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

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 >

Current conditions at

Baltimore / Martin (KMTN)

Lat: 39.33°NLon: 76.42°WElev: 23ft.

Fair

79°F

26°C

Humidity 65%
Wind Speed S 16 G 21 mph
Barometer 29.78 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 17 Jun 9:54 pm EDT
Extended Forecast for

Perry Hall MD

  • Tonight

    Tonight: Mostly cloudy, with a low around 70. South wind around 9 mph, with gusts as high as 18 mph.

    Low: 70 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 94. Breezy, with a southwest wind 15 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.

    High: 94 °F

    Breezy.
    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 68. West wind 6 to 13 mph, with gusts as high as 24 mph.

    Low: 68 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: Mostly cloudy through mid morning, then gradual clearing, with a high near 84. West wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 84 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63.

    Low: 63 °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. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 70. South wind around 9 mph, with gusts as high as 18 mph.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 94. Breezy, with a southwest wind 15 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 68. West wind 6 to 13 mph, with gusts as high as 24 mph.
Juneteenth
Mostly cloudy through mid morning, then gradual clearing, with a high near 84. West wind 7 to 13 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 63. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Monday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Perry Hall MD
 39.41°N 76.5°W (Elev. 282 ft)
Last Update:
7:53 pm EDT Jun 17, 2026
Forecast Valid:
10pm EDT Jun 17, 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