| NWS Forecast for: Franklin County Issued by: National Weather Service Saint Louis, MO Last Update: 1051 AM CDT Sat Mar 14 2026 |  |
This Afternoon: Sunny. Highs in the upper 60s. Southeast winds 5 to 10 mph with gusts up to 25 mph. Tonight: Mostly clear in the evening, then becoming partly cloudy. Not as cool with lows in the mid 50s. South winds 5 to 10 mph with gusts up to 25 mph, increasing to 15 to 20 mph with gusts up to 35 mph after midnight. Sunday: A chance of rain in the morning, then rain in the afternoon. Breezy with highs in the upper 60s. Temperature falling into the upper 50s in the afternoon. Southwest winds 15 to 25 mph with gusts up to 40 mph. Chance of rain near 100 percent. Sunday Night: Rain, snow with a slight chance of sleet in the evening, then a chance of snow after midnight. Light snow accumulation. Breezy and much cooler with lows around 18. Northwest winds 15 to 25 mph with gusts up to 45 mph. Chance of precipitation near 100 percent. Wind chill values as low as 4 above after midnight. Monday: Mostly cloudy with a slight chance of snow in the morning, then partly sunny in the afternoon. Blustery and much cooler with highs in the upper 20s. Northwest winds 15 to 25 mph. Gusts up to 45 mph, decreasing to 35 mph in the afternoon. Chance of snow 20 percent. Wind chill values as low as zero. Monday Night: Mostly clear. Lows around 10 above. Wind chill values as low as 5 above. Tuesday: Mostly sunny. Not as cool with highs around 40. Tuesday Night: Mostly cloudy with a slight chance of rain and snow. Not as cool. Near steady temperature in the mid 30s. Chance of precipitation 20 percent. Wednesday: Mostly sunny. Not as cool with highs in the upper 60s. Wednesday Night And Thursday: Mostly clear. Lows in the lower 40s. Highs in the mid 70s. Thursday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s. Friday: Sunny. Highs in the mid 70s. | |
| Zone Forecast: Franklin County | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |