Union County- Including the city of Clayton 303 AM MDT Fri Mar 29 2024 .TODAY...Windy. Partly cloudy this morning, then becoming mostly sunny. Highs in the lower 70s. West winds 20 to 30 mph. Caution advised on area lakes. .TONIGHT...Windy. Mostly clear. Lows in the upper 30s. West winds 25 to 30 mph with gusts up to 40 mph, diminishing to around 15 mph after midnight. .SATURDAY...Windy. Mostly sunny. Highs in the mid 70s. Southwest winds around 15 mph, increasing to 20 to 30 mph with gusts up to 45 mph in the afternoon. .SATURDAY NIGHT...Mostly clear and breezy. Lows in the mid 40s. Southwest winds 15 to 25 mph. .SUNDAY...Partly cloudy. Patchy blowing dust. Windy with highs around 70. Southwest winds 25 to 35 mph. Gusts up to 50 mph in the afternoon. .SUNDAY NIGHT...Mostly clear and windy. Lows in the upper 30s. .MONDAY AND MONDAY NIGHT...Partly cloudy with a chance of rain showers, a slight chance of thunderstorms and snow showers. Highs in the upper 50s. Lows around 30. Chance of precipitation 50 percent. .TUESDAY...Partly cloudy. A slight chance of rain and snow showers in the morning. Breezy with highs in the lower 50s. Chance of precipitation 20 percent. .TUESDAY NIGHT AND WEDNESDAY...Mostly clear and breezy. Lows in the lower 30s. Highs in the lower 60s. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear and breezy. Lows in the upper 30s. Highs in the upper 60s. $$