| NWS Forecast for: Lincoln County Issued by: National Weather Service Saint Louis, MO Last Update: 422 AM CDT Wed Sep 9 2026 | |
| Today: Mostly sunny. A slight chance of showers and thunderstorms this morning, then a chance of showers and thunderstorms this afternoon. Highs in the lower 90s. Southwest winds 5 to 10 mph, becoming west this afternoon. Chance of rain 50 percent. Heat index values up to 102. Tonight: Thunderstorms likely. Showers likely in the evening, then showers after midnight. Locally heavy rainfall possible after midnight. Humid with lows in the upper 60s. North winds around 5 mph in the evening, becoming light and variable. Chance of rain near 100 percent. Thursday: Showers with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Cooler with highs in the upper 70s. North winds around 5 mph. Chance of rain near 100 percent. Thursday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 60s. Northeast winds around 5 mph in the evening, becoming light and variable. Friday: Mostly sunny. Highs in the lower 80s. Southeast winds around 5 mph. Friday Night: Mostly clear. A slight chance of showers after midnight. Lows in the mid 60s. Chance of rain 20 percent. Saturday: Partly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent. Saturday Night: Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Lows in the mid 60s. Chance of rain 50 percent. Sunday: Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. Sunday Night And Monday: Partly cloudy. Lows in the upper 60s. Highs in the lower 90s. Heat index values up to 100. Monday Night: Mostly clear with a chance of showers with a slight chance of thunderstorms. Lows in the upper 60s. Chance of rain 50 percent. Tuesday: Mostly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent. | |
| Zone Forecast: Lincoln County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |