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Severe weather possible for parts of eastern, north-central and southwestern U.S.

The NWS Storm Prediction Center is forecasting a risk of severe thunderstorms Tuesday afternoon across a large portion of the eastern U.S. from the Mid-Atlantic & Ohio Valley into the Deep South. Severe thunderstorms are also possible across parts of the northern Plains & southern Ariz. Damaging wind gusts & large hail will be the main threats with severe thunderstorms that develop in these areas.
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Hazardous Weather Conditions

Current conditions at

Frederick, Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 302ft.

Mostly Cloudy

79°F

26°C

Humidity 79%
Wind Speed Calm
Barometer 29.82 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 30 Jun 6:57 pm EDT
Extended Forecast for

2 Miles ESE Boonsboro MD

  • Tonight

    Chance Thunderstorms Chance for Measurable Precipitation 50%

    Chance
    Thunderstorms

    Low: 64 °F

  • Wednesday

    Chance Thunderstorms Chance for Measurable Precipitation 30%

    Chance
    Thunderstorms

    High: 81 °F

  • Wednesday
    Night

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    Low: 63 °F

  • Thursday

    Chance Showers Chance for Measurable Precipitation 30%

    Chance
    Showers

    High: 78 °F

  • Thursday
    Night

    Showers Likely Chance for Measurable Precipitation 60%

    Showers
    Likely

    Low: 63 °F

  • Friday

    Chance Showers Chance for Measurable Precipitation 30%

    Chance
    Showers

    High: 76 °F

  • Friday
    Night

    Chance Showers Chance for Measurable Precipitation 40%

    Chance
    Showers

    Low: 63 °F

  • Independence
    Day

    Chance Thunderstorms Chance for Measurable Precipitation 50%

    Chance
    Thunderstorms

    High: 78 °F

  • Saturday
    Night

    Mostly Cloudy

    Mostly
    Cloudy

    Low: 64 °F

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 3am, then a slight chance of showers. Mostly cloudy, with a low around 64. Light and variable wind becoming west around 5 mph after midnight. Chance of precipitation is 50%.
Wednesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. West wind 6 to 13 mph. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 63. North wind 5 to 7 mph. Chance of precipitation is 20%.
Thursday
A chance of showers after noon. Partly sunny, with a high near 78. North wind around 5 mph becoming light and variable in the morning. Chance of precipitation is 30%.
Thursday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 63. Northeast wind 5 to 7 mph. Chance of precipitation is 60%.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Independence Day
A chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 64.
Sunday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 66.
Monday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 68.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 30%.
  Click Map For Forecast
Point Forecast:
2 Miles ESE Boonsboro MD
 39.51°N 77.61°W (Elev. 1230 ft)
7:38 pm EDT Jun 30, 2015
9pm EDT Jun 30, 2015-6pm EDT Jul 7, 2015
 
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