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.

Overcast

70°F

21°C

Humidity 84%
Wind Speed NA
Barometer 29.99 in (1015.1 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 20 Sep 1:54 pm EDT
Extended Forecast for

Cascade MDSimilar City Names

  • This Afternoon

    This Afternoon: Showers likely. Cloudy, with a high near 76. Southwest wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 76 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 57. Northwest wind 5 to 9 mph becoming northeast after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Showers
    Likely then
    Scattered
    Showers

  • Monday

    Monday: Scattered showers, mainly after 11am. Patchy fog after 11am. Otherwise, cloudy, with a high near 64. Northeast wind around 11 mph. Chance of precipitation is 40%.

    High: 64 °F

    Scattered
    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: Showers. Low around 53. East wind 8 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 53 °F

    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 58. Northeast wind 14 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    High: 58 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely. Cloudy, with a low around 49. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 57. Chance of precipitation is 40%.

    High: 57 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.

    Low: 48 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers. Mostly cloudy, with a high near 57. Chance of precipitation is 20%.

    High: 57 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Showers likely. Cloudy, with a high near 76. Southwest wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 57. Northwest wind 5 to 9 mph becoming northeast after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Scattered showers, mainly after 11am. Patchy fog after 11am. Otherwise, cloudy, with a high near 64. Northeast wind around 11 mph. Chance of precipitation is 40%.
Monday Night
Showers. Low around 53. East wind 8 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Showers and possibly a thunderstorm. High near 58. Northeast wind 14 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Tuesday Night
Showers likely. Cloudy, with a low around 49. Chance of precipitation is 70%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 57. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Thursday
A slight chance of showers. Mostly cloudy, with a high near 57. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cascade MDSimilar City Names
 39.72°N 77.49°W (Elev. 1398 ft)
Last Update:
2:23 pm EDT Sep 20, 2026
Forecast Valid:
2pm EDT Sep 20, 2026-6pm EDT Sep 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation