| NWS Forecast for: Winnebago County Issued by: National Weather Service Chicago, IL Last Update: 221 PM CDT Mon May 4 2026 | |
Tonight: Mostly cloudy. Scattered showers and thunderstorms early in the evening. Isolated showers late. Lows in the upper 40s. Northwest winds 5 to 10 mph. Chance of precipitation 50 percent. Tuesday: Mostly cloudy. Highs in the upper 50s. Northwest winds 5 to 10 mph. Tuesday Night: Mostly cloudy. Lows in the upper 30s. Northwest winds around 5 mph. Wednesday: Mostly cloudy. Highs in the mid 50s. Northwest winds 5 to 10 mph. Wednesday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 30s. Northwest winds 5 to 10 mph. Thursday: Partly cloudy in the morning, then mostly cloudy with a slight chance of showers in the afternoon. Highs in the upper 50s. Chance of precipitation 20 percent. Thursday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 40s. Friday: Partly cloudy in the morning, then mostly cloudy with a slight chance of showers in the afternoon. Highs in the mid 60s. Chance of precipitation 20 percent. Friday Night: Partly cloudy in the evening, then clearing. Lows in the lower 40s. Saturday: Mostly sunny. Highs around 70. Saturday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s. Sunday: Mostly cloudy with a 30 percent chance of showers. Highs in the mid 60s. Sunday Night: Mostly cloudy. Lows in the lower 40s. Monday: Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 60s. | |
| Zone Forecast: Winnebago County | |
Visit your local NWS office at: https://www.weather.gov/lot |