Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Annapolis, United States Naval Academy (KNAK)

Lat: 38.99°NLon: 76.49°WElev: 3ft.

Fair

76°F

24°C

Humidity 88%
Wind Speed NW 6 mph
Barometer 29.85 in (1010.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 18 Aug 5:54 am EDT
Extended Forecast for

Chestertown MD

  • Today

    Today: Isolated showers and thunderstorms after 2pm.  Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 88. North wind around 5 mph.  Chance of precipitation is 20%.

    High: 88 °F

    Patchy Fog
    then Isolated
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 9pm.  Patchy fog between 2am and 3am.  Otherwise, mostly clear, with a low around 68. Calm wind.  Chance of precipitation is 20%.

    Low: 68 °F

    Isolated
    T-storms then
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 7am.  Otherwise, sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.

    High: 89 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: 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. Calm wind becoming northwest around 5 mph in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 86 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers.  Mostly cloudy, with a low around 67. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers after 2pm.  Partly sunny, with a high near 84. Chance of precipitation is 40%.

    High: 84 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers.  Mostly cloudy, with a low around 67. Chance of precipitation is 50%.

    Low: 67 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 2pm.  Mostly cloudy, with a high near 84. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely

Detailed Forecast

Today
Isolated showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 88. North wind around 5 mph. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms before 9pm. Patchy fog between 2am and 3am. Otherwise, mostly clear, with a low around 68. Calm wind. Chance of precipitation is 20%.
Wednesday
Patchy fog before 7am. Otherwise, sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 70. Calm wind.
Thursday
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. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
Saturday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
Saturday Night
Showers likely 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 67. Chance of precipitation is 60%.
Sunday
A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Monday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Chestertown MD
 39.21°N 76.08°W (Elev. 49 ft)
2:35 am EDT Aug 18, 2026
6am EDT Aug 18, 2026-6pm EDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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