| NWS Forecast for: Lincoln County Issued by: National Weather Service Saint Louis, MO Last Update: 1027 PM CDT Sat Jul 18 2026 | |
| Overnight: Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Light and variable winds. Chance of rain 20 percent. Sunday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Northeast winds around 5 mph. Chance of rain 50 percent. Heat index values up to 102. Sunday Night: Mostly clear. A chance of showers and thunderstorms in the evening. Humid with lows around 70. East winds around 5 mph in the evening, becoming light and variable. Chance of rain 30 percent. Monday: Mostly sunny. Humid with highs in the lower 90s. Southeast winds around 5 mph, becoming south in the afternoon. Heat index values up to 105 in the afternoon. Monday Night: Mostly clear. Humid with lows in the upper 70s. Southwest winds around 5 mph. Heat index values up to 105 early in the evening. Tuesday And Tuesday Night: Mostly clear. Highs in the lower 90s. Lows in the upper 60s. Heat index values up to 105. Wednesday And Wednesday Night: Mostly clear. Highs in the mid 80s. Lows in the mid 60s. Thursday: Mostly sunny. Highs in the mid 80s. Thursday Night: Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 20 percent. Friday: Partly sunny. A chance of showers and thunderstorms, mainly in the morning. Highs in the mid 80s. Chance of rain 50 percent. Friday Night: Mostly cloudy in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 20 percent. Saturday: Mostly sunny. Highs around 90. | |
| Zone Forecast: Lincoln County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |