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Shannon, IL Weather Tomorrow

Follow tomorrow's Shannon weather with an accurate 5 day outlook that includes precipitation probability, daily and nightly weather conditions, high and low temperature trends, sunrise and sunset information, sky cover, wind speed, wind direction, and wind chill for the Shannon area and around Carroll county, Illinois.
Updated: Sat Oct 3rd 2026 12:00 AM CDT
Shannon, IL Weather – 10-3 – Sunny
64° / 44°
Sunny
Daytime highs will reach 64°F with lows dropping to 44°F in Shannon, where it will be sunny. There's a very small chance of rainfall, only about 6%. Wind will be moderate, blowing around 11mph on average and gusts of 16.8mph at 4 AM. The humidity will be on the higher side, averaging about 67%, the maximum being 84% at 8 AM and 50% being its lowest at 2 PM. Barometric pressure is its highest of 30.32inHg at 2 AM, a lowest point of 30.14inHg at 5 PM with an avg 30.24inHg.
Shannon, IL Weather – 10-4 – Sunny
68° / 49°

Weather Tomorrow

Sunny
It will be sunny in Shannon, with a high of 68°F and a low of 49°F. There's a very small chance of rainfall, only about 9%. Wind will be moderate, blowing around 12mph on average and gusts of 17.3mph at 9 PM. The humidity will be on the higher side, averaging about 74%, the maximum being 83% at 8 AM and 62% being its lowest at 3 PM. Barometric pressure is its highest of 30.23inHg at 11 PM, a lowest point of 30.1inHg at 4 PM with an avg 30.14inHg.
Shannon, IL Weather – 10-5 – Sunny
63° / 46°
Sunny
In Shannon, it will be sunny with highs near 63°F and lows around 46°F. There's a very small chance of rainfall, only about 5%. Winds will be light at 7mph and gusts of 13mph at 11 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 82% at 8 AM and 50% being its lowest at 3 PM. Barometric pressure is its highest of 30.31inHg at 10 AM, a lowest point of 30.21inHg at 5 PM with an avg 30.25inHg.
Shannon, IL Weather – 10-6 – Sunny
67° / 45°
Sunny
In Shannon, bright and sunny conditions with highs near 67°F and lows around 45°F. There's a very small chance of rainfall, only about 6%. Wind will be moderate, blowing around 15mph on average and gusts of 29.8mph at 11 PM. The humidity will be on the higher side, averaging about 72%, the maximum being 84% at 7 AM and 58% being its lowest at 2 PM. Barometric pressure is its highest of 30.23inHg at 12 AM, a lowest point of 29.94inHg at 11 PM with an avg 30.09inHg.
Shannon, IL Weather – 10-7 – Sunny
74° / 52°
Sunny
In Shannon, it will be sunny with highs near 74°F and lows around 52°F. There's a very small chance of rainfall, only about 9%. Wind will be moderate, blowing around 13mph on average and gusts of 29.5mph at 12 AM. The humidity will be on the higher side, averaging about 77%, the maximum being 91% at 10 PM and 64% being its lowest at 1 PM. Barometric pressure is its highest of 29.94inHg at 2 AM, a lowest point of 29.83inHg at 4 PM with an avg 29.89inHg.
Shannon, IL Weather – 10-8 – Partly Cloudy
72° / 52°
Partly Cloudy
Skies will be cloudy in Shannon, with a high of 72°F and a low of 52°F. There's a very small chance of rainfall, only about 9%. Winds will be light at 9mph and gusts of 26.6mph at 11 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 89% at 12 AM and 49% being its lowest at 1 PM. Barometric pressure is its highest of 30.06inHg at 11 AM, a lowest point of 29.91inHg at 12 AM with an avg 29.99inHg.

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