Dangerous Heat Wave Continues; Areas of Severe Thunderstorms Today

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing on the eastern U.S. through the Independence Day weekend. Peak heat indices of up to 115 degrees are possible. Strong to severe thunderstorms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians today. Read More >

Hazardous Weather Conditions

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Fair

90°F

32°C

Humidity	69%
Wind Speed	S 3 mph
Barometer	30.01 in
Dewpoint	79°F (26°C)
Visibility	NA
Heat Index	105°F (41°C)
Last update	2 Jul 8:15 pm EDT

More Information:

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

Extended Forecast for

Prince Frederick MD

Extreme Heat Warning July 3, 10:00am until July 3, 08:00pm

Extreme Heat Warning July 4, 10:00am until July 4, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Tonight
Low: 80 °F
Clear
Friday
High: 101 °F
Hot
Friday Night
Low: 80 °F
Mostly Clear
Independence Day
High: 102 °F
Sunny then
Chance
T-storms
Saturday Night
Low: 76 °F
Chance
T-storms
Sunday
High: 96 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 73 °F
Showers
Likely
Monday
High: 90 °F
Chance
Showers then
Showers
Likely
Monday Night
Low: 71 °F
Showers
Likely then
Chance
T-storms

Detailed Forecast

Tonight

Clear, with a low around 80. Southwest wind around 6 mph.

Friday

Sunny and hot, with a high near 101. Heat index values as high as 110. Calm wind becoming southeast around 5 mph in the afternoon.

Friday Night

Mostly clear, with a low around 80. Light southwest wind.

Independence Day

A chance of showers and thunderstorms after 2pm. Increasing clouds and hot, with a high near 102. Heat index values as high as 110. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 40%.

Saturday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 76. South wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 50%.

Sunday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Chance of precipitation is 50%.

Sunday Night

A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 70%.

Monday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 70%.

Monday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

Tuesday

A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 40%.

Tuesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.

Wednesday

A slight chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 20%.

Wednesday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 20%.

Thursday

A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.