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Flag Center, IL Weather Forecast
Flag Center, IL Weather Forecast Date: 241 PM CDT Thu Sep 17 2026
The area/counties/county of: Ogle, including the cities of: Rochelle, Oregon, and Byron.or toggle through each period.
Late This Afternoon... Cloudy. A slight chance of showers or patchy drizzle. Temperatures in the mid 70s. North winds around 5 mph. Chance of precipitation 20%.
Tonight... Mostly cloudy. A slight chance of showers or patchy drizzle early in the evening. Lows around 60. Northeast winds 5 to 10 mph. Chance of precipitation 20%.
Friday... Mostly cloudy. A slight chance of showers in the afternoon. A slight chance of thunderstorms late. Highs in the lower 70s. East winds 5 to 10 mph. Chance of precipitation 20%.
Friday Night... Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Lows in the lower 60s. Southeast winds around 10 mph. Chance of precipitation 90%.
Saturday... Showers with a chance of thunderstorms. Humid with highs in the mid 70s. South winds 5 to 10 mph. Chance of precipitation near 100%.
Saturday Night... A chance of thunderstorms in the evening. Showers. A slight chance of thunderstorms after midnight. Lows in the lower 60s. Northeast winds 5 to 10 mph. Chance of precipitation 90%.
Sunday... A slight chance of thunderstorms. Showers likely, mainly in the morning. Highs in the upper 60s. Chance of precipitation 70%.
Sunday Night... Mostly cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 50s. Chance of precipitation 60%.
Monday... Showers likely, mainly in the morning. Highs in the lower 60s. Chance of precipitation 60%.
Monday Night... Mostly cloudy with a chance of showers. Lows in the lower 50s. Chance of precipitation 50%.
Tuesday... Mostly cloudy. Highs in the lower 60s.
Tuesday Night... Partly cloudy. Lows around 50.
Wednesday... Mostly cloudy. Highs in the upper 60s.
Wednesday Night... Partly cloudy. Lows in the lower 50s.
POP = Probability of Precipitation
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