Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

68°F

20°C

Humidity 96%
Wind Speed Calm
Barometer 29.99 in (1015.0 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 3 Aug 11:53 pm CDT
Extended Forecast for

Summerfield IL

  • Overnight

    Overnight: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy fog before 8am.  Otherwise, sunny, with a high near 87. Light and variable wind.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. Light southeast wind.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 70. Southeast wind 3 to 6 mph.

    Low: 70 °F

    Partly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm.  Mostly cloudy, with a high near 84. Chance of precipitation is 70%.

    High: 84 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 84.

    High: 84 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers.  Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 65. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, sunny, with a high near 87. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 67. Light southeast wind.
Wednesday
Sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. Southeast wind 3 to 6 mph.
Thursday
Showers likely and possibly a thunderstorm before 1pm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 73.
Monday
Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Summerfield IL
 38.58°N 89.75°W (Elev. 453 ft)
10:21 pm CDT Aug 3, 2026
12am CDT Aug 4, 2026-6pm CDT Aug 10, 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