| NWS Forecast for: Grundy County Issued by: National Weather Service Chicago, IL Last Update: 214 PM CST Wed Dec 3 2025 | |
Late This Afternoon: Snow. Temperatures in the lower 30s. Northwest winds around 10 mph. Chance of precipitation 80 percent. Tonight: Mostly cloudy in the evening, then becoming partly cloudy. Snow likely early in the evening, then a chance of flurries late in the evening. Little or no snow accumulation. Turning sharply colder. Lows around 1 above. Northwest winds 5 to 10 mph. Chance of precipitation 70 percent. Wind chill values as low as 9 below after midnight. Thursday: Sunny. Very cold with highs around 12. Northwest winds around 5 mph, becoming west in the afternoon. Thursday Night: Mostly clear in the evening, then becoming partly cloudy. Very cold with lows around 6 below. Temperature rising to around 2 above after midnight. Light and variable winds, becoming south around 5 mph after midnight. Friday: Partly cloudy. Highs in the mid 20s. Southwest winds 5 to 10 mph. Friday Night: Mostly cloudy. A slight chance of snow showers in the evening. Lows around 19. Southwest winds around 5 mph. Chance of precipitation 20 percent. Saturday: Mostly cloudy. Highs in the upper 20s. Saturday Night: Mostly cloudy. A slight chance of snow in the evening, then a chance of snow after midnight. Lows around 15. Chance of precipitation 30 percent. Sunday: Mostly cloudy. Highs in the mid 20s. Sunday Night: Mostly cloudy. Lows zero to 5 above zero. Monday: Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 20s. Monday Night: Mostly cloudy with a 40 percent chance of snow. Lows around 10 above. Temperature rising into the lower 20s after midnight. Tuesday: Mostly cloudy. Highs in the lower 30s. Tuesday Night: Mostly cloudy with a chance of snow. A chance of freezing rain after midnight. Near steady temperature in the mid 20s. Chance of precipitation 40 percent. Wednesday: Mostly cloudy with a chance of rain and snow. Highs in the mid 30s. Chance of precipitation 40 percent. | |
| Zone Forecast: Grundy County | |
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