National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Hazardous Weather Conditions

Current conditions at

Camp David (KRSP)

Lat: 39.65°NLon: 77.47°WElev: 1841ft.

Partly Cloudy

62°F

17°C

Humidity 84%
Wind Speed NA
Barometer 29.89 in (1011.8 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 23 Aug 1:54 am EDT
Extended Forecast for

4 Miles NNW Myersville MD

  • Overnight

    Overnight: Scattered showers, mainly before 3am. Mostly cloudy, with a low around 63. South wind around 7 mph. Chance of precipitation is 30%.

    Low: 63 °F

    Scattered
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 78. West wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. West wind 5 to 8 mph.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77. West wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 57. Northwest wind 5 to 9 mph.

    Low: 57 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Scattered showers, mainly before 3am. Mostly cloudy, with a low around 63. South wind around 7 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 78. West wind 8 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 58. West wind 5 to 8 mph.
Monday
Sunny, with a high near 77. West wind 6 to 11 mph, with gusts as high as 18 mph.
Monday Night
Clear, with a low around 57. Northwest wind 5 to 9 mph.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 20%.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Myersville MD
 39.55°N 77.6°W (Elev. 1230 ft)
Last Update:
10:53 pm EDT Aug 22, 2026
Forecast Valid:
2am EDT Aug 23, 2026-6pm EDT Aug 29, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation