| NWS Forecast for: Jefferson County Issued by: National Weather Service Saint Louis, MO Last Update: 253 AM CDT Tue Apr 14 2026 | |
Today: Mostly sunny. Highs in the upper 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Tonight: Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms. Lows in the upper 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent. Wednesday: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. Southwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 70 percent. Wednesday Night: A chance of thunderstorms. Showers. Lows in the lower 60s. Southwest winds 5 to 10 mph. Chance of rain 80 percent. Thursday: Showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs around 80. Southwest winds 5 to 10 mph. Chance of rain 70 percent. Thursday Night: Mostly clear. Lows in the upper 50s. Friday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. Friday Night: Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 50s. Chance of rain 70 percent. Saturday: Partly sunny with a chance of showers. A slight chance of thunderstorms in the afternoon. Cooler with highs in the lower 70s. Chance of rain 50 percent. Saturday Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Much cooler with lows in the lower 40s. Chance of rain 20 percent. Sunday Through Monday: Mostly clear. Highs in the upper 60s. Lows around 40. | |
| Zone Forecast: Jefferson County | |
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