Tue Jan 7 11:46:35 PM EST 2025 Williamson- Including the city of Herrin 1044 PM CST Tue Jan 7 2025 .TONIGHT...Mostly cloudy with scattered flurries. Cold with lows around 11. Northwest winds around 5 mph. .WEDNESDAY...Mostly sunny. Highs in the mid 20s. Northwest winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly clear. Cold with lows around 7 above. West winds around 5 mph in the evening, becoming light and variable. .THURSDAY...Sunny. Highs in the lower 30s. South winds around 5 mph. .THURSDAY NIGHT...Mostly cloudy. A chance of snow after midnight. Little or no snow accumulation. Not as cool. Near steady temperature in the mid 20s. South winds around 5 mph. Chance of snow 40 percent. .FRIDAY...Snow likely. Light snow accumulation possible. Highs in the lower 30s. Chance of snow 70 percent. .FRIDAY NIGHT...Mostly cloudy. A chance of snow in the evening. Lows 15 to 20. Chance of snow 30 percent. .SATURDAY...Mostly sunny. Highs in the lower 30s. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy. Lows around 20. Highs in the mid 30s. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs in the lower 30s. Lows around 15. .TUESDAY...Sunny. Highs in the upper 20s.