Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

St Marys County Airport (K2W6)

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

A Few Clouds

65°F

18°C

Humidity 78%
Wind Speed Calm
Barometer 29.88 in
Dewpoint 58°F (14°C)
Visibility NA
Last update 21 Jun 5:15 am EDT
Detailed forecast for

Charles County

Rest Of The Overnight
Partly cloudy with isolated showers. Lows in the mid 60s. Northwest winds around 5 mph. Chance of rain 20 percent.
Today
Mostly sunny. Isolated showers in the morning. Highs in the upper 80s. Northwest winds 5 to 10 mph. Chance of rain 20 percent.
Tonight
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 60s. Northeast winds 5 to 10 mph, becoming east after midnight.
Monday
Partly sunny. Widespread showers and scattered thunderstorms in the afternoon. Hot with highs in the mid 90s. South winds 15 to 20 mph. Chance of rain 90 percent.
Monday Night
Widespread showers and scattered thunderstorms. Lows in the upper 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph, diminishing to around 5 mph after midnight. Chance of rain 90 percent.
Tuesday
Mostly cloudy. Highs in the mid 80s.
Tuesday Night
Partly cloudy. Lows in the lower 60s.
Wednesday
Sunny. Highs in the mid 80s.
Wednesday Night
Mostly clear. Lows in the mid 60s.
Thursday
Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 40 percent.
Thursday Night
Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 40 percent.
Friday
Partly sunny with a chance of showers. Highs in the upper 80s. Chance of rain 50 percent.
Friday Night
Partly cloudy. Lows in the upper 60s.
Saturday
Mostly sunny. Highs in the upper 80s.



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455 AM EDT Sun Jun 21 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database