Grand Ridge, IL Weather Tomorrow

Weather conditions can change quickly, so check tomorrow's Grand Ridge forecast and the complete 5 day outlook with precipitation probability, daily and nightly weather conditions, high and low temperature trends, sunrise and sunset information, sky cover, wind speed, wind direction, and wind chill for the Grand Ridge area and around LaSalle county, Illinois.
Updated: Fri Oct 2nd 2026 1:30 PM CDT
Grand Ridge, IL Weather – 10-2 – Sunny
68° / 52°
Sunny
Grand Ridge could see sunshine with daytime highs of 68°F and nighttime lows near 52°F. There's a moderate 45% chance of rainfall with an estimated 0.03in. Wind will be moderate, blowing around 13mph on average and gusts of 16.1mph at 9 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 74% at 11 PM and 49% being its lowest at 3 PM. Barometric pressure is its highest of 30.29inHg at 11 PM, a lowest point of 30.22inHg at 2 PM with an avg 30.25inHg.
Grand Ridge, IL Weather – 10-3 – Sunny
66° / 49°

Weather Tomorrow

Sunny
Daytime highs will reach 66°F with lows dropping to 49°F in Grand Ridge, where bright and sunny conditions. There's a very small chance of rainfall, only about 4%. Winds will be light at 10mph and gusts of 15.3mph at 8 AM. The humidity will be on the higher side, averaging about 65%, the maximum being 85% at 7 AM and 42% being its lowest at 4 PM. Barometric pressure is its highest of 30.31inHg at 6 AM, a lowest point of 30.14inHg at 5 PM with an avg 30.24inHg.
Grand Ridge, IL Weather – 10-4 – Sunny
70° / 53°
Sunny
In Grand Ridge, bright and sunny conditions with highs near 70°F and lows around 53°F. There's a very small chance of rainfall, only about 6%. Wind will be moderate, blowing around 11mph on average and gusts of 25.1mph at 10 PM. The humidity will be on the higher side, averaging about 72%, the maximum being 86% at 8 PM and 50% being its lowest at 12 PM. Barometric pressure is its highest of 30.2inHg at 11 PM, a lowest point of 30.07inHg at 4 PM with an avg 30.12inHg.
Grand Ridge, IL Weather – 10-5 – Sunny
63° / 50°
Sunny
Daytime highs will reach 63°F with lows dropping to 50°F in Grand Ridge, where bright and sunny conditions. There's a very small chance of rainfall, only about 4%. Winds will be light at 10mph and gusts of 16.4mph at 12 AM. The humidity will be on the higher side, averaging about 64%, the maximum being 85% at 7 AM and 42% being its lowest at 4 PM. Barometric pressure is its highest of 30.28inHg at 12 PM, a lowest point of 30.2inHg at 1 AM with an avg 30.24inHg.
Grand Ridge, IL Weather – 10-6 – Sunny
64° / 46°
Sunny
Grand Ridge may see a sunny day, with daytime highs of 64°F and overnight lows near 46°F. There's a very small chance of rainfall, only about 3%. Winds will be light at 9mph and gusts of 17.4mph at 11 PM. Humidity levels should be comfortable, sitting around 57% on average, the maximum being 79% at 6 AM and 36% being its lowest at 4 PM. Barometric pressure is its highest of 30.27inHg at 1 AM, a lowest point of 30.05inHg at 6 PM with an avg 30.17inHg.
Grand Ridge, IL Weather – 10-7 – Overcast
74° / 52°
Overcast
In Grand Ridge, overcast is likely with a high near 74°F and a low around 52°F. There's a very small chance of rainfall, only about 7%. Wind will be moderate, blowing around 16mph on average and gusts of 24.2mph at 7 AM. Humidity levels should be comfortable, sitting around 54% on average, the maximum being 76% at 11 PM and 38% being its lowest at 1 PM. Barometric pressure is its highest of 30.04inHg at 1 AM, a lowest point of 29.87inHg at 5 PM with an avg 29.95inHg.

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