| NWS Forecast for: Franklin County Issued by: National Weather Service Saint Louis, MO Last Update: 1044 PM CST Mon Dec 29 2025 | |
| Overnight: Mostly clear. Lows around 15. Northwest winds 5 to 10 mph with gusts up to 20 mph. Wind chill values as low as 5 above. Tuesday: Sunny. Not as cool with highs in the upper 30s. West winds 5 to 10 mph. Tuesday Night: Mostly clear. Not as cool with lows in the mid 20s. West winds 5 to 10 mph. Wednesday: Mostly sunny. Highs in the mid 40s. West winds 5 to 10 mph. Wednesday Night: Mostly clear. Lows in the mid 20s. West winds around 5 mph, becoming north after midnight. New Years Day And Thursday Night: Mostly cloudy. Highs in the mid 40s. Lows in the lower 30s. Friday And Friday Night: Mostly cloudy. Highs around 50. Lows in the upper 20s. Saturday And Saturday Night: Partly cloudy. Highs in the mid 40s. Lows in the upper 20s. Sunday Through Monday: Partly cloudy. Highs in the mid 50s. Lows in the mid 30s. | |
| Zone Forecast: Franklin County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |