National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Overcast

79°F

26°C

Humidity 94%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 77°F (25°C)
Visibility 9.00 mi
Heat Index83°F (28°C)
Last update 28 Aug 9:35 am EDT
Extended Forecast for

Callaway MD

  • Today

    Today: A chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 85. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 69. North wind 3 to 6 mph.

    Low: 69 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 83. Northeast wind 7 to 10 mph.

    High: 83 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69. East wind 5 to 7 mph becoming southeast after midnight.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86. Southeast wind 6 to 9 mph.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 85. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 30%.
Tonight
Mostly cloudy, with a low around 69. North wind 3 to 6 mph.
Saturday
Partly sunny, with a high near 83. Northeast wind 7 to 10 mph.
Saturday Night
Partly cloudy, with a low around 69. East wind 5 to 7 mph becoming southeast after midnight.
Sunday
Mostly sunny, with a high near 86. Southeast wind 6 to 9 mph.
Sunday Night
Partly cloudy, with a low around 72.
Monday
Mostly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Callaway MD
 38.23°N 76.51°W (Elev. 59 ft)
Last Update:
7:52 am EDT Aug 28, 2026
Forecast Valid:
9am EDT Aug 28, 2026-6pm EDT Sep 3, 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