Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

77°F

25°C

Humidity 58%
Wind Speed N 6 mph
Barometer 30.00 in (1015.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 27 Aug 7:53 pm CDT
Extended Forecast for

Summerfield IL

  • Tonight

    Tonight: Mostly clear, with a low around 63. North wind around 5 mph becoming calm  in the evening.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. Light north wind.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Calm wind becoming south around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. Southeast wind around 5 mph.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Monday Night

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

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 63. North wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 86. Light north wind.
Friday Night
Mostly clear, with a low around 63. Calm wind.
Saturday
Sunny, with a high near 88. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 68. Southeast wind around 5 mph.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 72.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny and hot, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
Summerfield IL
 38.61°N 89.75°W (Elev. 482 ft)
7:56 pm CDT Aug 27, 2026
8pm CDT Aug 27, 2026-6pm CDT Sep 3, 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