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Severe Thunderstorm and Excessive Rainfall Potential for the Central U.S. Today

Severe thunderstorms with a threat for large hail, isolated damaging winds and possibly a tornado are expected in parts of eastern Colorado today from mid afternoon to early evening. Several days of heavy rainfall will begin today over the western Gulf Coast where Flood Watches and excessive rainfall outlooks have been issued for today, Saturday, and Sunday. Read More >

Current conditions at

Baltimore, Baltimore-Washington International Airport (KBWI)

Lat: 39.17°NLon: 76.68°WElev: 135ft.

Overcast

59°F

15°C

Humidity 78%
Wind Speed E 14 G 23 mph
Barometer 30.18 in (1021.9 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 21 May 4:54 pm EDT
Extended Forecast for

Ellicott City MD

  • This Afternoon

    This Afternoon: Showers likely. Cloudy, with a high near 62. Northeast wind around 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers, mainly before 5am. Low around 51. Northeast wind 7 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 51 °F

    Showers

  • Friday

    Friday: Rain likely, mainly between 11am and 5pm, then showers likely after 5pm. Cloudy, with a high near 61. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Rain Likely

  • Friday Night

    Friday Night: Showers likely before 11pm, then rain after 11pm. Low around 48. East wind 9 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Rain

  • Saturday

    Saturday: Rain. High near 60. East wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.

    High: 60 °F

    Rain

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 51. Chance of precipitation is 100%.

    Low: 51 °F

    Showers

  • Sunday

    Sunday: A chance of showers before 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 40%.

    High: 73 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.

    Low: 57 °F

    Chance
    Showers

  • Memorial Day

    Memorial Day: A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.

    High: 71 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Showers likely. Cloudy, with a high near 62. Northeast wind around 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers, mainly before 5am. Low around 51. Northeast wind 7 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain likely, mainly between 11am and 5pm, then showers likely after 5pm. Cloudy, with a high near 61. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers likely before 11pm, then rain after 11pm. Low around 48. East wind 9 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain. High near 60. East wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Saturday Night
Showers and possibly a thunderstorm. Low around 51. Chance of precipitation is 100%.
Sunday
A chance of showers before 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 40%.
Sunday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 60.
Wednesday
Mostly cloudy, with a high near 81.
Wednesday Night
Mostly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ellicott City MD
 39.27°N 76.84°W (Elev. 397 ft)
Last Update:
4:53 pm EDT May 21, 2026
Forecast Valid:
5pm EDT May 21, 2026-6pm EDT May 28, 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