St. Louis

St. Louis Forecast Calls for Chilly Winds and Mostly Sunny Skies as Cool Week Continues

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Published on December 29, 2025
St. Louis Forecast Calls for Chilly Winds and Mostly Sunny Skies as Cool Week ContinuesSource: Unsplash/ chris robert

The National Weather Service in St. Louis forecasts a cold and windy week, with today’s high near 28 degrees. Wind chill values may fall to around minus 4 degrees Fahrenheit. According to the NWS, skies will be mostly sunny, with northwest winds between 11 and 20 mph and gusts reaching up to 36 mph. Humidity is at 59 percent, and barometric pressure is measured at 30.18 inches.

Conditions tonight are likely to be clear, with temperatures dropping to around 18 degrees. Northwest winds are forecast to continue at 8 to 15 mph, with gusts up to 22 mph. On Tuesday, cloud cover is expected to increase gradually, with a high near 37 degrees. West winds are forecast at 6 to 8 mph.

The remainder of the week is forecast to remain stable, as per the NWS. Tuesday night is forecast to be mostly clear, with lows around 29 degrees and west winds near 7 mph. Conditions later in the week are forecast to alternate between partly sunny and mostly cloudy skies. Wednesday’s high is forecast to reach about 44 degrees, with continued west winds. Wednesday night temperatures are forecast to fall to around 26 degrees under partly cloudy skies.

As the new year begins, the NWS forecasts mostly sunny conditions on New Year’s Day with a high near 37 degrees, followed by a cloudier Thursday night and a low around 24 degrees. Friday is expected to reach a high near 40 degrees, with mostly cloudy conditions overnight and a low around 27 degrees. Saturday is forecast to be sunny with a high near 41 degrees, followed by a partly cloudy night and a low around 24 degrees. On Sunday, skies are expected to be mostly sunny, with a high near 44 degrees.

Additional forecast details for St. Louis are available on the National Weather Service website, where regular updates are provided for current and upcoming weather conditions.