| NWS Forecast for: Callaway County Issued by: National Weather Service Saint Louis, MO Last Update: 128 PM CDT Tue Aug 4 2026 | |
| This Afternoon: Sunny. Near steady temperature in the upper 80s. South winds 5 to 10 mph. Tonight: Mostly clear in the evening, then becoming partly cloudy. Lows around 70. Southeast winds around 5 mph. Wednesday: Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. South winds 5 to 10 mph. Chance of rain 50 percent. Wednesday Night: Thunderstorms likely with a chance of showers in the evening, then showers and thunderstorms after midnight. Lows in the upper 60s. East winds 5 to 10 mph. Chance of rain 80 percent. Thursday: Partly sunny. Showers and thunderstorms in the morning. Highs in the lower 80s. South winds around 5 mph, becoming southwest in the afternoon. Chance of rain 80 percent. Thursday Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 50 percent. Friday: Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 50 percent. Friday Night: Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear with a slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 50 percent. Saturday: Sunny. Highs in the upper 80s. Saturday Night: Mostly clear. A slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 20 percent. Sunday: Sunny. A slight chance of showers in the morning. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100. Sunday Night And Monday: Mostly clear. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 105. | |
| Zone Forecast: Callaway County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |