St. Louis

Mild Temperatures and Sunny Skies Ahead for St. Louis, Warm Christmas Expected According to NWS Forecast

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Published on December 20, 2025
Mild Temperatures and Sunny Skies Ahead for St. Louis, Warm Christmas Expected According to NWS ForecastSource: Google Street View

The National Weather Service in St. Louis has forecast mostly sunny skies with a high near 55 degrees today, featuring south winds shifting northwest in the afternoon with possible gusts as strong as 23 mph. St. Louis residents can expect a transition to mostly cloudy skies, toward a nighttime low around 30 degrees, according to NWS. The winds, primarily from the north at 3 to 6 mph, will accompany the dropping temperatures.

Looking ahead to tomorrow, the weather service expects sunny conditions with highs reaching a brisk 45 degrees, followed by a partly cloudy night as temperatures dip to around 31 degrees. Winds will shift to the southeast at 3 to 7 mph.

Moving into the week, Monday's weather pattern presents as partly sunny with a high near 52 degrees, with south winds at a mild 7 to 9 mph. Monday night will see partly cloudy skies with lows settling around 46. Tuesday's forecast indicates mostly sunny conditions with a generous high near 62 degrees, climbing to near 70 by Wednesday. As Christmas Day approaches, St. Louis is in for a warm and sunny treat, with highs expected to soar to a near-unseasonable 75 degrees.

For the full forecast, including the latter half of the holiday week, residents can visit the National Weather Service’s website for updates.