Thompsonville, IL Weather Tomorrow

Everything you need for tomorrow's Thompsonville weather and the next 5 days is here, including daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details for the Thompsonville area and around Franklin county, Illinois.
Updated: Sat Oct 31st 2026 8:15 AM CDT
Thompsonville, IL Weather – 10-31 – Overcast
74° / 60°
Overcast
Thompsonville may see cloud-filled skies, with daytime highs of 74°F and overnight lows near 60°F. There might be light rainfall having a 19% chance with an estimated 0in. Winds will be light at 8mph and gusts of 19.7mph at 11 PM. Humidity levels should be comfortable, sitting around 47% on average, the maximum being 72% at 7 PM and 38% being its lowest at 11 AM. Barometric pressure is its highest of 30.27inHg at 10 AM, a lowest point of 30.18inHg at 5 PM with an avg 30.23inHg.
Thompsonville, IL Weather – 11-1 – Overcast
67° / 56°

Weather Tomorrow

Overcast
In Thompsonville, cloud-filled skies are likely with a high near 67°F and a low around 56°F. The chance of rain is 90% with an estimated 0.33in. Wind will be moderate, blowing around 12mph on average and gusts of 23.9mph at 2 AM. High humidity with average of 88% is anticipated, the maximum being 94% at 11 PM and 52% being its lowest at 12 AM. Barometric pressure is its highest of 30.29inHg at 9 AM, a lowest point of 30.19inHg at 11 PM with an avg 30.24inHg.
Thompsonville, IL Weather – 11-2 – Overcast
69° / 58°
Overcast
Thompsonville may see overcast, with daytime highs of 69°F and overnight lows near 58°F. Rainfall predicted to have a 61% chance with an estimated 0.03in. Wind will be moderate, blowing around 16mph on average and gusts of 35.2mph at 11 PM. High humidity with average of 83% is anticipated, the maximum being 96% at 4 AM and 66% being its lowest at 3 PM. Barometric pressure is its highest of 30.2inHg at 12 AM, a lowest point of 29.99inHg at 11 PM with an avg 30.1inHg.
Thompsonville, IL Weather – 11-3 – Scattered Showers
74° / 64°
Scattered Showers
Daytime highs will reach 74°F with lows dropping to 64°F in Thompsonville, where showers likely at times. The chance of rain is 87% with an estimated 1.13in. Wind will be moderate, blowing around 20mph on average and gusts of 38mph at 9 AM. The humidity will be on the higher side, averaging about 80%, the maximum being 98% at 11 PM and 65% being its lowest at 11 AM. Barometric pressure is its highest of 29.99inHg at 1 AM, a lowest point of 29.84inHg at 10 PM with an avg 29.91inHg.
Thompsonville, IL Weather – 11-4 – Overcast
67° / 57°
Overcast
Thompsonville is set for cloud-filled skies with temperatures peaking at 67°F and dipping to 57°F. The chance of rain is 85% with an estimated 0.54in. Wind will be moderate, blowing around 11mph on average and gusts of 17.2mph at 8 AM. The humidity will be on the higher side, averaging about 80%, the maximum being 99% at 2 AM and 51% being its lowest at 4 PM. Barometric pressure is its highest of 29.92inHg at 10 AM, a lowest point of 29.77inHg at 3 PM with an avg 29.85inHg.
Thompsonville, IL Weather – 11-5 – Cloudy
67° / 54°
Cloudy
Thompsonville could see overcast conditions with daytime highs of 67°F and nighttime lows near 54°F. There might be light rainfall having a 16% chance. Winds will be light at 4mph and gusts of 15.7mph at 6 PM. The humidity will be on the higher side, averaging about 73%, the maximum being 84% at 3 AM and 56% being its lowest at 12 PM. Barometric pressure is its highest of 29.91inHg at 9 AM, a lowest point of 29.85inHg at 12 AM with an avg 29.9inHg.

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