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City of Oregon, IllinoisOregon, IL 7-Day Night Weather Forecast
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Oregon, IL Weather Forecast
Oregon, IL Weather Forecast Date: 705 PM CDT Wed Sep 02 2026
The area/counties/county of: Ogle, including the cities of: Rochelle, Oregon, and Byron.or toggle through each period.
Tonight... Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of precipitation 20%.
Thursday... Mostly cloudy. A slight chance of showers and thunderstorms early in the morning. A slight chance of showers and thunderstorms in the afternoon. Humid with highs around 90. Southwest winds 5 to 10 mph. Chance of precipitation 20%.
Thursday Night... Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms in the late evening and overnight. Humid with lows in the lower 70s. Southeast winds around 5 mph. Chance of precipitation 50%.
Friday... Partly cloudy. A slight chance of showers and thunderstorms in the morning. Humid with highs in the upper 80s. South winds around 5 mph. Chance of precipitation 20%.
Friday Night... Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Humid with lows around 70. Southeast winds around 5 mph. Chance of precipitation 50%.
Saturday... Partly cloudy with a slight chance of showers and thunderstorms. Highs in the mid 80s. Chance of precipitation 20%.
Saturday Night... Partly cloudy. A slight chance of showers after midnight. Lows in the mid 60s. Chance of precipitation 20%.
Sunday... Mostly cloudy. A slight chance of showers in the morning. Highs in the mid 80s. Chance of precipitation 20%.
Sunday Night... Partly cloudy. Lows in the mid 60s.
Labor Day... Partly cloudy. Highs in the lower 80s.
Monday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 60s.
Tuesday... Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s.
Tuesday Night... Partly cloudy with a 30% chance of showers. Lows in the upper 60s.
POP = Probability of Precipitation
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