| NWS Forecast for: Franklin County Issued by: National Weather Service Saint Louis, MO Last Update: 1227 AM CDT Fri Sep 25 2026 |  |
| Rest Of Tonight: Mostly cloudy. Lows in the mid 50s. Light and variable winds. Friday: Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 70s. East winds around 5 mph. Friday Night: Mostly cloudy. Lows around 60. East winds around 5 mph. Saturday: Mostly cloudy with a 20 percent chance of showers. Highs in the lower 70s. East winds around 5 mph. Saturday Night: Mostly cloudy with a 20 percent chance of showers. Lows in the upper 50s. East winds around 5 mph in the evening, becoming light and variable. Sunday: Mostly cloudy with a slight chance of showers in the morning, then partly sunny in the afternoon. Highs in the mid 70s. Chance of rain 20 percent. Sunday Night And Monday: Partly cloudy. Lows in the upper 50s. Highs in the upper 70s. Monday Night: Partly cloudy. A slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 20 percent. Tuesday: Partly sunny with a 40 percent chance of showers. Highs around 80. Tuesday Night: Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the mid 60s. Chance of rain 50 percent. Wednesday: Showers likely. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 70 percent. Wednesday Night: Mostly cloudy with a 50 percent chance of showers. Lows in the lower 60s. Thursday: Mostly sunny with a 40 percent chance of showers. Highs in the upper 70s. | |
| Zone Forecast: Franklin County | |
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