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

Hazardous Weather Conditions

Current conditions at

Quincy Regional Airport-Baldwin Field (KUIN)

Lat: 39.94°NLon: 91.2°WElev: 759ft.

Overcast

76°F

24°C

Humidity 85%
Wind Speed NE 5 mph
Barometer 29.91 in (1012.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 27 Jun 3:54 pm CDT
Extended Forecast for

Quincy IL

Heat Advisory June 28, 12:00pm until July 3, 12:00am
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 70. Southeast wind 3 to 7 mph.

    Low: 70 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 91. Heat index values as high as 103. South wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 91 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. South wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 92. Heat index values as high as 103. South wind 9 to 13 mph, with gusts as high as 24 mph.

    High: 92 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. South wind 8 to 10 mph, with gusts as high as 22 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 76.

    Low: 76 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 70. Southeast wind 3 to 7 mph.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 91. Heat index values as high as 103. South wind 8 to 11 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 76. South wind 8 to 10 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 92. Heat index values as high as 103. South wind 9 to 13 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 76. South wind 8 to 10 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Clear, with a low around 76.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 75.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 75.
Independence Day
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Quincy IL
 39.93°N 91.35°W (Elev. 650 ft)
Last Update:
2:31 pm CDT Jun 27, 2026
Forecast Valid:
4pm CDT Jun 27, 2026-6pm CDT Jul 4, 2026
 
Forecast Discussion
 
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Additional Resources

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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