| NWS Forecast for: St. Louis County Issued by: National Weather Service Saint Louis, MO Last Update: 548 PM CDT Sun Mar 22 2026 |  |
Tonight: Partly cloudy this evening, then clearing. Breezy and much cooler with lows in the mid 30s. North winds 15 to 25 mph with gusts up to 40 mph. Monday: Mostly sunny. Much cooler with highs in the mid 50s. Northeast winds 10 to 15 mph. Gusts up to 30 mph in the morning. Monday Night: Mostly cloudy. Lows in the upper 30s. East winds around 5 mph. Tuesday: Mostly sunny. Highs in the lower 60s. Southeast winds 5 to 10 mph. Tuesday Night: Partly cloudy. Lows in the lower 40s. Southeast winds around 5 mph. Wednesday And Wednesday Night: Partly cloudy. Highs in the mid 70s. Lows around 60. Thursday: Sunny. A slight chance of rain and thunderstorms in the afternoon. Warmer with highs in the upper 80s. Chance of rain 20 percent. Thursday Night: Partly cloudy with a chance of rain and thunderstorms in the evening, then mostly cloudy with rain likely after midnight. Much cooler with lows in the lower 40s. Chance of rain 60 percent. Friday: Partly sunny. A chance of rain, mainly in the morning. Much cooler with highs in the lower 50s. Chance of rain 50 percent. Friday Night And Saturday: Mostly clear. Lows in the lower 30s. Highs in the upper 50s. Saturday Night: Partly cloudy. Lows in the upper 30s. Sunday: Partly sunny. Highs in the mid 60s. | |
| Zone Forecast: St. Louis County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |