East Coast Flash Flood/Severe Thunderstorm Threat Monday

A cold front and waves of low pressure will slowly shift across the Mid-Atlantic and Southeast states Monday and Tuesday. Heavy thunderstorms along this front may produce heavy rain and flash flooding with the highest threat Monday from Tennessee into New England. A few strong to severe thunderstorms are also possible mainly from Northern Maryland to southern New Jersey. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Partly Cloudy

26°C

78°F

Humidity 74%
Wind Speed Calm
Barometer 1011.4 mb (29.87 in)
Dewpoint 21°C (69°F)
Visibility 16 km
Heat Index27°C (80°F)
Last update 22 Jul 5:52 am EDT
Extended Forecast for

3 Miles NE Washington DC

Flash Flood Watch July 22, 03:00pm until July 23, 06:00am
Click here for hazard details and duration
Flash Flood Watch
  • Today

    Today: Showers and thunderstorms, mainly after noon. Some of the storms could produce gusty winds and heavy rain.  High near 34. Heat index values as high as 39. West wind 5 to 10 km/h becoming southwest 13 to 18 km/h in the afternoon. Winds could gust as high as 34 km/h.  Chance of precipitation is 80%. New rainfall amounts between 7.5 mm and 1 cm possible.

    Heavy Rain

    High: 34 °C

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Some of the storms could produce gusty winds and heavy rain.  Low around 21. West wind 10 to 13 km/h.  Chance of precipitation is 80%. New rainfall amounts between 2 and 3 cm possible.

    Heavy Rain

    Low: 21 °C

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before noon, then a chance of showers.  Cloudy, with a high near 27. Northwest wind 10 to 13 km/h.  Chance of precipitation is 70%. New precipitation amounts between 7.5 mm and 1 cm possible.

    Showers
    Likely then
    Chance
    Showers

    High: 27 °C

  • Tuesday
    Night

    Tuesday Night: A slight chance of showers before midnight.  Mostly cloudy, with a low around 18. North wind 5 to 8 km/h.  Chance of precipitation is 20%.

    Slight Chance
    Showers then
    Mostly Cloudy

    Low: 18 °C

  • Wednesday

    Wednesday: Mostly sunny, with a high near 29. North wind 8 to 11 km/h.

    Mostly Sunny

    High: 29 °C

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 18.

    Mostly Clear

    Low: 18 °C

  • Thursday

    Thursday: Sunny, with a high near 30.

    Sunny

    High: 30 °C

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 19.

    Mostly Clear

    Low: 19 °C

  • Friday

    Friday: Sunny, with a high near 31.

    Sunny

    High: 31 °C

Detailed Forecast

Today
Showers and thunderstorms, mainly after noon. Some of the storms could produce gusty winds and heavy rain. High near 34. Heat index values as high as 39. West wind 5 to 10 km/h becoming southwest 13 to 18 km/h in the afternoon. Winds could gust as high as 34 km/h. Chance of precipitation is 80%. New rainfall amounts between 7.5 mm and 1 cm possible.
Tonight
Showers and possibly a thunderstorm. Some of the storms could produce gusty winds and heavy rain. Low around 21. West wind 10 to 13 km/h. Chance of precipitation is 80%. New rainfall amounts between 2 and 3 cm possible.
Tuesday
Showers likely and possibly a thunderstorm before noon, then a chance of showers. Cloudy, with a high near 27. Northwest wind 10 to 13 km/h. Chance of precipitation is 70%. New precipitation amounts between 7.5 mm and 1 cm possible.
Tuesday Night
A slight chance of showers before midnight. Mostly cloudy, with a low around 18. North wind 5 to 8 km/h. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 29. North wind 8 to 11 km/h.
Wednesday Night
Mostly clear, with a low around 18.
Thursday
Sunny, with a high near 30.
Thursday Night
Mostly clear, with a low around 19.
Friday
Sunny, with a high near 31.
Friday Night
Mostly clear, with a low around 20.
Saturday
Sunny, with a high near 32.
Saturday Night
Mostly clear, with a low around 21.
Sunday
Mostly sunny, with a high near 32.
Click Map For Forecast
Point Forecast:
3 Miles NE Washington DC
 38.91°N 76.99°W (Elev. 18 m)
4:31 am EDT Jul 22, 2019
6am EDT Jul 22, 2019-6pm EDT Jul 28, 2019
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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