| NWS Forecast for: Lewis County Issued by: National Weather Service Saint Louis, MO Last Update: 839 AM CST Mon Dec 29 2025 |  |
| Today: Mostly cloudy this morning, then becoming mostly sunny. Blustery and much cooler with highs in the mid 20s. Northwest winds 15 to 25 mph. Gusts up to 40 mph this morning. Wind chill values as low as 9 below this morning. Tonight: Mostly clear. Near steady temperature around 17. Northwest winds 10 to 15 mph with gusts up to 25 mph. Wind chill values as low as 3 above. Tuesday: Mostly sunny. Not as cool with highs in the mid 30s. West winds 5 to 10 mph with gusts up to 20 mph. Wind chill values as low as 5 above in the morning. Tuesday Night: Mostly clear in the evening, then becoming partly cloudy. Not as cool with lows in the mid 20s. West winds 5 to 10 mph with gusts up to 20 mph. Wednesday: Partly sunny. Highs in the upper 30s. Northwest winds 5 to 10 mph with gusts up to 20 mph. Wednesday Night Through Thursday Night: Partly cloudy. Lows around 20. Highs around 30. Friday And Friday Night: Mostly cloudy. Highs in the mid 30s. Lows in the lower 20s. Saturday: Sunny. Highs in the mid 30s. Saturday Night And Sunday: Partly cloudy. Lows around 20. Highs around 40. | |
| Zone Forecast: Lewis County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |