South Pekin, IL Weather Tomorrow

Access tomorrow's South Pekin weather forecast and the next 5 days of weather details, including precipitation chances, day and night conditions, high and low temperatures in Fahrenheit and Celsius, sunrise, sunset, sky conditions, wind chill, and wind speed with direction for the South Pekin area and around Tazewell county, Illinois.
Updated: Wed Sep 23rd 2026 11:45 PM CDT
South Pekin, IL Weather – 9-23 – Overcast
71° / 55°
Overcast
South Pekin, IL Weather – 9-24 – Overcast
73° / 56°

Weather Tomorrow

Overcast
South Pekin may see overcast, with daytime highs of 73°F and overnight lows near 56°F. There might be light rainfall having a 14% chance. Winds will be light at 9mph and gusts of 16.1mph at 1 AM. The humidity will be on the higher side, averaging about 75%, the maximum being 94% at 5 AM and 51% being its lowest at 2 PM. Barometric pressure is its highest of 30.31inHg at 8 AM, a lowest point of 30.2inHg at 5 PM with an avg 30.26inHg.
South Pekin, IL Weather – 9-25 – Overcast
64° / 60°
Overcast
South Pekin could see cloud-filled skies with daytime highs of 64°F and nighttime lows near 60°F. Rainfall predicted to have a 61% chance with an estimated 0.03in. Winds will be light at 7mph and gusts of 14.8mph at 1 AM. High humidity with average of 81% is anticipated, the maximum being 87% at 12 AM and 72% being its lowest at 11 PM. Barometric pressure is its highest of 30.25inHg at 10 AM, a lowest point of 30.19inHg at 7 PM with an avg 30.22inHg.
South Pekin, IL Weather – 9-26 – Overcast
72° / 59°
Overcast
Daytime highs will reach 72°F with lows dropping to 59°F in South Pekin, where it will be overcast. There might be light rainfall having a 13% chance with an estimated 0in. Winds will be light at 8mph and gusts of 13.2mph at 6 AM. Humidity levels should be comfortable, sitting around 56% on average, the maximum being 71% at 12 AM and 40% being its lowest at 4 PM. Barometric pressure is its highest of 30.18inHg at 12 AM, a lowest point of 30.08inHg at 5 PM with an avg 30.14inHg.
South Pekin, IL Weather – 9-27 – Overcast
74° / 54°
Overcast
Daytime highs will reach 74°F with lows dropping to 54°F in South Pekin, where it will be overcast. There's a very small chance of rainfall, only about 8%. Winds will be light at 9mph and gusts of 13mph at 8 PM. Humidity levels should be comfortable, sitting around 56% on average, the maximum being 74% at 7 AM and 35% being its lowest at 3 PM. Barometric pressure is its highest of 30.15inHg at 10 AM, a lowest point of 30.05inHg at 5 PM with an avg 30.1inHg.
South Pekin, IL Weather – 9-28 – Sunny
75° / 55°
Sunny
Highs will reach 75°F with lows near 55°F in South Pekin, where sunshine is. There's a very small chance of rainfall, only about 7%. Winds will be light at 9mph and gusts of 20.6mph at 11 PM. The humidity will be on the higher side, averaging about 63%, the maximum being 92% at 7 AM and 38% being its lowest at 4 PM. Barometric pressure is its highest of 30.08inHg at 2 AM, a lowest point of 29.9inHg at 11 PM with an avg 30inHg.

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