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La Salle County, IL Weather Tomorrow

Explore tomorrow's La Salle County weather before planning your week with a detailed 5 day forecast featuring 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 La Salle County area.
Updated: Wed Nov 4th 2026 12:30 AM CST
La Salle County, IL Weather – 11-4 – Scattered Showers
65° / 55°
Scattered Showers
La Salle County could see passing showers with daytime highs of 65°F and nighttime lows near 55°F. The chance of rain is 86% with an estimated 0.34in. Wind will be moderate, blowing around 18mph on average and gusts of 29.5mph at 1 AM. The humidity will be on the higher side, averaging about 80%, the maximum being 94% at 3 AM and 68% being its lowest at 1 PM. Barometric pressure is its highest of 29.74inHg at 7 PM, a lowest point of 29.63inHg at 3 AM with an avg 29.68inHg.
La Salle County, IL Weather – 11-5 – Overcast
56° / 50°

Weather Tomorrow

Overcast
Daytime highs will reach 56°F with lows dropping to 50°F in La Salle County, where skies will be overcast. Rainfall predicted to have a 63% chance with an estimated 0.06in. Wind will be moderate, blowing around 16mph on average and gusts of 28mph at 5 AM. The humidity will be on the higher side, averaging about 75%, the maximum being 89% at 10 PM and 63% being its lowest at 12 PM. Barometric pressure is its highest of 29.91inHg at 11 PM, a lowest point of 29.71inHg at 3 AM with an avg 29.79inHg.
La Salle County, IL Weather – 11-6 – Overcast
49° / 37°
Overcast
It will be overcast in La Salle County, with a high of 49°F and a low of 37°F. There might be light rainfall having a 19% chance with an estimated 0in. Wind will be moderate, blowing around 15mph on average and gusts of 20.6mph at 12 AM. The humidity will be on the higher side, averaging about 69%, the maximum being 85% at 1 AM and 52% being its lowest at 3 PM. Barometric pressure is its highest of 30.19inHg at 10 PM, a lowest point of 29.96inHg at 1 AM with an avg 30.1inHg.
La Salle County, IL Weather – 11-7 – Sunny
49° / 33°
Sunny
In La Salle County, it will be sunny with highs near 49°F and lows around 33°F. There's a very small chance of rainfall, only about 5%. Winds will be light at 10mph and gusts of 18.8mph at 7 AM. The humidity will be on the higher side, averaging about 64%, the maximum being 88% at 6 AM and 37% being its lowest at 2 PM. Barometric pressure is its highest of 30.26inHg at 8 AM, a lowest point of 30.16inHg at 3 PM with an avg 30.22inHg.
La Salle County, IL Weather – 11-8 – Sunny
53° / 33°
Sunny
Bright and sunny conditions in La Salle County, with a high of 53°F and a low of 33°F. There's a very small chance of rainfall, only about 5%. Winds will be light at 9mph and gusts of 15mph at 3 PM. The humidity will be on the higher side, averaging about 63%, the maximum being 81% at 6 AM and 42% being its lowest at 11 AM. Barometric pressure is its highest of 30.27inHg at 8 AM, a lowest point of 30.16inHg at 3 PM with an avg 30.21inHg.
La Salle County, IL Weather – 11-9 – Sunny
59° / 39°
Sunny
La Salle County is set for a sunny day with temperatures peaking at 59°F and dipping to 39°F. There's a very small chance of rainfall, only about 7%. Wind will be moderate, blowing around 14mph on average and gusts of 25.9mph at 6 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 81% at 6 AM and 47% being its lowest at 12 PM. Barometric pressure is its highest of 30.18inHg at 12 AM, a lowest point of 30.02inHg at 6 PM with an avg 30.1inHg.
La Salle County, IL Weather Forecast - 10 Day Detailed

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