Heavy rain threat continues through Saturday from the Ohio Valley to the Mid-Atlantic and the Northeast. Scattered showers and thunderstorms will be possible over the Southwest and Rockies.

Widespread showers and thunderstorms will continue over much of the Mid-Atlantic, Northeast and the Ohio valley through the weekend. The central Appalachians and the lower Great Lakes/Ohio valley will likely have the higher rainfall amounts. Showers and thunderstorms will be possible this weekend as well from the desert southwest/southern Rockies northward to the northern Rockies and High Plains. Read More >

Current conditions at

St Marys County Airport (K2W6)

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

Overcast

64°F

18°C

Humidity 94%
Wind Speed E 8 mph
Barometer 30.11 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 30 Sep 7:46 pm EDT
Detailed forecast for

Calvert County

Tonight
Isolated thunderstorms. Widespread showers. Lows in the mid 60s. Northeast winds 10 to 15 mph. Chance of rain 80 percent.
Saturday
Mostly cloudy. Showers likely...mainly in the morning. Highs in the mid 70s. East winds 5 to 10 mph...becoming southeast in the afternoon. Chance of rain 60 percent.
Saturday Night
Mostly cloudy in the evening...then becoming partly cloudy. A 20 percent chance of showers. Lows in the mid 60s. South winds around 5 mph.
Sunday
Mostly sunny. Highs in the mid 70s. Northwest winds around 5 mph...becoming southwest in the afternoon.
Sunday Night
Partly cloudy. Lows in the lower 60s. South winds around 5 mph...becoming northwest after midnight.
Monday
Mostly sunny. Highs in the mid 70s.
Monday Night
Partly cloudy. Lows in the lower 60s.
Tuesday
Mostly sunny. Highs in the lower 70s.
Tuesday Night
Mostly cloudy. Lows in the lower 60s.
Wednesday
Partly sunny. Highs in the upper 60s.
Wednesday Night
Mostly cloudy. Lows in the lower 60s.
Thursday
Partly sunny. Highs in the lower 70s.
Thursday Night
Mostly cloudy with a 30 percent chance of rain. Lows in the lower 60s.
Friday
Partly sunny with a 30 percent chance of rain. Highs in the lower 70s.



Click Map For Forecast
730 PM EDT FRI SEP 30 2016
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database