Cornell School, IL 14 Day Weather
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Cornell School, IL Weather Forecast


Cornell School, IL Weather Forecast Dated: 1023 AM Sun Sep 06 2026
Expect a very warm period with a mix of sun and clouds and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate.
Sunday, September 6, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
77°F 25°C
Cloudy
Early-Evening
72°F 23°C
Overcast
Pleasant near 77°F 25°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds turning from the ENE to the NE at 6 mph 10 km/h.
Monday, September 7, 2026
Mid-Morning
70°F 21°C
Cloudy
Mid-Afternoon
80°F 26°C
Cloudy
Early-Evening
74°F 23°C
Overcast
Balmy with temperatures reaching 80°F 26°C, cloudy throughout the day, with steady humidity and steady pressure. Winds blowing from the E at 9 mph 14 km/h.
Tuesday, September 8, 2026
Mid-Morning
71°F 22°C
Cloudy
Mid-Afternoon
86°F 30°C
Partly Cloudy
Early-Evening
82°F 28°C
Cloudy
Quite warm around 86°F 30°C, overcast in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds moving from the SSW to the S at 10 mph 16 km/h. Gusts up to 23 mph 37 km/h.
Wednesday, September 9, 2026
Mid-Morning
72°F 22°C
Scattered Showers
Mid-Afternoon
88°F 31°C
Cloudy
Early-Evening
76°F 25°C
Overcast
Warm temperatures up to 88°F 31°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds swinging from the WSW to the SSW at 7 mph 11 km/h.
Thursday, September 10, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
79°F 26°C
Overcast
Early-Evening
71°F 22°C
Sunny
Mild with a high of 79°F 26°C, sunny in the morning, overcast in the afternoon, and sunny this evening, with lower humidity and steady pressure.
Friday, September 11, 2026
Mid-Morning
69°F 21°C
Sunny
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
75°F 24°C
Partly Cloudy
Warm and summery near 80°F 27°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and barometric pressure falling. Winds shifting from the SSW to the S at 9 mph 14 km/h.
Saturday, September 12, 2026
Mid-Morning
74°F 24°C
Sunny
Mid-Afternoon
87°F 31°C
Sunny
Early-Evening
77°F 25°C
Overcast
Balmy with temperatures reaching 87°F 31°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with increasing humidity and steady pressure. Winds turning from the SSW to the SE at 5 mph 8 km/h.
Sunday, September 13, 2026
Mid-Morning
70°F 21°C
Light Fog
Mid-Afternoon
80°F 27°C
Overcast
Early-Evening
73°F 23°C
Light Showers
Quite warm reaching 80°F 27°C, feeling like 84°F 29°C during peak afternoon, mainly dry until evening showers arrive, with steady humidity and steady pressure. Winds out of the SSW at 11 mph 18 km/h. Gusts up to 25 mph 40 km/h.
Monday, September 14, 2026
Mid-Morning
56°F 13°C
Light Showers
Mid-Afternoon
57°F 14°C
Scattered Showers
Early-Evening
59°F 15°C
Light Showers
Brisk around 57°F 14°C, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds moving from the NNW to the ESE at 10 mph 15 km/h. Gusts up to 23 mph 37 km/h.
Tuesday, September 15, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
65°F 19°C
Sunny
Mild with a high of 70°F 21°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure.
Wednesday, September 16, 2026
Mid-Morning
64°F 18°C
Partly Cloudy
Mid-Afternoon
76°F 25°C
Overcast
Early-Evening
74°F 23°C
Overcast
Pleasant near 76°F 25°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds swinging from the S to the SSE at 8 mph 12 km/h.
Thursday, September 17, 2026
Mid-Morning
66°F 19°C
Heavy Rain Showers
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
78°F 26°C
Sunny
Comfortable with temperatures reaching 78°F 26°C, morning showers, giving way to clearing skies, with lower humidity and barometric pressure falling. Winds shifting from the S to the SSE at 7 mph 11 km/h. Gusts up to 21 mph 34 km/h.
Friday, September 18, 2026
Mid-Morning
80°F 27°C
Scattered Showers
Mid-Afternoon
93°F 34°C
Sunny
Early-Evening
89°F 31°C
Sunny
Sizzling hot near 93°F 34°C with a heat index reaching 98°F 36°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the SW to the S at 5 mph 8 km/h.
Saturday, September 19, 2026
Mid-Morning
83°F 29°C
Sunny
Mid-Afternoon
94°F 34°C
Sunny
Early-Evening
89°F 32°C
Sunny
Hot and sweltering around 94°F 34°C (heat index 97°F 36°C), partly cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds switching from the SSW to the S at 9 mph 14 km/h. Gusts up to 23 mph 36 km/h.
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