| NWS Forecast for: Boone County Issued by: National Weather Service Chicago, IL Last Update: 251 AM CDT Thu May 21 2026 | |
Today: Mostly cloudy. A slight chance of sprinkles in the morning. Highs in the lower 60s. East winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Tonight: Mostly cloudy. Lows in the mid 40s. East winds 10 to 15 mph. Friday: Mostly cloudy. A slight chance of showers in the afternoon. Highs in the mid 60s. East winds 10 to 15 mph, increasing to 15 to 20 mph in the afternoon. Chance of precipitation 20 percent. Friday Night: Cloudy. A chance of showers. Lows around 50. East winds 10 to 15 mph. Gusts up to 25 mph in the evening. Chance of precipitation 50 percent. Saturday: Mostly cloudy. A slight chance of showers in the morning. Highs in the lower 70s. North winds around 10 mph, becoming northwest in the afternoon. Chance of precipitation 20 percent. Saturday Night: Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 50s. Chance of precipitation 20 percent. Sunday: Mostly cloudy in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 20 percent. Sunday Night: Partly cloudy in the evening, then clearing. Lows in the lower 50s. Memorial Day: Partly cloudy in the morning, then clearing. Highs in the lower 80s. Monday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. Tuesday: Partly cloudy. Highs in the lower 80s. Tuesday Night: Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 50s. Chance of precipitation 30 percent. Wednesday: Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers. Highs in the mid 80s. Chance of precipitation 40 percent. | |
| Zone Forecast: Boone County | |
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