St. Louis

St. Louis Forecast as Warm and Sunny Christmas Day Ahead with Unseasonal Highs

AI Assisted Icon
Published on December 19, 2025
St. Louis Forecast as Warm and Sunny Christmas Day Ahead with Unseasonal HighsSource: Google Street View

The National Weather Service in St. Louis, MO, has provided a detailed forecast for the upcoming week, promising a range of temperatures and mostly clear skies. Locals can look forward to increasingly warmer weather, peaking with a high near 72 degrees on Christmas Day.

December's grip remains evident with today's update showing fair conditions at a brisk 24°F, a wind chill making it feel like 11°F. According to NWS, the rest of today will see sunny skies with a high near 39, and tonight, temperatures are expected to drop to around 32, with clear skies persisting. Gusty winds potentially reaching up to 28 mph by afternoon.

The forecast is mostly sunny conditions on Saturday and a high near 55. It's a suitable setup for any last-minute holiday errands, although winds could gust as high as 22 mph in the afternoon. The clear trend breaks slightly on Sunday night, leading to a mostly cloudy sky and a low around 31 degrees. A partly sunny Monday with a high near 48, followed by a series of mostly cloudy nights. Tuesday's temperatures trend with a high near 61 degrees, for an unusually warm and mostly sunny Christmas Day.