Dangerous heat and humidity from the central U.S. to East Coast this weekend

Hot and very humid conditions will push the heat index to well over 100 degrees across a large portion of the central and eastern U.S. Excessive Heat Warnings and Heat Advisories are in effect for much of the Plains, Miss. Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Be very cautious if you must do outdoor activities in these areas during the afternoon and evening this weekend. Read More >

Current conditions at

Camp David (KRSP)

Lat: 39.65°NLon: 77.47°WElev: 1841ft.

Fair

88°F

31°C

Humidity 48%
Wind Speed Vrbl 5 mph
Barometer 30.05 in (1016.2 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 24 Jul 3:54 pm EDT
Extended Forecast for

Boonsboro MD

Heat Advisory July 25, 12:00pm until July 25, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly between 11pm and 5am.  Mostly cloudy, with a low around 73. Southwest wind around 6 mph becoming calm  after midnight.  Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 73 °F

  • Monday

    Monday: A chance of showers and thunderstorms, mainly after 11am.  Partly sunny and hot, with a high near 98. Heat index values as high as 106. Light west wind increasing to 5 to 9 mph in the morning.  Chance of precipitation is 30%.

    Chance
    T-storms

    High: 98 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 73. West wind 3 to 6 mph.  Chance of precipitation is 40%.

    Chance
    T-storms

    Low: 73 °F

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 8am.  Mostly sunny, with a high near 93. Northwest wind 3 to 7 mph.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 93 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 71. Northwest wind 3 to 5 mph.

    Partly Cloudy

    Low: 71 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 93.

    Mostly Sunny

    High: 93 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 71.

    Partly Cloudy

    Low: 71 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms.  Partly sunny, with a high near 92. Chance of precipitation is 30%.

    Chance
    T-storms

    High: 92 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. Chance of precipitation is 40%.

    Chance
    T-storms

    Low: 72 °F

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly between 11pm and 5am. Mostly cloudy, with a low around 73. Southwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms, mainly after 11am. Partly sunny and hot, with a high near 98. Heat index values as high as 106. Light west wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 73. West wind 3 to 6 mph. Chance of precipitation is 40%.
Tuesday
A slight chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 93. Northwest wind 3 to 7 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 71. Northwest wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 92. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 88. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Click Map For Forecast
Point Forecast:
Boonsboro MD
 39.51°N 77.67°W (Elev. 476 ft)
2:48 pm EDT Jul 24, 2016
4pm EDT Jul 24, 2016-6pm EDT Jul 31, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database