Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Hazardous Weather Conditions

Current conditions at

Georgetown - Delaware Coastal Airport (KGED)

Lat: 38.69°NLon: 75.36°WElev: 46ft.

Fog/Mist

73°F

23°C

Humidity 96%
Wind Speed NE 5 mph
Barometer 30.10 in (1019.3 mb)
Dewpoint 72°F (22°C)
Visibility 2.50 mi
Last update 31 Aug 7:54 am EDT
Extended Forecast for

Preston MD

  • Today

    Today: Isolated showers after 1pm.  Mostly cloudy, with a high near 88. Calm wind becoming northeast around 5 mph.  Chance of precipitation is 20%.

    High: 88 °F

    Mostly Cloudy
    then Isolated
    Showers

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 73. Southeast wind around 5 mph becoming southwest after midnight.  Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 93. Heat index values as high as 100. West wind around 5 mph.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 74. Calm wind.  Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 92. Calm wind becoming northeast around 5 mph.

    High: 92 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 94. Chance of precipitation is 30%.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 72. Chance of precipitation is 40%.

    Low: 72 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers after 2pm.  Mostly sunny, with a high near 87. Chance of precipitation is 30%.

    High: 87 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Isolated showers after 1pm. Mostly cloudy, with a high near 88. Calm wind becoming northeast around 5 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 73. Southeast wind around 5 mph becoming southwest after midnight. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 93. Heat index values as high as 100. West wind around 5 mph.
Tuesday Night
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 92. Calm wind becoming northeast around 5 mph.
Wednesday Night
Partly cloudy, with a low around 75.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Friday
A chance of showers after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Friday Night
A chance of showers before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Preston MD
 38.7°N 75.91°W (Elev. 36 ft)
4:08 am EDT Aug 31, 2026
8am EDT Aug 31, 2026-6pm EDT Sep 6, 2026
 
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Additional Resources

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