| NWS Forecast for: Brown County Issued by: National Weather Service Saint Louis, MO Last Update: 1043 PM CST Mon Jan 19 2026 |  |
| Overnight: Partly cloudy. Near steady temperature around 11. Southwest winds around 5 mph. Tuesday: Mostly sunny. Not as cool with highs in the mid 30s. South winds 5 to 10 mph. Wind chill values as low as 4 above in the morning. Tuesday Night: Mostly cloudy and not as cool. Near steady temperature in the lower 30s. South winds 10 to 15 mph, becoming southwest after midnight. Gusts up to 30 mph. Wednesday: Sunny. Highs in the upper 30s. West winds 10 to 15 mph with gusts up to 25 mph. Wednesday Night: Mostly clear in the evening, then becoming partly cloudy. Cooler with lows around 19. West winds 5 to 10 mph with gusts up to 25 mph. Thursday: Mostly sunny. Highs in the lower 30s. Thursday Night And Friday: Mostly cloudy. Lows zero to 5 above zero. Highs around 10 above. Wind chill values as low as 10 below. Friday Night And Saturday: Mostly cloudy. A 20 percent chance of snow. Lows 5 below to zero. Highs around 10 above. Wind chill values as low as 20 below. Saturday Night: Partly cloudy with a 20 percent chance of snow. Cold with lows around zero. Wind chill values as low as 10 below. Sunday: Mostly sunny. Highs around 20. Sunday Night And Monday: Mostly clear. Lows around 10 above. Highs in the lower 30s. Wind chill values as low as zero. | |
| Zone Forecast: Brown County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |