


NWS Forecast for: Jefferson County Issued by: National Weather Service Saint Louis, MO Last Update: 159 AM CDT Thu Aug 28 2025 | ![]() |
Rest Of Tonight: Partly cloudy. Near steady temperature in the upper 50s. South winds around 5 mph. Thursday: Mostly sunny. Highs in the lower 80s. South winds around 5 mph. Thursday Night: Mostly clear. Lows in the mid 50s. South winds around 5 mph, becoming west after midnight. Friday: Sunny. Highs in the mid 80s. North winds around 5 mph, becoming east in the afternoon. Friday Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 50s. East winds around 5 mph. Saturday: Sunny. Highs in the mid 80s. Saturday Night And Sunday: Partly cloudy. Lows in the upper 50s. Highs in the lower 80s. Sunday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s. Labor Day And Monday Night: Partly cloudy. Highs in the lower 80s. Lows in the upper 50s. Tuesday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. Tuesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows around 60. Wednesday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. | |
Zone Forecast: Jefferson County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |