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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Camp David (KRSP)

Lat: 39.65°NLon: 77.47°WElev: 1841ft.

Fair

67°F

19°C

Humidity 81%
Wind Speed NA
Barometer 30.16 in (1020.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 18 Sep 7:54 pm EDT
Extended Forecast for

2 Miles W Thurmont MD

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Northeast wind 8 to 10 mph.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 72. Northeast wind 7 to 9 mph becoming east in the afternoon.

    High: 72 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Scattered showers, mainly after 2am. Mostly cloudy, with a low around 64. Southeast wind 7 to 9 mph. Chance of precipitation is 40%.

    Low: 64 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers, then showers and possibly a thunderstorm after 2pm. High near 75. South wind 10 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Scattered
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 60. West wind 6 to 8 mph becoming north after midnight. Chance of precipitation is 80%.

    Low: 60 °F

    Showers

  • Monday

    Monday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 40%.

    High: 66 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.

    High: 58 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. Northeast wind 8 to 10 mph.
Saturday
Partly sunny, with a high near 72. Northeast wind 7 to 9 mph becoming east in the afternoon.
Saturday Night
Scattered showers, mainly after 2am. Mostly cloudy, with a low around 64. Southeast wind 7 to 9 mph. Chance of precipitation is 40%.
Sunday
Scattered showers, then showers and possibly a thunderstorm after 2pm. High near 75. South wind 10 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 60. West wind 6 to 8 mph becoming north after midnight. Chance of precipitation is 80%.
Monday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 40%.
Monday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Tuesday
Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 55. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.
Thursday
A chance of showers. Mostly cloudy, with a high near 57. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Friday
A slight chance of showers. Partly sunny, with a high near 62. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Thurmont MD
 39.62°N 77.45°W (Elev. 1322 ft)
Last Update:
7:52 pm EDT Sep 18, 2026
Forecast Valid:
8pm EDT Sep 18, 2026-6pm EDT Sep 25, 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