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

Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Carroll County Regional Jack B Poage Field (KDMW)

Lat: 39.61°NLon: 77.01°WElev: 789ft.

Light Rain

75°F

24°C

Humidity 83%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 5 Jul 12:55 am EDT
Extended Forecast for

Maryland Line MD

  • Overnight

    Overnight: Scattered showers and thunderstorms. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%.

    Low: 71 °F

    Scattered
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Heat index values as high as 100. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 91 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 3am, then a chance of showers and thunderstorms after 3am. Some of the storms could produce heavy rainfall. Low around 66. North wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 66 °F

    Heavy Rain

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 79. East wind 3 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Showers then
    T-storms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 64. Northeast wind around 6 mph. Chance of precipitation is 90%.

    Low: 64 °F

    T-storms then
    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Overnight
Scattered showers and thunderstorms. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Heat index values as high as 100. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 40%.
Sunday Night
Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 3am, then a chance of showers and thunderstorms after 3am. Some of the storms could produce heavy rainfall. Low around 66. North wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 79. East wind 3 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 64. Northeast wind around 6 mph. Chance of precipitation is 90%.
Tuesday
Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 20%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Maryland Line MD
 39.68°N 76.71°W (Elev. 709 ft)
Last Update:
1:03 am EDT Jul 5, 2026
Forecast Valid:
1am EDT Jul 5, 2026-6pm EDT Jul 11, 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