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

Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Current conditions at

Garrett County Airport (K2G4)

Lat: 39.58°NLon: 79.34°WElev: 2933ft.

Fair

68°F

20°C

Humidity 40%
Wind Speed Vrbl 3 mph
Barometer 30.26 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 31 Aug 2:35 pm EDT
Extended Forecast for

McHenry MD

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 69. East wind around 6 mph.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. East wind 3 to 5 mph.

    Low: 48 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 70. East wind 3 to 6 mph.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. Light southeast wind.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71. Light southeast wind.

    High: 71 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers after 2pm. Partly sunny, with a high near 69. Chance of precipitation is 30%.

    High: 69 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 72. Chance of precipitation is 70%.

    High: 72 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 69. East wind around 6 mph.
Tonight
Mostly clear, with a low around 48. East wind 3 to 5 mph.
Labor Day
Sunny, with a high near 70. East wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 51. Light southeast wind.
Tuesday
Mostly sunny, with a high near 71. Light southeast wind.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
A chance of showers after 2pm. Partly sunny, with a high near 69. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 72. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Friday
A chance of showers. Mostly sunny, with a high near 69. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
McHenry MD
 39.56°N 79.36°W (Elev. 2500 ft)
Last Update:
1:30 pm EDT Aug 31, 2025
Forecast Valid:
2pm EDT Aug 31, 2025-6pm EDT Sep 6, 2025
 
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