Dangerous heat and humidity from the central U.S. to East Coast this weekend

Hot and very humid conditions will push the heat index to well over 100 degrees across a large portion of the central and eastern U.S. Excessive Heat Warnings and Heat Advisories are in effect for much of the Plains, Miss. Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Be very cautious if you must do outdoor activities in these areas during the afternoon and evening this weekend. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

A Few Clouds

27°C

81°F

Humidity 72%
Wind Speed NW 11 km/h
Barometer 1014.0 mb (29.95 in)
Dewpoint 22°C (71°F)
Visibility 16 km
Heat Index29°C (85°F)
Last update 23 Jul 6:52 am EDT
Extended Forecast for

Washington DC

Heat Advisory July 23, 12:00pm until July 23, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: A slight chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 37. Heat index values as high as 41. West wind 10 to 13 km/h.  Chance of precipitation is 20%.

    Sunny then
    Slight Chance
    T-storms

    High: 37 °C

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 11pm.  Partly cloudy, with a low around 24. West wind 8 to 10 km/h.  Chance of precipitation is 20%.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 24 °C

  • Sunday

    Sunday: Sunny and hot, with a high near 36. North wind 8 to 10 km/h becoming southeast in the afternoon.

    Hot

    High: 36 °C

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 25. Southeast wind 5 to 10 km/h.

    Partly Cloudy

    Low: 25 °C

  • Monday

    Monday: A chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny and hot, with a high near 37. Southwest wind 5 to 13 km/h.  Chance of precipitation is 30%.

    Chance
    T-storms

    High: 37 °C

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 26. Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 26 °C

  • Tuesday

    Tuesday: A chance of showers and thunderstorms.  Partly sunny and hot, with a high near 36. Chance of precipitation is 30%.

    Chance
    T-storms

    High: 36 °C

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 25. Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 25 °C

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35.

    Mostly Sunny

    High: 35 °C

Detailed Forecast

Today
A slight chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 37. Heat index values as high as 41. West wind 10 to 13 km/h. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 24. West wind 8 to 10 km/h. Chance of precipitation is 20%.
Sunday
Sunny and hot, with a high near 36. North wind 8 to 10 km/h becoming southeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 25. Southeast wind 5 to 10 km/h.
Monday
A chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 37. Southwest wind 5 to 13 km/h. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Partly sunny and hot, with a high near 36. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 35.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 35. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 33. Chance of precipitation is 40%.
Click Map For Forecast
Point Forecast:
Washington DC
 38.89°N 77.02°W (Elev. 6 m)
5:34 am EDT Jul 23, 2016
7am EDT Jul 23, 2016-6pm EDT Jul 29, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database