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 >

Hazardous Weather Conditions

Current conditions at

Camp David (KRSP)

Lat: 39.65°NLon: 77.47°WElev: 1841ft.

Fair

75°F

24°C

Humidity 76%
Wind Speed N 5 mph
Barometer 30.04 in (997.0 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 23 Jul 11:54 pm EDT
Extended Forecast for

Thurmont MD

  • Overnight

    Overnight: Mostly clear, with a low around 70. North wind 5 to 7 mph.

    Mostly Clear

    Low: 70 °F

  • Sunday

    Sunday: Sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.

    Sunny

    High: 93 °F

  • Sunday
    Night

    Sunday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 75. Light south wind.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 75 °F

  • Monday

    Monday: A chance of showers and thunderstorms.  Partly sunny, with a high near 95. Heat index values as high as 101. West wind 3 to 8 mph.  Chance of precipitation is 30%.

    Chance
    T-storms

    High: 95 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 74. West wind 5 to 7 mph.  Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 74 °F

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms.  Mostly sunny, with a high near 92. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 92 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 73.

    Partly Cloudy

    Low: 73 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 92.

    Mostly Sunny

    High: 92 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 73.

    Partly Cloudy

    Low: 73 °F

Detailed Forecast

Overnight
Mostly clear, with a low around 70. North wind 5 to 7 mph.
Sunday
Sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. Light south wind. Chance of precipitation is 20%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 95. Heat index values as high as 101. West wind 3 to 8 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 74. West wind 5 to 7 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
Partly cloudy, with a low around 73.
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 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Click Map For Forecast
Point Forecast:
Thurmont MD
 39.62°N 77.42°W (Elev. 600 ft)
10:28 pm EDT Jul 23, 2016
12am EDT Jul 24, 2016-6pm EDT Jul 29, 2016
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database