McCook, IL 14 Day Weather - WeatherWorld.com
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McCook, IL Weather Forecast


McCook, IL Weather Forecast Dated: 619 AM Thu Sep 03 2026
Expect a very warm period with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate. Isolated storms at times.
Thursday, September 3, 2026
Mid-Morning
81°F 27°C
Scattered Showers
Mid-Afternoon
89°F 32°C
Nearby Thunderstorms
Early-Evening
84°F 29°C
Nearby Thunderstorms
Warm and summery around 89°F 32°C (feels like 93°F 34°C), periods of heavy rain and gusty conditions, with lower humidity and steady pressure. A stray shower or storm late in the day.
Friday, September 4, 2026
Mid-Morning
77°F 25°C
Partly Cloudy
Mid-Afternoon
89°F 31°C
Nearby Thunderstorms
Early-Evening
85°F 29°C
Nearby Thunderstorms
Quite warm reaching 89°F 31°C, feeling like 94°F 34°C during peak afternoon, locally heavy thunderstorms at times, with steady humidity and steady pressure.
Saturday, September 5, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
79°F 26°C
Sunny
Very warm near 82°F 28°C, though humidity makes it feel like 85°F 29°C, sunny throughout the day, with steady humidity and steady pressure.
Sunday, September 6, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
85°F 29°C
Nearby Thunderstorms
Early-Evening
77°F 25°C
Nearby Thunderstorms
Warm and summery around 85°F 29°C (feels like 89°F 32°C), periods of heavy thunderstorms, with lower humidity and steady pressure.
Monday, September 7, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
84°F 29°C
Overcast
Early-Evening
80°F 27°C
Overcast
Quite warm reaching 84°F 29°C, feeling like 89°F 31°C during peak afternoon, sunny in the morning, becoming overcast through the afternoon and evening, with increasing humidity and barometric pressure falling.
Tuesday, September 8, 2026
Mid-Morning
80°F 27°C
Overcast
Mid-Afternoon
90°F 32°C
Overcast
Early-Evening
88°F 32°C
Overcast
Very hot with a high of 90°F 32°C, feeling closer to 97°F 36°C in the humidity, partly cloudy in the morning, overcast in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds turning from the SSW to the S at 12 mph 18 km/h. Gusts up to 32 mph 52 km/h.
Wednesday, September 9, 2026
Mid-Morning
83°F 28°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
75°F 24°C
Sunny
Balmy with temperatures reaching 83°F 28°C, sunny throughout the day, with steady humidity and steady pressure. Winds blowing from the WNW at 12 mph 20 km/h.
Thursday, September 10, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
67°F 20°C
Partly Cloudy
Enjoyable around 75°F 24°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds moving from the N to the ENE at 8 mph 13 km/h.
Friday, September 11, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
76°F 25°C
Partly Cloudy
Early-Evening
72°F 22°C
Sunny
Mild temperatures up to 76°F 25°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds swinging from the ESE to the SE at 8 mph 13 km/h.
Saturday, September 12, 2026
Mid-Morning
71°F 22°C
Cloudy
Mid-Afternoon
83°F 28°C
Overcast
Early-Evening
81°F 27°C
Overcast
Very warm with a high of 83°F 28°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds shifting from the S to the SSE at 13 mph 22 km/h. Gusts up to 32 mph 52 km/h.
Sunday, September 13, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
93°F 34°C
Sunny
Early-Evening
88°F 31°C
Sunny
Hot and sweltering around 93°F 34°C (heat index 99°F 37°C), sunny throughout the day, with steady humidity and steady pressure. Winds turning from the SSW to the S at 10 mph 15 km/h. Gusts up to 31 mph 49 km/h.
Monday, September 14, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
79°F 26°C
Sunny
Balmy with temperatures reaching 89°F 32°C, sunny throughout the day, with lower humidity and barometric pressure rising. Winds switching from the E to the N at 8 mph 14 km/h.
Tuesday, September 15, 2026
Mid-Morning
69°F 21°C
Partly Cloudy
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
72°F 23°C
Sunny
Enjoyable around 79°F 26°C, sunny throughout the day, with increasing humidity and steady pressure.
Wednesday, September 16, 2026
Mid-Morning
65°F 19°C
Sunny
Mid-Afternoon
71°F 21°C
Sunny
Early-Evening
62°F 17°C
Sunny
Mild temperatures up to 71°F 21°C, sunny throughout the day, with increasing humidity and steady pressure. Winds moving from the NNE to the NE at 10 mph 15 km/h.
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