Mostly clear, with a low around 27. West wind around 8 km/h.

    Mostly Clear

    Low: 27 °C

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 38. Heat index values as high as 43. West wind 8 to 11 km/h.

    Hot

    High: 38 °C

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 27. Southwest wind 6 to 11 km/h becoming light west  after midnight.

    Partly Cloudy

    Low: 27 °C

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 38. Heat index values as high as 42. West wind 8 to 11 km/h.  Chance of precipitation is 30%.

    Mostly Sunny
    then Chance
    T-storms

    High: 38 °C

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 25. West wind 3 to 8 km/h.  Chance of precipitation is 40%.

    Chance
    T-storms

    Low: 25 °C

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 8am.  Mostly cloudy, with a high near 32. Chance of precipitation is 70%.

    T-storms
    Likely

    High: 32 °C

  • Monday
    Night

    Monday Night: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 21. Chance of precipitation is 70%.

    Showers
    Likely

    Low: 21 °C

  • Tuesday

    Tuesday: Showers likely.  Mostly cloudy, with a high near 28. Chance of precipitation is 60%.

    Showers
    Likely

    High: 28 °C

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 18.

    Partly Cloudy

    Low: 18 °C

Detailed Forecast

Overnight
Mostly clear, with a low around 27. West wind around 8 km/h.
Saturday
Mostly sunny and hot, with a high near 38. Heat index values as high as 43. West wind 8 to 11 km/h.
Saturday Night
Partly cloudy, with a low around 27. Southwest wind 6 to 11 km/h becoming light west after midnight.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 38. Heat index values as high as 42. West wind 8 to 11 km/h. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 25. West wind 3 to 8 km/h. Chance of precipitation is 40%.
Monday
Showers and thunderstorms likely, mainly after 8am. Mostly cloudy, with a high near 32. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 21. Chance of precipitation is 70%.
Tuesday
Showers likely. Mostly cloudy, with a high near 28. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 18.
Wednesday
Mostly sunny, with a high near 29.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
Sunny, with a high near 31.
Thursday Night
Mostly clear, with a low around 20.
Friday
Mostly sunny, with a high near 31.
Click Map For Forecast
Point Forecast:
Cabin John Brookmont MD
 38.95°N 77.16°W (Elev. 76 m)
10:30 pm EDT Jul 19, 2019
1am EDT Jul 20, 2019-6pm EDT Jul 26, 2019
 
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Additional Resources

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