Severe Thunderstorms and Heavy Rain from the Plains to the Mid-Atlantic; Ongoing Heat in the South

Severe thunderstorms and showers pose a risk for excessive rain, localized flash flooding, strong gusts and/or large hail across portions of the northern and central Plains, the Lower Missouri to Lower Ohio Valleys, and across the Mid-Atlantic this afternoon and evening. Extreme heat is ongoing over the Desert Southwest and the Southeast U.S.. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

A Few Clouds

89°F

32°C

Humidity 70%
Wind Speed SW 12 mph
Barometer 29.82 in
Dewpoint 77°F (25°C)
Visibility NA
Heat Index103°F (39°C)
Last update 9 Jul 5:35 pm EDT
Extended Forecast for

2 Miles ENE Prince Frederick MD

Severe T-storm Watch July 9, 05:54pm until July 9, 10:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch July 9, 05:54pm until July 9, 10:00pm

    NOW until 10:00pm Thu

    Severe T-storm Watch

  • This Afternoon

    High: 85 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms, mainly before midnight. Some of the storms could be severe and produce heavy rainfall.  Low around 73. Light and variable wind becoming west around 5 mph after midnight.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 73 °F

    Severe
    Thunderstorms
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm.  Increasing clouds, with a high near 93. Heat index values as high as 100. West wind around 6 mph becoming south in the afternoon.  Chance of precipitation is 50%.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then isolated showers.  Mostly cloudy, with a low around 74. Light and variable wind.  Chance of precipitation is 40%.

    Low: 74 °F

    Chance
    T-storms then
    Isolated
    Showers

  • Saturday

    Saturday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 86. North wind around 6 mph.  Chance of precipitation is 70%.

    High: 86 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a high near 85. South wind around 7 mph. Chance of precipitation is 30%.
Tonight
Showers and thunderstorms, mainly before midnight. Some of the storms could be severe and produce heavy rainfall. Low around 73. Light and variable wind becoming west around 5 mph after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 93. Heat index values as high as 100. West wind around 6 mph becoming south in the afternoon. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms before 11pm, then isolated showers. Mostly cloudy, with a low around 74. Light and variable wind. Chance of precipitation is 40%.
Saturday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. North wind around 6 mph. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Prince Frederick MD
 38.55°N 76.54°W (Elev. 131 ft)
4:53 pm EDT Jul 9, 2026
5pm EDT Jul 9, 2026-6pm EDT Jul 16, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database