| NWS Forecast for: Lewis County Issued by: National Weather Service Saint Louis, MO Last Update: 418 AM CST Tue Feb 24 2026 |  |
Today: Mostly cloudy. Not as cool with highs in the mid 50s. South winds 15 to 20 mph, becoming southwest this afternoon. Gusts up to 40 mph. Tonight: Mostly cloudy. Not as cool with lows in the upper 20s. Northwest winds 5 to 10 mph. Gusts up to 25 mph in the evening. Wednesday: Mostly sunny. Highs in the upper 40s. North winds around 5 mph. Wednesday Night: Rain likely. Lows in the lower 30s. East winds 5 to 10 mph. Chance of rain 70 percent. Thursday: Mostly sunny. Highs in the upper 40s. Northeast winds 5 to 10 mph, becoming northwest in the afternoon. Thursday Night: Mostly clear. Lows in the lower 30s. Friday: Sunny. Not as cool with highs in the mid 60s. Friday Night: Mostly clear. Lows in the mid 30s. Saturday And Saturday Night: Partly cloudy. Highs in the upper 50s. Lows in the mid 20s. Sunday: Partly sunny with a slight chance of rain and snow in the morning, then mostly cloudy with a chance of rain and snow in the afternoon. Much cooler with highs around 40. Chance of precipitation 40 percent. Sunday Night: Mostly cloudy with a chance of snow and rain. Lows in the upper 20s. Chance of precipitation 50 percent. Monday: A chance of snow in the morning. Partly sunny with a chance of rain. Highs in the lower 40s. Chance of precipitation 40 percent. | |
| Zone Forecast: Lewis County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |