Little Mackinaw, IL Weather Tomorrow

See how tomorrow's weather in Little Mackinaw compares with the upcoming 5 day forecast, including 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 Little Mackinaw area.
Updated: Sat Aug 29th 2026 11:30 AM CDT
Little Mackinaw, IL Weather – 8-29 – Overcast
82° / 62°
Overcast
Daytime highs will reach 82°F with lows dropping to 62°F in Little Mackinaw, where skies will be overcast. There might be light rainfall having a 17% chance with an estimated 0in. Winds will be light at 10mph and gusts of 24.7mph at 11 PM. The humidity will be on the higher side, averaging about 73%, the maximum being 78% at 9 PM and 51% being its lowest at 2 PM. Barometric pressure is its highest of 30.09inHg at 12 PM, a lowest point of 29.99inHg at 6 PM with an avg 30.02inHg.
Little Mackinaw, IL Weather – 8-30 – Scattered Showers
90° / 66°

Weather Tomorrow

Scattered Showers
On and off showers are set to occur in Little Mackinaw, with a high of 90°F and a low of 66°F. There's a moderate 39% chance of rainfall with an estimated 0.03in. Wind will be moderate, blowing around 17mph on average and gusts of 35.1mph at 10 PM. Humidity levels should be comfortable, sitting around 58% on average, the maximum being 86% at 3 AM and 37% being its lowest at 8 PM. Barometric pressure is its highest of 29.99inHg at 7 AM, a lowest point of 29.87inHg at 6 PM with an avg 29.94inHg.
Little Mackinaw, IL Weather – 8-31 – Overcast
95° / 76°
Overcast
Overcast is in the forecast for Little Mackinaw, with a high of 95°F and a low of 76°F. There's a very small chance of rainfall, only about 8%. Wind will be moderate, blowing around 17mph on average and gusts of 39.4mph at 2 AM. Humidity levels should be comfortable, sitting around 44% on average, the maximum being 60% at 8 AM and 37% being its lowest at 1 PM. Barometric pressure is its highest of 29.92inHg at 8 AM, a lowest point of 29.81inHg at 6 PM with an avg 29.86inHg.
Little Mackinaw, IL Weather – 9-1 – Overcast
102° / 80°
Overcast
Skies will be overcast in Little Mackinaw, with a high of 102°F and a low of 80°F. There's a very small chance of rainfall, only about 5%. Wind will be moderate, blowing around 17mph on average and gusts of 39.4mph at 12 AM. Humidity levels should be comfortable, sitting around 43% on average, the maximum being 61% at 8 AM and 25% being its lowest at 4 PM. Barometric pressure is its highest of 29.9inHg at 9 PM, a lowest point of 29.81inHg at 6 PM with an avg 29.86inHg.
Little Mackinaw, IL Weather – 9-2 – Sunny
102° / 77°
Sunny
Little Mackinaw may see a sunny day, with daytime highs of 102°F and overnight lows near 77°F. There's a very small chance of rainfall, only about 2%. Wind will be moderate, blowing around 14mph on average and gusts of 34.5mph at 12 AM. Humidity levels should be comfortable, sitting around 50% on average, the maximum being 69% at 8 AM and 26% being its lowest at 3 PM. Barometric pressure is its highest of 29.91inHg at 11 AM, a lowest point of 29.79inHg at 4 PM with an avg 29.86inHg.
Little Mackinaw, IL Weather – 9-3 – Sunny
94° / 76°
Sunny
Little Mackinaw may see sunshine, with daytime highs of 94°F and overnight lows near 76°F. There's a very small chance of rainfall, only about 5%. Wind will be moderate, blowing around 13mph on average and gusts of 26.9mph at 10 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 87% at 7 AM and 45% being its lowest at 4 PM. Barometric pressure is its highest of 29.96inHg at 9 AM, a lowest point of 29.89inHg at 12 AM with an avg 29.92inHg.

Currently

Overcast 77°F
30.11 inHg.
Barometer
63%
Humidity
S 14.8 mph
Wind
Overcast

5 Day Forecast Nearby

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