Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. 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

84°F

29°C

Humidity 74%
Wind Speed SE 5 mph
Barometer 30.09 in
Dewpoint 74°F (23°C)
Visibility 8.00 mi
Heat Index92°F (33°C)
Last update 30 Aug 6:35 pm EDT
Detailed forecast for

Charles County

Tonight
Partly cloudy. Isolated showers and thunderstorms this evening. Lows in the lower 70s. South winds 5 to 10 mph. Chance of rain 20 percent.
Monday
Mostly sunny. Highs in the lower 90s. West winds around 5 mph.
Monday Night
Partly cloudy in the evening, then clearing. Lows in the lower 70s. Southeast winds around 5 mph, becoming south after midnight.
Tuesday
Sunny, hot with highs in the mid 90s. West winds around 5 mph.
Tuesday Night
Partly cloudy. Lows in the mid 70s. Southwest winds around 5 mph.
Wednesday
Sunny, hot with highs in the mid 90s.
Wednesday Night
Partly cloudy. Lows in the mid 70s.
Thursday
Mostly sunny with a chance of showers. Hot with highs in the mid 90s. Chance of rain 40 percent.
Thursday Night
Mostly cloudy with a chance of showers. Lows in the lower 70s. Chance of rain 40 percent.
Friday
Mostly sunny with a chance of showers. Highs in the upper 80s. Chance of rain 50 percent.
Friday Night
Partly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 50 percent.
Saturday
Mostly sunny. Highs in the mid 80s.
Saturday Night
Partly cloudy. Lows in the mid 60s.
Sunday
Mostly sunny. Highs in the lower 80s.



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619 PM EDT Sun Aug 30 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database