St. Louis

St. Louis Weather Forecast Calls for Snow and Extreme Cold This Weekend

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Published on January 22, 2026
St. Louis Weather Forecast Calls for Snow and Extreme Cold This WeekendSource: Unsplash/ YUNXI SHI

St. Louis residents are expected to see winter weather this weekend, as the National Weather Service in St. Louis forecasts heavy snow and very low wind chills. A winter storm watch is in effect from late Friday night through Sunday morning, according to the NWS. Forecasts indicate possible total snow accumulations of 4 to 8 inches.

The areas affected include parts of south central and southwest Illinois, as well as central, east central, and southeast Missouri. Today’s forecast calls for partly sunny skies with a high near 38°F. Temperatures are expected to drop tonight, leading into a weekend of heavy snow and cold, with highs only reaching the mid-teens. Officials warn that travel may be very difficult and advise residents to stay updated on the latest conditions.

In addition to snow, wind chills are expected to drop to 10 to 25 below zero in parts of central and northeast Missouri and west central Illinois late tonight. A Cold Weather Advisory is in effect from midnight Friday night to noon CST Saturday. The advisory warns that wind chills as low as 15 below zero could cause hypothermia or frostbite if proper precautions are not taken.

Snow accumulation is expected to affect weekend activities and may impact Monday morning’s commute. Residents are advised to take precautions such as salting roads and sidewalks and using other safety measures. The advisory also recommends wearing warm clothing, including a hat and gloves. The NWS advises staying updated by monitoring the latest forecasts.