Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

Garrett County Airport (K2G4)

Lat: 39.58°NLon: 79.34°WElev: 2933ft.

Fair

66°F

19°C

Humidity 78%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 3 Aug 8:15 pm EDT
Extended Forecast for

Grantsville MD

  • Tonight

    Tonight: Mostly clear, with a low around 55. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Calm wind becoming southeast around 5 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 63. Southeast wind around 6 mph becoming calm  after midnight.

    Low: 63 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Mostly Cloudy
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 66. Calm wind.  Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm.  High near 79. Chance of precipitation is 80%.

    High: 79 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am.  Low around 66. Chance of precipitation is 80%.

    Low: 66 °F

    Showers then
    Slight Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm.  High near 78. Chance of precipitation is 80%.

    High: 78 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.  Low around 65. Chance of precipitation is 80%.

    Low: 65 °F

    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 78. Calm wind becoming southeast around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 63. Southeast wind around 6 mph becoming calm after midnight.
Wednesday
Showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 60%.
Thursday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 79. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Low around 66. Chance of precipitation is 80%.
Friday
A chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 78. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 65. Chance of precipitation is 80%.
Saturday
A slight chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Grantsville MD
 39.7°N 79.17°W (Elev. 2201 ft)
7:54 pm EDT Aug 3, 2026
8pm EDT Aug 3, 2026-6pm EDT Aug 10, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database