St. Louis

St. Louis Weather Update, Mild and Partly Sunny Skies Ahead

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Published on December 22, 2025
St. Louis Weather Update, Mild and Partly Sunny Skies AheadSource: Google Street View

The National Weather Service in St. Louis has provided the latest weather details for Saint Louis, MO, forecasting an increase in cloud coverage today with a high reaching near 54 degrees Fahrenheit, as a southward wind blows at 6 to 9 mph. This evening, residents can expect partly cloudy skies with a temperature drop around 46 degrees.

Looking ahead to Tuesday, the day promises mostly sunny skies with temperatures climbing to an amiable 64 degrees, a slight shift from today's colder embrace—although the southwest wind will slow to a calm pace by the afternoon, NWS reports. As the night descends, a shift occurs, bringing mostly cloudy conditions with lows hovering around 47 degrees.

The midweek forecast anticipates mostly cloudy days, with Wednesday's high nearly hitting the 70-degree mark, led by a soft south wind moving at 5 to 9 mph. The warmth lingers into Christmas Day, with a partly sunny sky and an impressive high of approximately 75 degrees, a generous gift for those celebrating in St. Louis.

The post-holiday forecast maintains this upward trajectory, with Friday shining brightly and the temperature reaching 68 degrees. However, the weekend brings clouds, and a slight chance of showers with it, culminating Sunday in a mostly sunny day and a cooler high of around 46 degrees.

All of these detailed updates and more can be accessed through the NWS website, ensuring that St. Louis citizens can stay informed and prepared as they go about their week.