National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
 Point Forecast: Cahokia / St. Louis, St. Louis Downtown Airport IL
 38.57N 90.15W (Elev. 407 ft)
 Last Update: 9:31 am CST Dec 5, 2025
Hourly Weather Forecast Graph
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Additional Forecasts and Information
International System of UnitsForecast Discussion
7-Day ForecastTabular Forecast
City Digital FcstCounty Digital Fcst
Hazardous WeatherRiver Stages
STL Climate SummaryCOU Climate Summary
UIN Climate SummaryLocal Climatology
Weather Roundup