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Blue Mound, IL Weather Tomorrow

The Blue Mound weather tomorrow and 5 day forecast provides daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details throughout the Blue Mound area and around Macon county, Illinois.
Updated: Sat Aug 29th 2026 1:45 AM CDT
Blue Mound, IL Weather – 8-29 – Overcast
85° / 63°
Overcast
Daytime highs will reach 85°F with lows dropping to 63°F in Blue Mound, where it will be overcast. There's a very small chance of rainfall, only about 7%. Wind will be moderate, blowing around 12mph on average and gusts of 21.5mph at 10 PM. Humidity levels should be comfortable, sitting around 58% on average, the maximum being 78% at 7 AM and 37% being its lowest at 2 PM. Barometric pressure is its highest of 30.14inHg at 7 AM, a lowest point of 30inHg at 6 PM with an avg 30.07inHg.
Blue Mound, IL Weather – 8-30 – Overcast
95° / 69°

Weather Tomorrow

Overcast
In Blue Mound, it will be overcast with highs near 95°F and lows around 69°F. There's a very small chance of rainfall, only about 6% with an estimated 0in. Wind will be moderate, blowing around 17mph on average and gusts of 32.3mph at 11 PM. Humidity levels should be comfortable, sitting around 45% on average, the maximum being 69% at 6 AM and 24% being its lowest at 4 PM. Barometric pressure is its highest of 30.02inHg at 10 AM, a lowest point of 29.9inHg at 6 PM with an avg 29.97inHg.
Blue Mound, IL Weather – 8-31 – Overcast
99° / 76°
Overcast
Skies will be overcast in Blue Mound, with a high of 99°F and a low of 76°F. There's a very small chance of rainfall, only about 6%. Wind will be moderate, blowing around 19mph on average and gusts of 38mph at 4 AM. Humidity levels should be comfortable, sitting around 42% on average, the maximum being 56% at 7 AM and 28% being its lowest at 4 PM. Barometric pressure is its highest of 29.97inHg at 8 AM, a lowest point of 29.86inHg at 6 PM with an avg 29.91inHg.
Blue Mound, IL Weather – 9-1 – Sunny
102° / 80°
Sunny
In Blue Mound, it will be sunny with highs near 102°F and lows around 80°F. There's a very small chance of rainfall, only about 2%. Wind will be moderate, blowing around 16mph on average and gusts of 38.1mph at 2 AM. Humidity levels should be comfortable, sitting around 40% on average, the maximum being 56% at 7 AM and 25% being its lowest at 4 PM. Barometric pressure is its highest of 29.95inHg at 9 AM, a lowest point of 29.86inHg at 6 PM with an avg 29.91inHg.
Blue Mound, IL Weather – 9-2 – Sunny
100° / 79°
Sunny
In Blue Mound, bright and sunny conditions with highs near 100°F and lows around 79°F. There might be light rainfall having a 17% chance with an estimated 0.01in. Wind will be moderate, blowing around 19mph on average and gusts of 35mph at 1 AM. Humidity levels should be comfortable, sitting around 40% on average, the maximum being 62% at 7 AM and 27% being its lowest at 2 PM. Barometric pressure is its highest of 29.95inHg at 7 AM, a lowest point of 29.85inHg at 6 PM with an avg 29.9inHg.
Blue Mound, IL Weather – 9-3 – Sunny
103° / 82°
Sunny
Blue Mound may see a sunny day, with daytime highs of 103°F and overnight lows near 82°F. There's a very small chance of rainfall, only about 4% with an estimated 0in. Wind will be moderate, blowing around 11mph on average and gusts of 24.6mph at 12 AM. Humidity levels should be comfortable, sitting around 44% on average, the maximum being 74% at 10 PM and 23% being its lowest at 4 PM. Barometric pressure is its highest of 29.96inHg at 9 AM, a lowest point of 29.87inHg at 4 PM with an avg 29.92inHg.

Currently

Clear 68°F
30.1 inHg.
Barometer
65%
Humidity
SE 11.9 mph
Wind
Clear

5 Day Forecast Nearby

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