7-Day Zone Forecast for Franklin County (Text-Only)
NWS Forecast for: Franklin County
Issued by: National Weather Service Saint Louis, MO
Last Update: 402 PM CDT Tue May 26 2026




Tonight: Mostly cloudy. Scattered showers and thunderstorms this evening, then a chance of showers after midnight. Lows in the lower 60s. East winds around 5 mph this evening, becoming light and variable. Chance of rain 50 percent.

Wednesday: Mostly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. North winds around 5 mph. Chance of rain 40 percent.

Wednesday Night: Partly cloudy. Lows around 60. East winds around 5 mph in the evening, becoming light and variable.

Thursday: Partly sunny. A slight chance of showers in the afternoon. Highs in the mid 80s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.

Thursday Night: Mostly cloudy with a 20 percent chance of showers. Lows in the lower 60s. East winds around 5 mph.

Friday: Mostly cloudy. A chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 40 percent.

Friday Night: A slight chance of thunderstorms in the evening. Mostly cloudy with a slight chance of showers. Lows around 60. Chance of rain 20 percent.

Saturday: Partly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent.

Saturday Night: A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows around 60. Chance of rain 20 percent.

Sunday: Mostly sunny. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 30 percent.

Sunday Night And Monday: Partly cloudy. A 20 percent chance of showers. Lows in the upper 50s. Highs in the lower 80s.

Monday Night And Tuesday: Mostly clear. Lows in the mid 50s. Highs around 80.







Zone Forecast: Franklin County

Visit your local NWS office at: https://www.weather.gov/lsx/