Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Northern Plains and Upper Midwest

Dangerous heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms will produce damaging winds and heavy rainfall over portions of the northern/central Plains into the mid/upper-Mississippi Valleys today. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Overcast

82°F

28°C

Humidity 54%
Wind Speed Calm
Barometer 29.85 in
Dewpoint 64°F (18°C)
Visibility NA
Heat Index83°F (28°C)
Last update 30 Jul 3:35 pm EDT
Extended Forecast for

Lusby MDSimilar City Names

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 71. North wind 5 to 8 mph becoming calm  in the evening.

    Low: 71 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 86. North wind 3 to 5 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 71. South wind 3 to 6 mph.

    Low: 71 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 87. Light south wind increasing to 6 to 11 mph in the afternoon.

    High: 87 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 73. South wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. Chance of precipitation is 50%.

    Low: 72 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 10am.  Mostly cloudy, with a high near 83. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 71. North wind 5 to 8 mph becoming calm in the evening.
Friday
Sunny, with a high near 86. North wind 3 to 5 mph.
Friday Night
Partly cloudy, with a low around 71. South wind 3 to 6 mph.
Saturday
Partly sunny, with a high near 87. Light south wind increasing to 6 to 11 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 73. South wind 7 to 11 mph, with gusts as high as 20 mph.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 10am. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 20%.
Thursday
A chance of showers. Partly sunny, with a high near 88. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Lusby MDSimilar City Names
 38.4°N 76.45°W (Elev. 98 ft)
3:34 pm EDT Jul 30, 2026
3pm EDT Jul 30, 2026-6pm EDT Aug 6, 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