Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms are possible from the Ohio Valley to the central Plains this evening, and the threat will expand into the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Alaska through this evening and for the Four Corners region through Monday. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Fair

86°F

30°C

Humidity 31%
Wind Speed Vrbl 3 mph
Barometer 29.92 in
Dewpoint 52°F (11°C)
Visibility NA
Heat Index84°F (29°C)
Last update 21 Jun 4:55 pm EDT
Extended Forecast for

3 Miles WNW Prince Frederick MD

  • Tonight

    Tonight: Mostly cloudy, with a low around 70. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 70 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm.  Partly sunny, with a high near 94. South wind 6 to 16 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Mostly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms, mainly before 2am.  Low around 69. Southwest wind 3 to 7 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 69 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 11am.  Partly sunny, with a high near 85. North wind 5 to 10 mph.  Chance of precipitation is 50%.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. Northwest wind around 6 mph.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 88. Chance of precipitation is 30%.

    High: 88 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 70. Northwest wind around 5 mph becoming calm in the evening.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 94. South wind 6 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms, mainly before 2am. Low around 69. Southwest wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 85. North wind 5 to 10 mph. Chance of precipitation is 50%.
Tuesday Night
Mostly clear, with a low around 64. Northwest wind around 6 mph.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 20%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Prince Frederick MD
 38.58°N 76.62°W (Elev. 49 ft)
4:52 pm EDT Jun 21, 2026
5pm EDT Jun 21, 2026-6pm EDT Jun 28, 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