Severe Thunderstorms and Heavy Rainfall Across the South; Heat Spreads Across the West and Southern Plains

A couple of frontal boundaries will move east and south from the Plains to the Gulf and Atlantic coastlines. These boundaries will focus showers and thunderstorms through the weekend, with scattered severe thunderstorms from the Southern Plains and across the Gulf Coast states. Locally heavy rainfall may also occur, which may be welcome news across drought areas. Meanwhile, heat spreads westward. Read More >

Hazardous Weather Conditions

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32° N Lon: 76.55° W Elev: 144 ft.

Fair

75°F

24°C

Humidity 44%
Wind Speed SE 5 mph
Barometer 29.94 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 10 May 10:35 am EDT
Detailed forecast for

Calvert County

Today
Sunny. Highs in the lower 80s. West winds around 5 mph, becoming south this afternoon.
Tonight
Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the mid 50s. North winds 5 to 10 mph. Chance of rain 50 percent.
Monday
Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 60s. Northeast winds 5 to 10 mph. Chance of rain 70 percent.
Monday Night
Partly cloudy in the evening, then clearing. Lows in the upper 40s. South winds around 5 mph, becoming north after midnight.
Tuesday
Sunny. Highs in the mid 60s. North winds 5 to 10 mph.
Tuesday Night
Mostly clear. Lows in the lower 50s.
Wednesday
Partly sunny with a 50 percent chance of showers. Highs in the mid 70s.
Wednesday Night
Showers. Lows in the mid 50s. Chance of rain 90 percent.
Thursday
Mostly sunny. Highs in the lower 70s.
Thursday Night
Mostly clear. Lows in the lower 50s.
Friday
Sunny. Highs in the mid 70s.
Friday Night
Mostly clear. Lows in the upper 50s.
Saturday
Sunny. Highs in the lower 80s.



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759 AM EDT Sun May 10 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database