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

Quincy Regional Airport-Baldwin Field (KUIN)

Lat: 39.94°NLon: 91.2°WElev: 759ft.

Mostly Cloudy

70°F

21°C

Humidity 93%
Wind Speed Calm
Barometer 29.93 in (1012.7 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 19 Aug 4:54 am CDT
Extended Forecast for

4 Miles E Quincy IL

  • Overnight

    Overnight: Isolated showers and thunderstorms.  Cloudy, with a low around 71. Calm wind.  Chance of precipitation is 20%.

    Low: 71 °F

    Isolated
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 5pm.  Mostly cloudy, with a high near 79. Light and variable wind.  Chance of precipitation is 60%.

    High: 79 °F

    Isolated
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms, mainly before 9pm. Some of the storms could produce heavy rainfall.  Partly cloudy, with a low around 66. Light northeast wind.  Chance of precipitation is 40%.

    Low: 66 °F

    Heavy Rain
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 82. Northeast wind 3 to 5 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear
    then Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm.  Sunny, with a high near 84.

    High: 84 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Overnight
Isolated showers and thunderstorms. Cloudy, with a low around 71. Calm wind. Chance of precipitation is 20%.
Wednesday
Showers and thunderstorms likely, mainly after 5pm. Mostly cloudy, with a high near 79. Light and variable wind. Chance of precipitation is 60%.
Wednesday Night
Scattered showers and thunderstorms, mainly before 9pm. Some of the storms could produce heavy rainfall. Partly cloudy, with a low around 66. Light northeast wind. Chance of precipitation is 40%.
Thursday
Sunny, with a high near 82. Northeast wind 3 to 5 mph.
Thursday Night
Mostly clear, with a low around 66. Calm wind.
Friday
Sunny, with a high near 85.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 68.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 65.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Quincy IL
 39.93°N 91.32°W (Elev. 699 ft)
5:21 am CDT Aug 19, 2026
5am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database