Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Dover Air Force Base (KDOV)

Lat: 39.13°NLon: 75.47°WElev: 30ft.

A Few Clouds

77°F

25°C

Humidity 92%
Wind Speed Calm
Barometer 29.88 in (1012.2 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 18 Aug 9:55 pm EDT
Extended Forecast for

Rising Sun-Lebanon DE

  • Tonight

    Tonight: Patchy fog before 2am.  Otherwise, partly cloudy, with a low around 68. Calm wind becoming southwest around 5 mph.

    Low: 68 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog between 7am and 8am.  Otherwise, sunny, with a high near 87. Light west wind increasing to 5 to 10 mph in the afternoon.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70. Calm wind becoming southwest around 5 mph.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.  Mostly sunny, with a high near 85. Calm wind becoming northeast around 5 mph in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm.  Mostly cloudy, with a low around 69. Northeast wind around 5 mph becoming calm.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers
    Likely

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 82. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am.  Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely.  Mostly cloudy, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers before 2am.  Mostly cloudy, with a low around 68. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog before 2am. Otherwise, partly cloudy, with a low around 68. Calm wind becoming southwest around 5 mph.
Wednesday
Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 87. Light west wind increasing to 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 70. Calm wind becoming southwest around 5 mph.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 85. Calm wind becoming northeast 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 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 69. Northeast wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Saturday
Showers likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Saturday Night
A chance of showers before 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Sunday
A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 50%.
Sunday Night
A chance of thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Rising Sun-Lebanon DE
 39.08°N 75.5°W (Elev. 3 ft)
2:34 pm EDT Aug 18, 2026
11pm EDT Aug 18, 2026-6pm EDT Aug 25, 2026
 
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Additional Resources

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