Threat For Heavy Rainfall And Flash Flooding Continues From The Mid South To The Mid Atlantic; Critical Fire Weather Over The Western U.S.

A slow moving low pressure system will bring a continued threat for heavy rainfall and flooding from portions of the Mid South to the Ohio Valley and Mid Atlantic through midweek. Some areas could see locally significant flooding. Out west,very dry humidity combined with gusty winds will lead to a continued threat for critical fire weather and dry thunderstorms. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Overcast

20°C

68°F

Humidity 90%
Wind Speed E 7 km/h
Barometer 1025.2 mb (30.28 in)
Dewpoint 18°C (65°F)
Visibility 16 km
Last update 25 Sep 2:52 am EDT
Extended Forecast for

Chevy Chase MD

  • Overnight

    Overnight: Showers likely with areas of drizzle.  Patchy fog.  Otherwise, cloudy, with a low around 16. East wind around 16 km/h.  Chance of precipitation is 70%. New precipitation amounts between 1 and 2.5 mm possible.

    Showers
    Likely and
    Patchy Fog

    Low: 16 °C

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm.  Patchy fog before 11am.  Otherwise, cloudy, with a high near 26. Southeast wind around 11 km/h becoming south in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.

    Showers
    Likely and
    Patchy Fog

    High: 26 °C

  • Tuesday
    Night

    Tuesday Night: Scattered showers and thunderstorms before 8pm, then isolated showers after 5am.  Patchy fog after 11pm.  Otherwise, cloudy, with a low around 20. Southeast wind 8 to 10 km/h.  Chance of precipitation is 30%.

    Scattered
    Showers and
    Patchy Fog
    then Patchy
    Fog

    Low: 20 °C

  • Wednesday

    Wednesday: Isolated showers, then showers likely and possibly a thunderstorm after 2pm.  Patchy fog before 11am.  Otherwise, mostly cloudy, with a high near 29. South wind 10 to 13 km/h.  Chance of precipitation is 70%. New rainfall amounts between 5 and 7.5 mm possible.

    Isolated
    Showers and
    Patchy Fog
    then Showers
    Likely

    High: 29 °C

  • Wednesday
    Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am.  Cloudy, with a low around 15. Northwest wind 11 to 14 km/h.  Chance of precipitation is 60%.

    Showers
    Likely

    Low: 15 °C

  • Thursday

    Thursday: A chance of showers.  Mostly cloudy, with a high near 21. Chance of precipitation is 40%.

    Chance
    Showers

    High: 21 °C

  • Thursday
    Night

    Thursday Night: A chance of showers.  Cloudy, with a low around 15. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 15 °C

  • Friday

    Friday: Partly sunny, with a high near 24.

    Partly Sunny

    High: 24 °C

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 15.

    Partly Cloudy

    Low: 15 °C

Detailed Forecast

Overnight
Showers likely with areas of drizzle. Patchy fog. Otherwise, cloudy, with a low around 16. East wind around 16 km/h. Chance of precipitation is 70%. New precipitation amounts between 1 and 2.5 mm possible.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Patchy fog before 11am. Otherwise, cloudy, with a high near 26. Southeast wind around 11 km/h becoming south in the afternoon. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.
Tuesday Night
Scattered showers and thunderstorms before 8pm, then isolated showers after 5am. Patchy fog after 11pm. Otherwise, cloudy, with a low around 20. Southeast wind 8 to 10 km/h. Chance of precipitation is 30%.
Wednesday
Isolated showers, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 29. South wind 10 to 13 km/h. Chance of precipitation is 70%. New rainfall amounts between 5 and 7.5 mm possible.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Cloudy, with a low around 15. Northwest wind 11 to 14 km/h. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 21. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Cloudy, with a low around 15. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 24.
Friday Night
Partly cloudy, with a low around 15.
Saturday
Mostly sunny, with a high near 24.
Saturday Night
Partly cloudy, with a low around 16.
Sunday
Mostly sunny, with a high near 24.
Sunday Night
Partly cloudy, with a low around 16.
Monday
Mostly sunny, with a high near 25.
Click Map For Forecast
Point Forecast:
Chevy Chase MD
 38.98°N 77.09°W (Elev. 105 m)
2:51 am EDT Sep 25, 2018
3am EDT Sep 25, 2018-6pm EDT Oct 1, 2018
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database