Lake Commanche, IL 14 Day Weather
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Lake Commanche, IL Weather Forecast


Lake Commanche, IL Weather Forecast Dated: 434 AM Sat Sep 12 2026
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Saturday, September 12, 2026
Mid-Morning
76°F 25°C
Sunny
Mid-Afternoon
91°F 33°C
Partly Cloudy
Early-Evening
82°F 28°C
Cloudy
Very hot with temperatures reaching 91°F 33°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
69°F 21°C
Overcast
Mid-Afternoon
80°F 26°C
Overcast
Early-Evening
73°F 23°C
Sunny
Balmy with temperatures reaching 80°F 26°C, overcast through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds out of the NNE at 13 mph 21 km/h.
Monday, September 14, 2026
Mid-Morning
65°F 18°C
Scattered Showers
Mid-Afternoon
78°F 25°C
Overcast
Early-Evening
76°F 25°C
Overcast
Enjoyable around 78°F 25°C, locally heavy downpours at times, with steady humidity and barometric pressure falling. Winds switching from the ESE to the SE at 12 mph 18 km/h. Gusts up to 26 mph 42 km/h.
Tuesday, September 15, 2026
Mid-Morning
82°F 28°C
Overcast
Mid-Afternoon
94°F 34°C
Partly Cloudy
Early-Evening
86°F 30°C
Scattered Showers
Sizzling hot near 94°F 34°C with a heat index reaching 97°F 36°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds moving from the SSW to the ESE at 9 mph 15 km/h.
Wednesday, September 16, 2026
Mid-Morning
78°F 26°C
Overcast
Mid-Afternoon
95°F 35°C
Sunny
Early-Evening
85°F 29°C
Sunny
Hot and sweltering around 95°F 35°C (heat index 99°F 37°C), overcast in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds swinging from the ENE to the S at 9 mph 14 km/h.
Thursday, September 17, 2026
Mid-Morning
86°F 30°C
Sunny
Mid-Afternoon
100°F 38°C
Sunny
Early-Evening
90°F 33°C
Cloudy
Sweltering heat reaching 100°F 38°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds blowing from the SW at 14 mph 22 km/h.
Friday, September 18, 2026
Mid-Morning
83°F 28°C
Scattered Showers
Mid-Afternoon
96°F 36°C
Scattered Showers
Early-Evening
79°F 26°C
Cloudy
Hot and sweltering around 96°F 36°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds turning from the WSW to the SW at 9 mph 15 km/h.
Saturday, September 19, 2026
Mid-Morning
65°F 18°C
Light Showers
Mid-Afternoon
68°F 20°C
Scattered Showers
Early-Evening
63°F 18°C
Scattered Showers
Enjoyable around 68°F 20°C, scattered downpours possible, with lower humidity and steady pressure. Winds switching from the WNW to the SE at 13 mph 22 km/h. Gusts up to 22 mph 35 km/h.
Sunday, September 20, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
65°F 18°C
Sunny
Mild temperatures up to 71°F 22°C, sunny throughout the day, with steady humidity and steady pressure. Winds blowing from the NE at 15 mph 25 km/h.
Monday, September 21, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
63°F 17°C
Sunny
Mild with a high of 72°F 22°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling. Winds NE at 10 mph 15 km/h.
Tuesday, September 22, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
78°F 25°C
Sunny
Early-Evening
72°F 22°C
Sunny
Pleasant near 78°F 25°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds shifting from the SSW to the S at 9 mph 14 km/h.
Wednesday, September 23, 2026
Mid-Morning
72°F 22°C
Partly Cloudy
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
71°F 22°C
Sunny
Balmy with temperatures reaching 83°F 28°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the W to the NNW at 10 mph 16 km/h. Gusts up to 21 mph 33 km/h.
Thursday, September 24, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
65°F 18°C
Sunny
Enjoyable around 71°F 22°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds switching from the NNE to the E at 7 mph 12 km/h.
Friday, September 25, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
94°F 34°C
Sunny
Early-Evening
89°F 31°C
Sunny
Hot temperatures near 94°F 34°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling. Winds moving from the S to the SW at 13 mph 21 km/h. Gusts up to 26 mph 42 km/h.
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