St. Clair- Including the cities of Tiffin, Appleton City, and Johnson City 142 PM CDT Mon Mar 27 2023 .THIS AFTERNOON...Sunny. Highs in the mid 50s. North winds around 5 mph. .TONIGHT...Mostly cloudy. A slight chance of rain after midnight. Lows in the upper 30s. North winds 5 to 10 mph. Chance of rain 20 percent. .TUESDAY...Mostly cloudy with a chance of rain in the morning, then mostly sunny in the afternoon. Highs in the lower 50s. North winds 5 to 10 mph. Chance of rain 40 percent. .TUESDAY NIGHT...Mostly clear. Cold with lows in the lower 30s. South winds around 5 mph. .WEDNESDAY...Sunny. Highs in the lower 60s. South winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly clear. Not as cool with lows in the lower 40s. .THURSDAY...Partly sunny and windy. Highs in the upper 60s. .THURSDAY NIGHT...Cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Breezy and not as cool. Near steady temperature in the lower 60s. Chance of rain 30 percent. .FRIDAY...Becoming partly sunny in the afternoon. A slight chance of thunderstorms. Showers likely, mainly in the morning. Windy with highs in the mid 70s. Chance of rain 70 percent. .FRIDAY NIGHT...Mostly clear. A slight chance of showers in the evening. Breezy and much cooler with lows in the upper 30s. Chance of rain 20 percent. .SATURDAY AND SATURDAY NIGHT...Mostly clear. Highs in the upper 50s. Lows in the lower 40s. .SUNDAY...Sunny, warmer with highs in the lower 70s. $$