St. Louis

St. Louis Prepares for Weekend Cold Snap with Snow Chances in the Forecast

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Published on December 11, 2025
St. Louis Prepares for Weekend Cold Snap with Snow Chances in the ForecastSource: Google Street View

The National Weather Service in St. Louis has provided an update on the weather conditions for the coming week in the Saint Louis, MO area. Presently, the city is experiencing mostly cloudy skies with temperatures hovering around 29°F and a slight chance of snow forecasted for this afternoon. Winds are light and variable, expected to shift southeast later in the day with a slight uptick in speeds of 5 to 8 mph, as per the NWS forecast.

As we head into the evening, the skies will remain mostly cloudy with lows dropping to around 32°F. The southeast breeze will continue until the late-night hours, at which point, it will change to a northwest direction. The transition to a cooler wind signals that Friday is likely to be a touch warmer, with highs nearing 39°F under more predominantly cloudy skies. However, the warmth is a mere prelude to what the weekend has in store.

According to the NWS forecast, Saturday portends a 40 percent chance of snow, primarily in the afternoon. Temperatures are expected to peak at about 28°F, with northern winds contributing to the chill. By Saturday night, the lows will plummet steeply, likely hitting around 3°F, reinforcing the need for residents to brace for a severe drop in temperatures.

The cold snap will extend into Sunday, which is forecasted to be sunny yet frigid with highs only reaching 16°F. The conditions will improve slightly by Monday, with sunny skies and a more comfortable high around 40°F giving a brief reprieve from the chill. The trend upwards continues into Tuesday and Wednesday, where highs could reach the mid-40s and low-50s, respectively. A detailed report of this extended weather forecast can be found on the National Weather Service website.