Prairietown, IL Weather Tomorrow

Discover tomorrow's Prairietown weather along with a dependable 5 day forecast highlighting daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details for the Prairietown area and around Madison county, Illinois.
Updated: Sun Sep 20th 2026 6:15 AM CDT
Prairietown, IL Weather – 9-20 – Overcast
90° / 68°
Overcast
Prairietown could see cloud-filled skies with daytime highs of 90°F and nighttime lows near 68°F. Rainfall predicted to have a 57% chance with an estimated 0.05in. Wind will be moderate, blowing around 15mph on average and gusts of 22mph at 9 PM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 96% at 10 PM and 41% being its lowest at 3 PM. Barometric pressure is its highest of 29.91inHg at 10 PM, a lowest point of 29.8inHg at 4 PM with an avg 29.86inHg.
Prairietown, IL Weather – 9-21 – Scattered Showers
72° / 62°

Weather Tomorrow

Scattered Showers
On and off showers are set to occur in Prairietown, with a high of 72°F and a low of 62°F. The chance of rain is 90% with an estimated 0.33in. Wind will be moderate, blowing around 11mph on average and gusts of 20.2mph at 1 AM. High humidity with average of 90% is anticipated, the maximum being 97% at 5 AM and 78% being its lowest at 4 PM. Barometric pressure is its highest of 30.03inHg at 10 PM, a lowest point of 29.9inHg at 1 AM with an avg 29.96inHg.
Prairietown, IL Weather – 9-22 – Overcast
69° / 59°
Overcast
Prairietown could see cloud-filled skies with daytime highs of 69°F and nighttime lows near 59°F. There's a moderate 30% chance of rainfall with an estimated 0in. Wind will be moderate, blowing around 11mph on average and gusts of 21.7mph at 4 PM. High humidity with average of 81% is anticipated, the maximum being 94% at 12 AM and 65% being its lowest at 2 PM. Barometric pressure is its highest of 30.15inHg at 10 PM, a lowest point of 30.04inHg at 1 AM with an avg 30.09inHg.
Prairietown, IL Weather – 9-23 – Overcast
75° / 58°
Overcast
Skies will be overcast in Prairietown, with a high of 75°F and a low of 58°F. There's a very small chance of rainfall, only about 9%. Wind will be moderate, blowing around 11mph on average and gusts of 22.6mph at 9 PM. The humidity will be on the higher side, averaging about 69%, the maximum being 93% at 11 PM and 47% being its lowest at 4 PM. Barometric pressure is its highest of 30.24inHg at 11 PM, a lowest point of 30.15inHg at 12 AM with an avg 30.19inHg.
Prairietown, IL Weather – 9-24 – Mist
75° / 55°
Mist
Prairietown may see mist, with daytime highs of 75°F and overnight lows near 55°F. There might be light rainfall having a 24% chance with an estimated 0.01in. Winds will be light at 9mph and gusts of 18.2mph at 2 AM. The humidity will be on the higher side, averaging about 72%, the maximum being 97% at 6 AM and 45% being its lowest at 4 PM. Barometric pressure is its highest of 30.24inHg at 12 AM, a lowest point of 30.12inHg at 4 PM with an avg 30.18inHg.
Prairietown, IL Weather – 9-25 – Light Rain Shower
65° / 58°
Light Rain Shower
Prairietown may see rain showers, with daytime highs of 65°F and overnight lows near 58°F. The chance of rain is 90% with an estimated 0.44in. Winds will be light at 6mph and gusts of 13.9mph at 12 AM. High humidity with average of 87% is anticipated, the maximum being 97% at 7 AM and 74% being its lowest at 4 PM. Barometric pressure is its highest of 30.2inHg at 11 AM, a lowest point of 30.14inHg at 4 PM with an avg 30.16inHg.

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