Fri Feb 21 03:02:50 PM EST 2025 McHenry- Including the cities of Crystal Lake, Algonquin, McHenry, and Woodstock 202 PM CST Fri Feb 21 2025 .TONIGHT...Mostly clear. Lows around 9 above. Southwest winds around 10 mph. .SATURDAY...Mostly sunny. Highs in the lower 30s. 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 18. Southwest winds 5 to 10 mph. .SUNDAY...Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 30s. Southwest winds 5 to 10 mph. .SUNDAY NIGHT...Mostly cloudy. Nearly steady temperatures in the lower 30s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .MONDAY...Partly sunny. Highs in the mid 40s. .MONDAY NIGHT...Mostly cloudy with a 30 percent chance of rain. Lows in the mid 30s. .TUESDAY...Partly sunny. Highs in the mid 40s. .TUESDAY NIGHT...Mostly cloudy. Lows in the lower 30s. .WEDNESDAY...Mostly cloudy. A chance of rain in the morning, then rain likely in the afternoon. Highs in the mid 40s. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...Mostly cloudy. A chance of rain in the evening. Lows in the upper 20s. Chance of precipitation 40 percent. .THURSDAY...Partly sunny. Highs around 40. .THURSDAY NIGHT...Mostly cloudy. Lows in the mid 20s. .FRIDAY...Partly sunny. Highs in the lower 40s.