| NWS Forecast for: Knox County Issued by: National Weather Service Saint Louis, MO Last Update: 433 AM CDT Thu Aug 27 2026 | |
| Today: Sunny. Highs in the lower 80s. North winds around 5 mph. Tonight: Mostly clear. Lows around 60. North winds around 5 mph in the evening, becoming light and variable. Friday: Sunny. Highs in the mid 80s. Light and variable winds, becoming northeast around 5 mph in the afternoon. Friday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. Southeast winds around 5 mph. Saturday: Mostly sunny. Highs in the upper 80s. South winds 5 to 10 mph with gusts up to 20 mph. Saturday Night Through Monday: Partly cloudy. Lows in the lower 70s. Highs in the mid 90s. Monday Night And Tuesday: Partly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 70s. Highs in the lower 90s. Chance of rain 20 percent. Tuesday Night: Mostly clear. A slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 20 percent. Wednesday: Mostly sunny. Highs in the lower 90s. | |
| Zone Forecast: Knox County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |