Collis Pond, IL 14 Day Weather
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Collis Pond, IL Weather Forecast


Collis Pond, IL Weather Forecast Dated: 843 AM Thu Sep 10 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.
Thursday, September 10, 2026
Mid-Morning
70°F 21°C
Rain
Mid-Afternoon
70°F 21°C
Light Showers
Early-Evening
74°F 23°C
Cloudy
Pleasant near 70°F 21°C, intermittent showers through midday, easing by evening, with lower humidity and steady pressure.
Friday, September 11, 2026
Mid-Morning
69°F 20°C
Sunny
Mid-Afternoon
84°F 29°C
Sunny
Early-Evening
77°F 25°C
Sunny
Balmy with temperatures reaching 84°F 29°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds out of the SE at 9 mph 14 km/h.
Saturday, September 12, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
89°F 32°C
Cloudy
Early-Evening
83°F 28°C
Overcast
Quite warm around 89°F 32°C, sunny in the morning, becoming cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds switching from the SSW to the SE at 8 mph 14 km/h.
Sunday, September 13, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
91°F 33°C
Overcast
Early-Evening
82°F 28°C
Overcast
Hot temperatures near 91°F 33°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure.
Monday, September 14, 2026
Mid-Morning
78°F 25°C
Partly Cloudy
Mid-Afternoon
98°F 37°C
Overcast
Early-Evening
89°F 32°C
Partly Cloudy
Hot and sweltering around 98°F 37°C (heat index 101°F 38°C), cloudy in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and barometric pressure falling. Winds moving from the SSW to the SW at 10 mph 15 km/h. Gusts up to 20 mph 31 km/h.
Tuesday, September 15, 2026
Mid-Morning
74°F 24°C
Light Showers
Mid-Afternoon
78°F 25°C
Overcast
Early-Evening
73°F 23°C
Scattered Showers
Pleasant near 78°F 25°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds swinging from the W to the NNE at 7 mph 12 km/h.
Wednesday, September 16, 2026
Mid-Morning
70°F 21°C
Light Fog
Mid-Afternoon
83°F 28°C
Overcast
Early-Evening
80°F 27°C
Overcast
Warm and summery around 83°F 28°C (feels like 86°F 30°C), overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
94°F 34°C
Partly Cloudy
Early-Evening
69°F 21°C
Overcast
Hot and sweltering around 94°F 34°C (heat index 98°F 37°C), sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds shifting from the SW to the N at 16 mph 26 km/h. Gusts up to 30 mph 48 km/h.
Friday, September 18, 2026
Mid-Morning
54°F 12°C
Partly Cloudy
Mid-Afternoon
67°F 20°C
Sunny
Early-Evening
60°F 16°C
Sunny
Refreshing around 67°F 20°C, sunny throughout the day, with steady humidity and steady pressure. Winds NNE at 12 mph 19 km/h.
Saturday, September 19, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
63°F 17°C
Sunny
Mild with a high of 69°F 21°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds switching from the N to the NE at 7 mph 12 km/h.
Sunday, September 20, 2026
Mid-Morning
58°F 15°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
68°F 20°C
Partly Cloudy
Pleasant near 75°F 24°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds blowing from the SSE at 9 mph 15 km/h.
Monday, September 21, 2026
Mid-Morning
61°F 16°C
Overcast
Mid-Afternoon
71°F 22°C
Light Showers
Early-Evening
72°F 22°C
Scattered Showers
Comfortable with temperatures reaching 71°F 22°C, locally heavy downpours at times, with increasing humidity and barometric pressure falling. Winds swinging from the S to the SW at 6 mph 10 km/h.
Tuesday, September 22, 2026
Mid-Morning
62°F 17°C
Light Showers
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
70°F 21°C
Sunny
Enjoyable around 73°F 23°C, early showers breaking for a drier afternoon, with lower humidity and steady pressure. Winds picking up from SSW at 3 mph 5 km/h to NNW at 11 mph 17 km/h. Gusts up to 22 mph 36 km/h.
Wednesday, September 23, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
67°F 19°C
Overcast
Early-Evening
62°F 17°C
Partly Cloudy
Mildly cool near 67°F 19°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds turning from the NNW to the NNE at 12 mph 18 km/h.
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