Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

Current conditions at

St Marys County Airport (K2W6)

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

Fair

78°F

26°C

Humidity 63%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 6 Sep 5:35 pm EDT
Detailed forecast for

Charles County

Rest Of This Afternoon
Mostly sunny. Highs in the lower 80s. Northeast winds 5 to 10 mph.
Tonight
Mostly clear. Patchy fog after midnight. Lows in the lower 60s. Northeast winds around 5 mph.
Labor Day
Mostly sunny. Highs in the lower 80s. Northeast winds around 5 mph.
Monday Night
Partly cloudy in the evening, then becoming mostly clear. Lows around 60. Southeast winds around 5 mph, becoming southwest after midnight.
Tuesday
Sunny. Highs in the mid 80s. Southwest winds around 5 mph.
Tuesday Night
Partly cloudy. Lows in the lower 60s.
Wednesday
Sunny. Highs in the upper 80s.
Wednesday Night
Mostly clear. Lows in the lower 70s.
Thursday
Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent.
Thursday Night
Mostly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 50 percent.
Friday
Mostly sunny. Highs in the lower 80s.
Friday Night
Partly cloudy. Lows in the lower 60s.
Saturday
Mostly sunny. Highs in the mid 80s.



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455 PM EDT Sun Sep 6 2026
 
 

Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database