Casey, IL 14 Day Weather - 62420 WeatherWorld.com
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Casey, IL Weather Forecast


Casey, IL Weather Forecast Dated: 825 AM Fri Sep 04 2026
Expect a hot stretch with plenty of sunshine and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.
Friday, September 4, 2026
Mid-Morning
87°F 30°C
Sunny
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
91°F 33°C
Sunny
Sizzling hot near 97°F 36°C with a heat index reaching 102°F 39°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the WSW to the ESE at 4 mph 7 km/h.
Saturday, September 5, 2026
Mid-Morning
83°F 28°C
Sunny
Mid-Afternoon
96°F 35°C
Sunny
Early-Evening
87°F 31°C
Sunny
Hot and sweltering around 96°F 35°C (heat index 101°F 39°C), sunny throughout the day, with increasing humidity and steady pressure. Winds building from W at 3 mph 5 km/h to ENE at 11 mph 17 km/h. Gusts up to 20 mph 33 km/h.
Sunday, September 6, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
74°F 23°C
Sunny
Quite warm around 81°F 27°C, sunny throughout the day, with lower humidity and steady pressure. Winds ENE at 14 mph 22 km/h. Gusts up to 24 mph 38 km/h.
Monday, September 7, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
74°F 23°C
Sunny
Warm temperatures up to 81°F 27°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds swinging from the E to the NE at 9 mph 13 km/h.
Tuesday, September 8, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
91°F 33°C
Overcast
Early-Evening
85°F 30°C
Sunny
Very hot with a high of 91°F 33°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and barometric pressure falling. Winds shifting from the S to the SE at 8 mph 13 km/h.
Wednesday, September 9, 2026
Mid-Morning
85°F 30°C
Sunny
Mid-Afternoon
102°F 39°C
Sunny
Early-Evening
95°F 35°C
Sunny
Dangerously hot with a high of 102°F 39°C (heat index near 105°F 40°C), sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds turning from the SW to the SSW at 8 mph 13 km/h.
Thursday, September 10, 2026
Mid-Morning
83°F 28°C
Scattered Showers
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
89°F 32°C
Sunny
Sizzling hot near 99°F 37°C with a heat index reaching 103°F 39°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling. Winds switching from the WSW to the ESE at 6 mph 10 km/h.
Friday, September 11, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
96°F 35°C
Scattered Showers
Early-Evening
87°F 31°C
Cloudy
Hot and sweltering around 96°F 35°C (heat index 100°F 38°C), scattered downpours possible, with lower humidity and steady pressure.
Saturday, September 12, 2026
Mid-Morning
86°F 30°C
Sunny
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
89°F 32°C
Overcast
Hot temperatures near 97°F 36°C, sunny in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the SW to the S at 6 mph 10 km/h.
Sunday, September 13, 2026
Mid-Morning
86°F 30°C
Sunny
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
91°F 33°C
Sunny
Very hot with a high of 99°F 37°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds swinging from the SSW to the WNW at 14 mph 23 km/h. Gusts up to 24 mph 39 km/h.
Monday, September 14, 2026
Mid-Morning
71°F 22°C
Light Fog
Mid-Afternoon
77°F 25°C
Scattered Showers
Early-Evening
73°F 23°C
Partly Cloudy
Pleasant near 77°F 25°C, scattered downpours possible, with lower humidity and steady pressure.
Tuesday, September 15, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
86°F 30°C
Partly Cloudy
Early-Evening
85°F 29°C
Sunny
Very warm near 86°F 30°C, though humidity makes it feel like 89°F 32°C, sunny through the afternoon, turning overcast this evening, with lower humidity and steady pressure. Winds shifting from the SSE to the S at 9 mph 13 km/h.
Wednesday, September 16, 2026
Mid-Morning
83°F 28°C
Sunny
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
92°F 33°C
Cloudy
Sizzling hot with 99°F 37°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds turning from the SSW to the S at 10 mph 15 km/h.
Thursday, September 17, 2026
Mid-Morning
83°F 29°C
Scattered Showers
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
76°F 25°C
Light Showers
Quite warm reaching 82°F 28°C, feeling like 87°F 30°C during peak afternoon, scattered downpours possible, with increasing humidity and steady pressure. Winds switching from the SSW to the WNW at 7 mph 11 km/h.
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