Forreston, IL 7-Day Night Weather Forecast
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Forreston, IL Weather Forecast


Forreston, IL Weather Forecast Date: 931 PM CDT Sun Sep 13 2026
The area/counties/county of: Ogle, including the cities of: Rochelle, Oregon, and Byron.or toggle through each period.
Rest of Tonight... Mostly clear. Patchy fog after midnight. Lows in the mid 40s. Northwest winds around 5 mph late in the evening, becoming light and variable.
Monday... Partly cloudy in the morning, then becoming mostly cloudy. Patchy fog early in the morning. A slight chance of showers in the afternoon. Highs in the mid 70s. East winds 10 to 15 mph, increasing to southeast 15 to 20 mph with gusts up to 25 mph in the afternoon. Chance of precipitation 20%.
Monday Night... Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers in the evening, then showers likely with a chance of thunderstorms after midnight. Much warmer with lows in the mid 60s. South winds 15 to 20 mph with gusts up to 25 mph. Chance of precipitation 70%.
Tuesday... Mostly cloudy. Showers with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. More humid with highs in the lower 80s. Southwest winds 10 to 15 mph, becoming west 5 to 10 mph in the afternoon. Chance of precipitation 80%.
Tuesday Night... Mostly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the upper 50s. North winds around 5 mph. Chance of precipitation 50%.
Wednesday... Showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 80%.
Wednesday Night... Mostly cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 60s. Chance of precipitation 70%.
Thursday... Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then a slight chance of showers in the afternoon. Highs in the upper 70s. Chance of precipitation 50%.
Thursday Night... Mostly cloudy. A chance of showers after midnight. Lows around 60. Chance of precipitation 40%.
Friday... Mostly cloudy with a chance of showers. Highs in the upper 70s. Chance of precipitation 50%.
Friday Night... Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. Lows in the lower 60s. Chance of precipitation 50%.
Saturday... Mostly cloudy with a chance of showers. Highs in the upper 70s. Chance of precipitation 50%.
Saturday Night... Mostly cloudy with a 50% chance of showers. Lows in the upper 50s.
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