National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 / Martin (KMTN)

Lat: 39.33°NLon: 76.42°WElev: 23ft.

Light Drizzle

59°F

15°C

Humidity 88%
Wind Speed Calm
Barometer 30.25 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 21 May 7:46 pm EDT
Extended Forecast for

Dundalk MD

  • Tonight

    Tonight: Showers likely, mainly before midnight. Cloudy, with a low around 55. Northeast wind 9 to 11 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly after 11am. Cloudy, with a high near 63. East wind 11 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers. Low around 53. East wind 11 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 5pm. High near 62. East wind 14 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 55. East wind 8 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.

    Low: 55 °F

    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.

    High: 73 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.

    Low: 61 °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

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers likely, mainly before midnight. Cloudy, with a low around 55. Northeast wind 9 to 11 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers likely, mainly after 11am. Cloudy, with a high near 63. East wind 11 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers. Low around 53. East wind 11 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers, with thunderstorms also possible after 5pm. High near 62. East wind 14 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 55. East wind 8 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Sunday
A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
Sunday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
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 63. Chance of precipitation is 50%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 64.
Wednesday
Mostly cloudy, with a high near 83.
Wednesday Night
Mostly cloudy, with a low around 64.
Thursday
Partly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dundalk MD
 39.26°N 76.5°W (Elev. 3 ft)
Last Update:
7:53 pm EDT May 21, 2026
Forecast Valid:
8pm 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