Heat and Fire Weather Concerns West; Heavy Rain and Thunderstorms from Plains to mid-Atlantic

Thunderstorms and locally heavy rainfall is expected from the Central Plains to the Ohio Valley, mid-Atlantic and across the Southeast. Severe weather from the Upper Midwest to Central Plains increases on Friday. Major to Extreme HeatRisk continues across the Southern Plains to the lower Mississippi Valley late this week. Fire weather concerns for the northern Rockies and northern Plains today. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

A Few Clouds

85°F

29°C

Humidity 63%
Wind Speed NW 6 mph
Barometer 29.92 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 10 Sep 1:55 pm EDT
Extended Forecast for

Charlestown MD

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 87. West wind around 6 mph.

    High: 87 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 2am.  Mostly cloudy, with a low around 67. Calm wind.  Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 81. North wind 3 to 6 mph.

    High: 81 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm.  Partly sunny, with a high near 81. Light and variable wind becoming southeast 5 to 7 mph in the morning.  Chance of precipitation is 30%.

    High: 81 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm.  Mostly cloudy, with a low around 68. Chance of precipitation is 70%.

    Low: 68 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 83. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 87. West wind around 6 mph.
Tonight
A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 81. North wind 3 to 6 mph.
Friday Night
Partly cloudy, with a low around 62. Calm wind.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 81. Light and variable wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
Sunday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Charlestown MD
 39.58°N 75.98°W (Elev. 26 ft)
10:53 am EDT Sep 10, 2026
2pm EDT Sep 10, 2026-6pm EDT Sep 16, 2026
 
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Additional Resources

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Hourly Weather Forecast

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