National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

81°F

27°C

Humidity 44%
Wind Speed SW 13 G 23 mph
Barometer 29.89 in (1011.7 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 31 Mar 12:53 pm CDT
Extended Forecast for

Fairview Heights IL

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 85. Southwest wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 61. Southwest wind 6 to 9 mph becoming northwest after midnight. Chance of precipitation is 60%.

    Low: 61 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 76. Northeast wind 5 to 9 mph becoming south in the afternoon. Chance of precipitation is 70%.

    High: 76 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: Rain likely, then rain and possibly a thunderstorm after 10am. High near 77. Breezy, with a south wind 16 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 80%.

    High: 77 °F

    Rain and
    Breezy

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.

    Low: 60 °F

    Rain Likely

  • Friday

    Friday: A chance of rain, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 50%.

    High: 81 °F

    Chance Rain
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

    Low: 61 °F

    Chance
    T-storms then
    Rain Likely

  • Saturday

    Saturday: Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.

    High: 69 °F

    Rain Likely

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 85. Southwest wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 61. Southwest wind 6 to 9 mph becoming northwest after midnight. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 76. Northeast wind 5 to 9 mph becoming south in the afternoon. Chance of precipitation is 70%.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Thursday
Rain likely, then rain and possibly a thunderstorm after 10am. High near 77. Breezy, with a south wind 16 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 80%.
Thursday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Friday
A chance of rain, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Friday Night
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 41.
Sunday
A 20 percent chance of rain. Mostly sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fairview Heights IL
 38.59°N 89.98°W (Elev. 561 ft)
Last Update:
11:21 am CDT Mar 31, 2026
Forecast Valid:
1pm CDT Mar 31, 2026-6pm CDT Apr 6, 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