Thu Feb 20 05:04:27 AM EST 2025 Union County- Including the city of Clayton 302 AM MST Thu Feb 20 2025 .TODAY...Brisk, cold. Partly cloudy. Patchy freezing fog this morning. Highs in the upper 20s. South winds 15 to 25 mph. Caution advised on area lakes. Wind chill values as low as 12 below this morning. .TONIGHT...Brisk, cold. Partly cloudy. Lows around 11. South winds 20 to 25 mph, becoming southwest around 15 mph after midnight. Wind chill values as low as 6 below after midnight. .FRIDAY...Not as cool. Mostly sunny. Highs in the lower 40s. West winds around 15 mph, becoming north in the afternoon. Wind chill values as low as 4 below in the morning. .FRIDAY NIGHT...Mostly clear. Not as cold with lows in the lower 20s. .SATURDAY...Mostly sunny. Not as cool with highs in the upper 50s. .SATURDAY NIGHT AND SUNDAY...Mostly clear. Lows in the upper 20s. Highs in the lower 60s. .SUNDAY NIGHT THROUGH TUESDAY...Mostly clear. Lows in the mid 30s. Highs around 70. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 30s. .WEDNESDAY...Partly cloudy in the morning, then becoming mostly sunny. Highs around 60.