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Sidell, IL Weather Tomorrow

Find tomorrow's weather forecast for Sidell with an accurate 5 day outlook showing precipitation potential, daytime and nighttime forecasts, temperature highs and lows in Fahrenheit and Celsius, sunrise and sunset times, cloud cover, wind chill, wind speed, and wind direction for the Sidell area and around Vermilion county, Illinois.
Updated: Sun Sep 13th 2026 4:00 PM CDT
Sidell, IL Weather – 9-13 – Sunny
77° / 62°
Sunny
In Sidell, it will be sunny with highs near 77°F and lows around 62°F. There's a very small chance of rainfall, only about 9%. Wind will be moderate, blowing around 15mph on average and gusts of 19.3mph at 7 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 69% at 9 PM and 50% being its lowest at 5 PM. Barometric pressure is its highest of 30.15inHg at 11 PM, a lowest point of 30.04inHg at 5 PM with an avg 30.1inHg.
Sidell, IL Weather – 9-14 – Overcast
75° / 56°

Weather Tomorrow

Overcast
Daytime highs will reach 75°F with lows dropping to 56°F in Sidell, where it will be overcast. There's a very small chance of rainfall, only about 9%. Wind will be moderate, blowing around 14mph on average and gusts of 34.9mph at 10 PM. The humidity will be on the higher side, averaging about 61%, the maximum being 89% at 6 AM and 41% being its lowest at 2 PM. Barometric pressure is its highest of 30.26inHg at 8 AM, a lowest point of 30.05inHg at 11 PM with an avg 30.18inHg.
Sidell, IL Weather – 9-15 – Sunny
93° / 64°
Sunny
It will be sunny in Sidell, with a high of 93°F and a low of 64°F. Rainfall predicted to have a 71% chance with an estimated 0.25in. Wind will be moderate, blowing around 15mph on average and gusts of 33.6mph at 12 AM. The humidity will be on the higher side, averaging about 68%, the maximum being 97% at 10 PM and 40% being its lowest at 1 PM. Barometric pressure is its highest of 30.17inHg at 11 PM, a lowest point of 30.02inHg at 5 PM with an avg 30.07inHg.
Sidell, IL Weather – 9-16 – Scattered Showers
81° / 67°
Scattered Showers
Daytime highs will reach 81°F with lows dropping to 67°F in Sidell, where on and off showers are set to occur. The chance of rain is 85% with an estimated 0.25in. Wind will be moderate, blowing around 11mph on average and gusts of 19.5mph at 9 PM. High humidity with average of 88% is anticipated, the maximum being 98% at 7 AM and 68% being its lowest at 3 PM. Barometric pressure is its highest of 30.27inHg at 11 AM, a lowest point of 30.14inHg at 1 AM with an avg 30.21inHg.
Sidell, IL Weather – 9-17 – Overcast
75° / 66°
Overcast
Sidell could see cloud-filled skies with daytime highs of 75°F and nighttime lows near 66°F. The chance of rain is 88% with an estimated 0.26in. Winds will be light at 9mph and gusts of 15.5mph at 4 AM. High humidity with average of 89% is anticipated, the maximum being 99% at 2 AM and 77% being its lowest at 2 PM. Barometric pressure is its highest of 30.27inHg at 10 AM, a lowest point of 30.18inHg at 7 PM with an avg 30.23inHg.
Sidell, IL Weather – 9-18 – Overcast
79° / 65°
Overcast
Daytime highs will reach 79°F with lows dropping to 65°F in Sidell, where skies will be overcast. There might be light rainfall having a 13% chance. Winds will be light at 9mph and gusts of 16.6mph at 1 PM. The humidity will be on the higher side, averaging about 79%, the maximum being 96% at 7 AM and 62% being its lowest at 1 PM. Barometric pressure is its highest of 30.21inHg at 1 AM, a lowest point of 30.01inHg at 11 PM with an avg 30.13inHg.

Currently

Cloudy 75°F
30.04 inHg.
Barometer
44%
Humidity
N 20.5 mph
Wind
Cloudy

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