Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms are possible from the Ohio Valley to the central Plains this evening, and the threat will expand into the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Alaska through this evening and for the Four Corners region through Monday. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

81°F

27°C

Humidity 39%
Wind Speed NW 6 mph
Barometer 29.93 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 21 Jun 6:55 pm EDT
Extended Forecast for

2 Miles WSW Charlestown MD

  • Tonight

    Tonight: Increasing clouds, with a low around 67. West wind around 5 mph becoming calm  in the evening.

    Low: 67 °F

    Increasing
    Clouds

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm.  High near 86. East wind 5 to 14 mph becoming south in the afternoon. Winds could gust as high as 24 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Partly Sunny
    then Showers

  • Monday Night

    Monday Night: Showers and thunderstorms, mainly before midnight.  Low around 68. South wind around 6 mph becoming light and variable  in the evening.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 80. North wind 5 to 9 mph.  Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. North wind around 6 mph.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 85. Chance of precipitation is 20%.

    High: 85 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly after 8pm.  Mostly cloudy, with a low around 68. Chance of precipitation is 50%.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Increasing clouds, with a low around 67. West wind around 5 mph becoming calm in the evening.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 86. East wind 5 to 14 mph becoming south in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms, mainly before midnight. Low around 68. South wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
A slight chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. North wind 5 to 9 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 63. North wind around 6 mph.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 20%.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Charlestown MD
 39.56°N 76.01°W (Elev. 69 ft)
4:52 pm EDT Jun 21, 2026
7pm EDT Jun 21, 2026-6pm EDT Jun 28, 2026
 
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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