Knox- Including the city of Mount Vernon 916 PM EDT Fri Apr 19 2024 .REST OF TONIGHT...Mostly cloudy. Much cooler with lows in the lower 40s. West winds 5 to 10 mph. .SATURDAY...Mostly sunny in the morning, then becoming partly cloudy. Cooler with highs around 50. West winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 30s. Northwest winds 5 to 10 mph. .SUNDAY...Partly cloudy. Highs in the mid 50s. West winds 5 to 10 mph. .SUNDAY NIGHT...Clear. Areas of frost after midnight. Lows in the mid 30s. Northwest winds 5 to 10 mph. .MONDAY...Areas of frost in the morning. Sunny. Highs around 60. .MONDAY NIGHT...Mostly clear in the evening, then becoming mostly cloudy. Lows in the lower 40s. .TUESDAY...Partly sunny in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs in the lower 60s. Chance of rain 30 percent. .TUESDAY NIGHT...Showers. Lows in the mid 40s. Chance of rain 80 percent. .WEDNESDAY...Partly cloudy. Showers, mainly in the morning. Highs in the mid 50s. Chance of rain 80 percent. .WEDNESDAY NIGHT...Mostly clear. Cooler with lows in the lower 30s. .THURSDAY...Sunny. Highs in the upper 50s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. .FRIDAY...Partly cloudy. A chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 30 percent. $$