Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Quincy Regional Airport-Baldwin Field (KUIN)

Lat: 39.94°NLon: 91.2°WElev: 759ft.

Fog/Mist

62°F

17°C

Humidity 100%
Wind Speed NW 5 mph
Barometer 30.04 in (1016.6 mb)
Dewpoint 62°F (17°C)
Visibility 5.00 mi
Last update 27 Aug 6:54 am CDT
Extended Forecast for

Clayton IL

  • Today

    Today: Sunny, with a high near 81. North wind 3 to 7 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. Light north wind.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. Calm wind.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. Calm wind becoming south around 5 mph after midnight.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 85. South wind 6 to 11 mph.

    High: 85 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 81. North wind 3 to 7 mph.
Tonight
Mostly clear, with a low around 60. Light north wind.
Friday
Sunny, with a high near 83. Calm wind.
Friday Night
Mostly clear, with a low around 62. Calm wind becoming south around 5 mph after midnight.
Saturday
Partly sunny, with a high near 85. South wind 6 to 11 mph.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 74.
Monday
Mostly sunny, with a high near 93.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Clayton IL
 40.03°N 90.94°W (Elev. 728 ft)
4:31 am CDT Aug 27, 2026
7am CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database