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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.

Fair

77°F

25°C

Humidity 64%
Wind Speed S 8 mph
Barometer 29.86 in (1010.6 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 May 10:53 pm CDT
Extended Forecast for

Fairview Heights IL

  • Overnight

    Overnight: Partly cloudy, with a low around 73. South wind around 13 mph, with gusts as high as 22 mph.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: Showers and thunderstorms likely, mainly between 1pm and 2pm. Mostly cloudy, with a high near 87. South wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    High: 87 °F

    T-storms
    Likely

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 71. South wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms, mainly after 7am. High near 85. South wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.

    High: 85 °F

    T-storms
    Likely then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms, mainly before 1am. Low around 58. North wind 7 to 10 mph. Chance of precipitation is 80%.

    Low: 58 °F

    T-storms

  • Wednesday

    Wednesday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 73. South wind around 13 mph, with gusts as high as 22 mph.
Monday
Showers and thunderstorms likely, mainly between 1pm and 2pm. Mostly cloudy, with a high near 87. South wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Monday Night
A slight chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 71. South wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Tuesday
Showers and thunderstorms, mainly after 7am. High near 85. South wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.
Tuesday Night
Showers and thunderstorms, mainly before 1am. Low around 58. North wind 7 to 10 mph. Chance of precipitation is 80%.
Wednesday
Partly sunny, with a high near 70.
Wednesday Night
Mostly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 57.
Friday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fairview Heights IL
 38.59°N 89.98°W (Elev. 561 ft)
Last Update:
1:16 am CDT May 18, 2026
Forecast Valid:
1am CDT May 18, 2026-6pm CDT May 24, 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