| NWS Forecast for: Grundy County Issued by: National Weather Service Chicago, IL Last Update: 1047 AM CST Sat Nov 22 2025 |  |
| Rest Of Today: Mostly sunny late in the morning, then becoming mostly cloudy. Highs around 50. South winds 5 to 10 mph. Tonight: Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 30s. Southwest winds around 10 mph, becoming west after midnight. Sunday: Sunny. Highs in the mid 50s. West winds 5 to 10 mph. Sunday Night: Clear in the evening, then becoming partly cloudy. Lows in the lower 30s. South winds around 5 mph. Monday: Mostly cloudy. A slight chance of rain in the afternoon. Highs in the mid 50s. South winds 5 to 10 mph. Chance of precipitation 20 percent. Monday Night: Rain. Near steady temperature in the upper 40s. Chance of precipitation near 100 percent. Tuesday: Mostly cloudy with a 40 percent chance of rain. Highs in the upper 50s. Tuesday Night: Mostly cloudy. A slight chance of rain in the evening. Lows in the lower 30s. Chance of precipitation 20 percent. Wednesday: Mostly cloudy. Highs in the lower 40s. Wednesday Night: Partly cloudy. Lows in the mid 20s. Thanksgiving Day: Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 30s. Thursday Night: Partly cloudy. Lows in the lower 20s. Friday: Partly cloudy. Highs in the mid 30s. | |
| Zone Forecast: Grundy County | |
Visit your local NWS office at: https://www.weather.gov/lot |