Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Current conditions at

St Marys County Airport (K2W6)

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

Fair

67°F

19°C

Humidity 69%
Wind Speed Calm
Barometer 30.22 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 14 Sep 9:35 pm EDT
Detailed forecast for

Calvert County

Tonight
Clear. Lows around 60. Northeast winds 5 to 10 mph.
Tuesday
Sunny. Highs in the upper 70s. East winds around 5 mph.
Tuesday Night
Mostly clear. Lows in the lower 60s. Southeast winds around 5 mph.
Wednesday
Sunny. Highs in the lower 80s. South winds around 5 mph.
Wednesday Night
Mostly clear. Lows in the lower 60s. South winds around 5 mph.
Thursday
Sunny. Highs in the lower 80s.
Thursday Night
Mostly clear. Lows in the upper 60s.
Friday
Mostly sunny. Highs in the mid 80s.
Friday Night
Partly cloudy. Lows in the upper 60s.
Saturday
Mostly sunny. Highs in the lower 80s.
Saturday Night
Partly cloudy. Lows around 70.
Sunday
Mostly sunny with a chance of showers. Highs in the mid 80s. Chance of rain 30 percent.
Sunday Night
Mostly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 30 percent.
Monday
Partly sunny with a 30 percent chance of showers. Highs in the lower 80s.



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755 PM EDT Mon Sep 14 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database