Thu Feb 20 04:36:42 AM EST 2025 De Kalb- Including the cities of DeKalb and Sycamore 336 AM CST Thu Feb 20 2025 .TODAY...Mostly sunny. Highs around 20. Northwest winds 10 to 15 mph with gusts up to 20 mph. Wind chill values as low as 16 below in the morning. .TONIGHT...Partly cloudy in the evening, then clearing. Lows around 1 above. Northwest winds 5 to 10 mph. Wind chill values as low as 9 below. .FRIDAY...Sunny. Highs around 20. West winds 5 to 10 mph. .FRIDAY NIGHT...Mostly clear. Lows around 6 above. Southwest winds 5 to 10 mph. Wind chill values as low as 9 below. .SATURDAY...Sunny. Highs in the mid 20s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows around 20. .SUNDAY...Partly sunny. Highs in the mid 30s. .SUNDAY NIGHT...Mostly cloudy. Nearly steady temperatures in the lower 30s. .MONDAY...Partly sunny. Highs in the lower 40s. .MONDAY NIGHT...Mostly cloudy. Lows in the lower 30s. .TUESDAY...Partly sunny. Highs in the mid 40s. .TUESDAY NIGHT...Mostly cloudy. Lows in the lower 30s. .WEDNESDAY...Partly sunny in the morning, then becoming mostly cloudy. A 40 percent chance of rain. Highs in the mid 40s.