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NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment

After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Overcast

66°F

19°C

Humidity 68%
Wind Speed N 10 G 18 mph
Barometer 30.15 in (1020.8 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 20 May 3:53 pm CDT
Extended Forecast for

Summerfield IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. Northeast wind 5 to 9 mph.

    Low: 54 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 71. East wind 8 to 10 mph.

    High: 71 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 58. East wind 7 to 9 mph.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Showers, mainly after 7am. High near 73. East wind around 10 mph. Chance of precipitation is 90%.

    High: 73 °F

    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 60. East wind 5 to 8 mph becoming west after midnight.

    Low: 60 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 54. Northeast wind 5 to 9 mph.
Thursday
Partly sunny, with a high near 71. East wind 8 to 10 mph.
Thursday Night
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 58. East wind 7 to 9 mph.
Friday
Showers, mainly after 7am. High near 73. East wind around 10 mph. Chance of precipitation is 90%.
Friday Night
A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 60. East wind 5 to 8 mph becoming west after midnight.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Memorial Day
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summerfield IL
 38.58°N 89.75°W (Elev. 453 ft)
Last Update:
2:30 pm CDT May 20, 2026
Forecast Valid:
4pm CDT May 20, 2026-6pm CDT May 27, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation