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Shannon, IL Weather Forecast
Shannon, IL Weather Forecast Date: 126 PM CDT Sat Sep 12 2026
The area/counties/county of: Carroll, including the city of Mount Carroll.or toggle through each period.
This Afternoon... Partly sunny. Near steady temperature in the lower 80s. Northwest winds 5 to 10 mph.
Tonight... Mostly clear. Less humid with lows in the mid 50s. North winds 5 to 10 mph.
Sunday... Mostly sunny. Not as warm with highs in the lower 70s. North winds 5 to 10 mph.
Sunday Night... Mostly clear. Lows around 50. Northeast winds around 5 mph.
Monday... Partly sunny. A chance of showers in the afternoon. Highs in the mid 70s. Southeast winds 10 to 15 mph. Chance of rain 50%.
Monday Night... Showers likely with a chance of thunderstorms. Lows in the mid 60s. Highs in the lower 80s. Chance of rain 70%.
Tuesday... Showers likely with a chance of thunderstorms. Lows in the mid 60s. Highs in the lower 80s. Chance of rain 70%.
Tuesday Night... A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows around 60. Chance of rain 70%.
Wednesday... A chance of thunderstorms. Showers. Not as warm with highs in the lower 70s. Chance of rain 80%.
Wednesday Night... Showers likely. A chance of thunderstorms after midnight. Lows in the lower 60s. Chance of rain 70%.
Thursday... Mostly cloudy. A chance of showers in the morning. Highs in the mid 70s. Chance of rain 50%.
Thursday Night... Mostly cloudy. A 40% chance of showers. Lows in the upper 50s. Highs in the mid 70s.
POP = Probability of Precipitation
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