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

Severe Thunderstorms and Heavy Rain in the Mississippi Valley; Critical Fire Weather in the Southern Plains

Severe thunderstorms will persist tonight across the Middle Mississippi Valley, producing damaging winds, large to very large hail and several tornadoes. Low humidity and windy conditions will continue to produce elevated to critical fire weather conditions across the southern High Plains into midweek. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Fair

51°F

11°C

Humidity 76%
Wind Speed Calm
Barometer 30.26 in
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 27 Apr 11:15 pm EDT
Extended Forecast for

Lusby MDSimilar City Names

  • Tonight

    Tonight: Mostly clear, with a low around 48. Southeast wind 5 to 7 mph.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Increasing clouds, with a high near 66. Light south wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 66 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 54. Southeast wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 5pm. High near 68. Southeast wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 52. Southeast wind 8 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%.

    Low: 52 °F

    Showers

  • Thursday

    Thursday: A chance of showers, mainly before 8am. Mostly sunny, with a high near 66. Chance of precipitation is 30%.

    High: 66 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.

    Low: 49 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 48. Southeast wind 5 to 7 mph.
Tuesday
A slight chance of showers after 2pm. Increasing clouds, with a high near 66. Light south wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 54. Southeast wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Wednesday
Showers, with thunderstorms also possible after 5pm. High near 68. Southeast wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm. Low around 52. Southeast wind 8 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%.
Thursday
A chance of showers, mainly before 8am. Mostly sunny, with a high near 66. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 67.
Friday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 62. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 49.
Monday
Sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lusby MDSimilar City Names
 38.4°N 76.45°W (Elev. 98 ft)
Last Update:
10:53 pm EDT Apr 27, 2026
Forecast Valid:
11pm EDT Apr 27, 2026-6pm EDT May 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation