An Active Start to the Week

A slow moving and large-scale system will produce widespread rain and thunderstorms the next few days across the central and southern Plains into the Mid to Lower Mississippi Valley. Severe storms will be common across Texas through Tuesday before spreading eastward. The locally heavy rain will produce possible flooding and have a similar transition to the east through midweek. Read More >

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

62°F

17°C

Humidity 50%
Wind Speed E 16 mph
Barometer 30.28 in (1025.3 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 23 May 9:53 am CDT
Extended Forecast for

Cahokia IL

  • Today

    Today: Mostly sunny, with a high near 69. East wind 9 to 14 mph.

    Mostly Sunny

    High: 69 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 53. East wind around 6 mph becoming calm  in the evening.

    Partly Cloudy

    Low: 53 °F

  • Tuesday

    Tuesday: Isolated showers between 1pm and 4pm, then isolated showers and thunderstorms after 4pm.  Partly sunny, with a high near 75. East wind 6 to 10 mph.  Chance of precipitation is 20%.

    Partly Sunny
    then Isolated
    T-storms

    High: 75 °F

  • Tuesday
    Night

    Tuesday Night: Showers and possibly a thunderstorm.  Low around 64. East wind around 9 mph.  Chance of precipitation is 100%.

    Showers

    Low: 64 °F

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 77. South wind 10 to 13 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%.

    Showers
    Likely

    High: 77 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 58. Chance of precipitation is 40%.

    Chance
    T-storms

    Low: 58 °F

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 70. Chance of precipitation is 20%.

    Slight Chance
    Showers then
    Slight Chance
    T-storms

    High: 70 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 55.

    Partly Cloudy

    Low: 55 °F

  • Friday

    Friday: Sunny, with a high near 79.

    Sunny

    High: 79 °F

Detailed Forecast

Today
Mostly sunny, with a high near 69. East wind 9 to 14 mph.
Tonight
Partly cloudy, with a low around 53. East wind around 6 mph becoming calm in the evening.
Tuesday
Isolated showers between 1pm and 4pm, then isolated showers and thunderstorms after 4pm. Partly sunny, with a high near 75. East wind 6 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 64. East wind around 9 mph. Chance of precipitation is 100%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. South wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Thursday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 70. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 88.
Click Map For Forecast
Point Forecast:
Cahokia IL
 38.55°N 90.15°W (Elev. 407 ft)
8:56 am CDT May 23, 2022
10am CDT May 23, 2022-6pm CDT May 29, 2022
 
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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