| NWS Forecast for: Brown County Issued by: National Weather Service Saint Louis, MO Last Update: 217 AM CDT Tue May 19 2026 |  |
Rest Of Tonight: Showers with a chance of thunderstorms. Near steady temperature in the mid 60s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 80 percent. Tuesday: Cloudy. Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Temperature falling into the lower 60s in the afternoon. Southwest winds around 10 mph, becoming northwest in the afternoon. Chance of rain 70 percent. Tuesday Night: Mostly cloudy. Much cooler. Less humid with lows around 50. North winds 5 to 10 mph with gusts up to 20 mph. Wednesday: Mostly sunny. Highs in the upper 60s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Wednesday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Thursday: Mostly cloudy. Highs in the upper 60s. Thursday Night: Cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 50s. Chance of rain 70 percent. Friday: Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 70 percent. Friday Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 50s. Chance of rain 20 percent. Saturday: Mostly cloudy. Highs in the mid 70s. Saturday Night And Sunday: Mostly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the lower 80s. Chance of rain 20 percent. Sunday Night: Mostly cloudy. A slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 20 percent. Memorial Day: Mostly cloudy in the morning, then becoming partly sunny. A slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. | |
| Zone Forecast: Brown County | |
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