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Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Fair

76°F

24°C

Humidity 77%
Wind Speed Vrbl 3 mph
Barometer 30.15 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 19 May 12:15 am EDT
Extended Forecast for

2 Miles SSW Callaway MD

  • Overnight

    Overnight: Mostly clear, with a low around 72. Southwest wind around 8 mph.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. Southwest wind around 9 mph.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73. Southwest wind around 10 mph.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 92. Southwest wind 7 to 9 mph. Chance of precipitation is 40%.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday 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 after 2am. Mostly cloudy, with a low around 60. North wind 3 to 6 mph. Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.

    High: 69 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.

    Low: 54 °F

    Chance
    Showers

  • Friday

    Friday: Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.

    High: 66 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.

    Low: 56 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 72. Southwest wind around 8 mph.
Tuesday
Sunny, with a high near 92. Southwest wind around 9 mph.
Tuesday Night
Mostly clear, with a low around 73. Southwest wind around 10 mph.
Wednesday
A chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 92. Southwest wind 7 to 9 mph. Chance of precipitation is 40%.
Wednesday 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 after 2am. Mostly cloudy, with a low around 60. North wind 3 to 6 mph. Chance of precipitation is 70%.
Thursday
Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Friday
Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.
Friday Night
Showers likely. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Saturday
Showers likely. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Callaway MD
 38.21°N 76.54°W (Elev. 49 ft)
Last Update:
10:53 pm EDT May 18, 2026
Forecast Valid:
12am EDT May 19, 2026-6pm EDT May 25, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation