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Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Hazardous Weather Conditions

Current conditions at

Baltimore, Inner Harbor (KDMH)

Lat: 39.28°NLon: 76.62°WElev: 20ft.

76°F

24°C

Humidity 69%
Wind Speed NA
Barometer 29.68 in (1004.9 mb)
Dewpoint 65°F (18°C)
Visibility NA
Heat Index78°F (26°C)
Last update 18 Jun 6:53 am EDT
Extended Forecast for

Gwynn Oak MD

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 93. Breezy, with a west wind 13 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.

    High: 93 °F

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: A chance of showers, mainly after 5am. Increasing clouds, with a low around 67. West wind 5 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Partly Cloudy
    then Chance
    Showers

  • Juneteenth

    Juneteenth: A chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 83. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84. West wind 8 to 15 mph, with gusts as high as 25 mph.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms before 8am, then showers likely between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 85. Chance of precipitation is 80%.

    High: 85 °F

    Showers

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 93. Breezy, with a west wind 13 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
Tonight
A chance of showers, mainly after 5am. Increasing clouds, with a low around 67. West wind 5 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Juneteenth
A chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 83. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 62. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 84. West wind 8 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms before 8am, then showers likely between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 85. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 62. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gwynn Oak MD
 39.33°N 76.72°W (Elev. 374 ft)
Last Update:
4:53 am EDT Jun 18, 2026
Forecast Valid:
7am EDT Jun 18, 2026-6pm EDT Jun 24, 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