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Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Current conditions at

College Park Airport (KCGS)

Lat: 38.98°NLon: 76.92°WElev: 49ft.

Fair

82°F

28°C

Humidity 58%
Wind Speed S 3 mph
Barometer 30.13 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 18 May 11:15 pm EDT
Extended Forecast for

Chevy Chase MD

  • Overnight

    Overnight: Mostly clear, with a low around 72. Southwest wind around 7 mph.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 96. Southwest wind 5 to 8 mph. Chance of precipitation is 20%.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74. South wind around 8 mph, with gusts as high as 18 mph.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm after 2pm. High near 95. West wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 95 °F

    Sunny then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 58. North wind 6 to 8 mph. Chance of precipitation is 80%.

    Low: 58 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 8am. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers. Low around 53. Chance of precipitation is 80%.

    Low: 53 °F

    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 72. Southwest wind around 7 mph.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 96. Southwest wind 5 to 8 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 74. South wind around 8 mph, with gusts as high as 18 mph.
Wednesday
Showers and possibly a thunderstorm after 2pm. High near 95. West wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 58. North wind 6 to 8 mph. Chance of precipitation is 80%.
Thursday
Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Thursday Night
A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Friday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Friday Night
Showers. Low around 53. Chance of precipitation is 80%.
Saturday
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chevy Chase MD
 38.98°N 77.09°W (Elev. 344 ft)
Last Update:
10:53 pm EDT May 18, 2026
Forecast Valid:
12am EDT May 19, 2026-6pm EDT May 25, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation