Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. 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

61°F

16°C

Humidity 83%
Wind Speed Vrbl 7 mph
Barometer 30.23 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 13 Apr 2:15 am EDT
Detailed forecast for

Calvert County

Overnight
Partly cloudy. Lows in the upper 50s. South winds 10 to 15 mph.
Monday
Partly sunny. Isolated showers in the afternoon. Highs in the lower 80s. Southwest winds 15 to 20 mph. Chance of rain 20 percent.
Monday Night
Partly cloudy. Lows in the lower 60s. Southwest winds 10 to 15 mph.
Tuesday
Mostly sunny. Hot with highs in the upper 80s. Southwest winds 10 to 15 mph.
Tuesday Night
Partly cloudy. Lows in the mid 60s. Southwest winds 5 to 10 mph.
Wednesday
Mostly sunny. Hot with highs in the lower 90s.
Wednesday Night
Mostly cloudy. Lows in the mid 60s.
Thursday
Partly sunny. Hot with highs in the upper 80s.
Thursday Night
Mostly cloudy. Lows in the mid 60s.
Friday
Mostly sunny. Highs in the mid 80s.
Friday Night
Mostly clear. Lows around 60.
Saturday
Mostly sunny. Highs in the mid 80s.
Saturday Night
Mostly cloudy with a 30 percent chance of showers. Lows in the lower 60s.
Sunday
Partly sunny with a 40 percent chance of showers. Highs in the upper 70s.



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225 AM EDT Mon Apr 13 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database