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

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Current conditions at

Baltimore, Inner Harbor (KDMH)

Lat: 39.28°NLon: 76.62°WElev: 20ft.

84°F

29°C

Humidity 44%
Wind Speed NA
Barometer 29.77 in (1008.0 mb)
Dewpoint 60°F (16°C)
Visibility NA
Heat Index84°F (29°C)
Last update 17 Jun 1:53 pm EDT
Extended Forecast for

Dundalk MD

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 87. Southeast wind 9 to 13 mph.

    High: 87 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 72. South wind around 8 mph.

    Low: 72 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 95. Heat index values as high as 100. Southwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 95 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 8pm, then a chance of showers after 2am. Partly cloudy during the early evening, then becoming cloudy, with a low around 71. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 71 °F

    Mostly Cloudy
    then Chance
    Showers

  • Juneteenth

    Juneteenth: A chance of showers before 8am. Mostly sunny, with a high near 88. Northwest wind 5 to 11 mph. Chance of precipitation is 30%.

    High: 88 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 87. Southeast wind 9 to 13 mph.
Tonight
Increasing clouds, with a low around 72. South wind around 8 mph.
Thursday
A chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 95. Heat index values as high as 100. Southwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Thursday Night
A slight chance of showers and thunderstorms before 8pm, then a chance of showers after 2am. Partly cloudy during the early evening, then becoming cloudy, with a low around 71. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Juneteenth
A chance of showers before 8am. Mostly sunny, with a high near 88. Northwest wind 5 to 11 mph. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 66.
Saturday
Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 87.
Sunday Night
A slight chance of showers and thunderstorms, then a chance of showers after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 88. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dundalk MD
 39.28°N 76.5°W (Elev. 20 ft)
Last Update:
1:55 pm EDT Jun 17, 2026
Forecast Valid:
2pm EDT Jun 17, 2026-6pm EDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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