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

Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

Garrett County Airport (K2G4)

Lat: 39.58°NLon: 79.34°WElev: 2933ft.

Fair

61°F

16°C

Humidity 63%
Wind Speed SE 3 mph
Barometer 30.05 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 17 Apr 10:55 pm EDT
Extended Forecast for

McHenry MD

  • Tonight

    Tonight: Mostly clear, with a low around 54. Southeast wind 3 to 6 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers after 4pm. Increasing clouds, with a high near 79. Southeast wind 7 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 30%.

    High: 79 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 38. Southwest wind 10 to 13 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Showers

  • Sunday

    Sunday: A chance of rain and snow showers before 11am, then a chance of rain showers between 11am and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 48. West wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.

    High: 48 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of rain showers before 11pm, then a chance of rain and snow showers between 11pm and 2am, then a chance of snow showers after 2am. Mostly cloudy, with a low around 31. West wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Low: 31 °F

    Chance
    Rain/Snow

  • Monday

    Monday: A slight chance of snow showers before 2pm. Mostly sunny, with a high near 43. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Snow Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers before 2am. Partly cloudy, with a low around 48. Chance of precipitation is 30%.

    Low: 48 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 54. Southeast wind 3 to 6 mph.
Saturday
A chance of showers after 4pm. Increasing clouds, with a high near 79. Southeast wind 7 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 30%.
Saturday Night
Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 38. Southwest wind 10 to 13 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A chance of rain and snow showers before 11am, then a chance of rain showers between 11am and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 48. West wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Sunday Night
A chance of rain showers before 11pm, then a chance of rain and snow showers between 11pm and 2am, then a chance of snow showers after 2am. Mostly cloudy, with a low around 31. West wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Monday
A slight chance of snow showers before 2pm. Mostly sunny, with a high near 43. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 26.
Tuesday
Sunny, with a high near 61.
Tuesday Night
A chance of showers before 2am. Partly cloudy, with a low around 48. Chance of precipitation is 30%.
Wednesday
A chance of showers after 8am. Partly sunny, with a high near 65. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 49.
Friday
Mostly sunny, with a high near 73.
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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:
10:53 pm EDT Apr 17, 2026
Forecast Valid:
11pm EDT Apr 17, 2026-6pm EDT Apr 24, 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