Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Hazardous Weather Conditions

Current conditions at

Baltimore, Baltimore-Washington International Airport (KBWI)

Lat: 39.17°NLon: 76.68°WElev: 135ft.

A Few Clouds

71°F

22°C

Humidity 79%
Wind Speed SW 5 mph
Barometer 30.01 in (1016.1 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 20 May 4:54 am EDT
Extended Forecast for

Ellicott City MD

  • Today

    Today: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm.  Increasing clouds, with a high near 95. West wind 3 to 8 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 95 °F

    Sunny then
    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then a chance of showers after 11pm.  Mostly cloudy, with a low around 56. North wind 3 to 6 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 2pm, then showers likely.  High near 66. Northeast wind around 8 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly after 8pm.  Mostly cloudy, with a low around 51. Light northeast wind.  Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    Showers

  • Friday

    Friday: Showers.  High near 62. East wind 7 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%.

    High: 62 °F

    Showers

  • Friday Night

    Friday Night: Showers.  Low around 48. Chance of precipitation is 90%.

    Low: 48 °F

    Showers

  • Saturday

    Saturday: Showers.  High near 63. Chance of precipitation is 90%.

    High: 63 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 2am.  Cloudy, with a low around 52. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 2pm.  Mostly cloudy, with a high near 69. Chance of precipitation is 40%.

    High: 69 °F

    Chance
    Showers

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 95. West wind 3 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 56. North wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm before 2pm, then showers likely. High near 66. Northeast wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers, mainly after 8pm. Mostly cloudy, with a low around 51. Light northeast wind. Chance of precipitation is 50%.
Friday
Showers. High near 62. East wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Friday Night
Showers. Low around 48. Chance of precipitation is 90%.
Saturday
Showers. High near 63. Chance of precipitation is 90%.
Saturday Night
Showers likely, mainly before 2am. Cloudy, with a low around 52. Chance of precipitation is 60%.
Sunday
A chance of showers before 2pm. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.
Sunday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 80. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Ellicott City MD
 39.27°N 76.84°W (Elev. 397 ft)
4:53 am EDT May 20, 2026
5am EDT May 20, 2026-6pm EDT May 26, 2026
 
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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