Sunday Brings Heat Relief For Some; Flash Flood Threat Along Cold Front

A cold front shifting across the Central Plains, Midwest, Great Lakes and Northeast on Sunday will bring some relief from the heat with cooler and drier air. Excessive heat holds Sunday roughly south of I-70. Heavy rain from thunderstorms along the front may bring flash flooding. Read More >

Hazardous Weather Conditions

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Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Fair

82°F

28°C

Humidity	84%
Wind Speed	W 6 mph
Barometer	29.93 in
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	90°F (32°C)
Last update	21 Jul 8:43 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

Morganza MD

Excessive Heat Warning July 21, 11:00am until July 21, 09:00pm

Click here for hazard details and duration

Excessive Heat Warning

Today

Hot
High: 98 °F
Tonight

Scattered
T-storms
Low: 77 °F
Monday

Slight Chance
T-storms then
Chance
T-storms
High: 92 °F
Monday
Night

Heavy Rain
Low: 70 °F
Tuesday

Showers
Likely then
Chance
Showers
High: 80 °F
Tuesday
Night

Chance
Showers
Low: 65 °F
Wednesday

Mostly Sunny
High: 83 °F
Wednesday
Night

Partly Cloudy
Low: 65 °F
Thursday

Sunny
High: 85 °F

Detailed Forecast

Today

Mostly sunny and hot, with a high near 98. Heat index values as high as 109. West wind 6 to 8 mph.

Tonight

Scattered showers and thunderstorms, mainly between 8pm and 11pm. Mostly cloudy, with a low around 77. Southwest wind around 6 mph. Chance of precipitation is 30%.

Monday

A chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 92. Heat index values as high as 101. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.

Monday Night

Showers and thunderstorms likely before midnight, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce heavy rain. Cloudy, with a low around 70. Southwest wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Tuesday

Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Cloudy, with a high near 80. Northwest wind around 9 mph. Chance of precipitation is 70%.

Tuesday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

Wednesday

Mostly sunny, with a high near 83.

Wednesday Night

Partly cloudy, with a low around 65.

Thursday

Sunny, with a high near 85.

Thursday Night

Mostly clear, with a low around 66.

Friday

Sunny, with a high near 87.

Friday Night

Mostly clear, with a low around 68.