| NWS Forecast for: St. Francois County Issued by: National Weather Service Saint Louis, MO Last Update: 754 PM CDT Thu Oct 22 2026 |  |
| Tonight: Clear. Lows in the mid 40s. Light and variable winds. Friday: Patchy fog in the morning. Sunny. Highs in the mid 70s. Southeast winds around 5 mph. Friday Night: Mostly clear. Lows in the mid 40s. Southeast winds around 5 mph in the evening, becoming light and variable. Saturday: Mostly sunny. Highs in the mid 70s. Light and variable winds, becoming southeast around 5 mph in the afternoon. Saturday Night: Partly cloudy. Lows in the upper 40s. Light and variable winds. Sunday: Mostly sunny. Highs in the upper 70s. Sunday Night Through Tuesday Night: Mostly cloudy. Lows in the upper 40s. Highs in the mid 70s. Wednesday: Mostly sunny. Highs in the mid 70s. Wednesday Night: Mostly clear. A slight chance of showers after midnight. Lows in the mid 40s. Chance of rain 20 percent. Thursday: Mostly sunny. A slight chance of showers in the morning. Highs in the lower 70s. Chance of rain 20 percent. | |
| Zone Forecast: St. Francois County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |