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Colusa, IL Weather Tomorrow

Need tomorrow's weather for Colusa? This 5 day forecast provides 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 Colusa area and around Hancock county, Illinois.
Updated: Mon Oct 26th 2026 12:00 AM CDT
Colusa, IL Weather – 10-26 – Overcast
74° / 57°
Overcast
Colusa may see overcast, with daytime highs of 74°F and overnight lows near 57°F. There's a very small chance of rainfall, only about 9%. Winds will be light at 7mph and gusts of 10.2mph at 4 PM. Humidity levels should be comfortable, sitting around 56% on average, the maximum being 75% at 7 AM and 40% being its lowest at 3 PM. Barometric pressure is its highest of 30.32inHg at 9 AM, a lowest point of 30.2inHg at 4 PM with an avg 30.26inHg.
Colusa, IL Weather – 10-27 – Overcast
70° / 57°

Weather Tomorrow

Overcast
Colusa is set for overcast with temperatures peaking at 70°F and dipping to 57°F. There's a moderate 36% chance of rainfall with an estimated 0.01in. Winds will be light at 9mph and gusts of 17.7mph at 11 PM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 73% at 7 AM and 46% being its lowest at 3 PM. Barometric pressure is its highest of 30.22inHg at 11 AM, a lowest point of 30.14inHg at 4 PM with an avg 30.19inHg.
Colusa, IL Weather – 10-28 – Sunny
73° / 57°
Sunny
Daytime highs will reach 73°F with lows dropping to 57°F in Colusa, where bright and sunny conditions. There's a moderate 36% chance of rainfall with an estimated 0.01in. Wind will be moderate, blowing around 15mph on average and gusts of 35.9mph at 11 PM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 76% at 9 AM and 45% being its lowest at 4 PM. Barometric pressure is its highest of 30.21inHg at 9 AM, a lowest point of 30.08inHg at 4 PM with an avg 30.14inHg.
Colusa, IL Weather – 10-29 – Light Rain Shower
71° / 59°
Light Rain Shower
Rain is in the forecast for Colusa, with a high of 71°F and a low of 59°F. Rainfall predicted to have a 71% chance with an estimated 0.11in. Wind will be moderate, blowing around 14mph on average and gusts of 36.9mph at 12 AM. The humidity will be on the higher side, averaging about 76%, the maximum being 95% at 10 PM and 54% being its lowest at 12 AM. Barometric pressure is its highest of 30.19inHg at 11 PM, a lowest point of 30.07inHg at 4 AM with an avg 30.12inHg.
Colusa, IL Weather – 10-30 – Overcast
69° / 55°
Overcast
In Colusa, it will be overcast with highs near 69°F and lows around 55°F. There might be light rainfall having a 21% chance. Wind will be moderate, blowing around 11mph on average and gusts of 27.8mph at 10 PM. The humidity will be on the higher side, averaging about 76%, the maximum being 97% at 7 AM and 50% being its lowest at 4 PM. Barometric pressure is its highest of 30.28inHg at 12 PM, a lowest point of 30.15inHg at 1 AM with an avg 30.21inHg.
Colusa, IL Weather – 10-31 – Scattered Showers
64° / 54°
Scattered Showers
Colusa could see passing showers with daytime highs of 64°F and nighttime lows near 54°F. The chance of rain is 87% with an estimated 0.4in. Winds will be light at 10mph and gusts of 26.2mph at 12 AM. The humidity will be on the higher side, averaging about 78%, the maximum being 88% at 7 AM and 68% being its lowest at 1 PM. Barometric pressure is its highest of 30.2inHg at 10 AM, a lowest point of 30.15inHg at 7 PM with an avg 30.18inHg.

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