| NWS Forecast for: Grundy County Issued by: National Weather Service Chicago, IL Last Update: 304 PM CST Fri Mar 6 2026 | |
Late This Afternoon: Mostly cloudy. A chance of showers and thunderstorms. Breezy. Temperatures in the mid 70s. South winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 30 percent. Tonight: Mostly cloudy. A chance of showers in the evening. A chance of thunderstorms. Showers after midnight. Breezy. Lows in the upper 50s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 90 percent. Saturday: Mostly cloudy. A chance of showers and thunderstorms in the morning. Breezy with highs in the lower 60s. Temperature falling into the upper 40s in the afternoon. West winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 50 percent. Saturday Night: Mostly cloudy in the evening, then clearing. Lows in the mid 30s. West winds 10 to 15 mph, diminishing to 5 to 10 mph after midnight. Sunday: Partly cloudy in the morning, then clearing. Breezy with highs in the lower 60s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Sunday Night: Clear. Lows in the mid 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Monday: Sunny. Highs in the lower 70s. Monday Night: Mostly clear. Lows in the upper 40s. Tuesday: Mostly sunny in the morning, then partly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 70 percent. Tuesday Night: Showers with a chance of thunderstorms in the evening, then showers likely after midnight. Lows in the upper 30s. Chance of precipitation 80 percent. Wednesday: Mostly cloudy with a 50 percent chance of showers. Highs in the upper 40s. Wednesday Night: Partly cloudy. Lows in the upper 20s. Thursday: Sunny. Highs in the lower 50s. Thursday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 30s. Friday: Mostly cloudy and breezy. Highs in the lower 60s. | |
| Zone Forecast: Grundy County | |
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