Keys Park, IL 14 Day Weather
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Keys Park, IL Weather Forecast


Keys Park, IL Weather Forecast Dated: 1144 AM Wed Sep 16 2026
Expect a hot stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate. Isolated storms at times.
Wednesday, September 16, 2026
Mid-Morning
79°F 26°C
Sunny
Mid-Afternoon
99°F 37°C
Cloudy
Early-Evening
88°F 31°C
Sunny
Sizzling hot near 99°F 37°C with a heat index reaching 102°F 39°C, sunny in the morning, overcast in the afternoon, and sunny this evening, with lower humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
84°F 29°C
Partly Cloudy
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
91°F 33°C
Sunny
Hot and sweltering around 99°F 37°C, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds turning from the WSW to the ENE at 5 mph 9 km/h.
Friday, September 18, 2026
Mid-Morning
85°F 29°C
Sunny
Mid-Afternoon
101°F 38°C
Cloudy
Early-Evening
89°F 32°C
Scattered Showers
Dangerously hot temperatures around 101°F 38°C, locally heavy downpours at times, with steady humidity and barometric pressure falling. Winds switching from the ESE to the SSE at 5 mph 9 km/h.
Saturday, September 19, 2026
Mid-Morning
86°F 30°C
Sunny
Mid-Afternoon
99°F 37°C
Overcast
Early-Evening
93°F 34°C
Overcast
Hot temperatures near 99°F 37°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds moving from the WSW to the ESE at 5 mph 8 km/h.
Sunday, September 20, 2026
Mid-Morning
85°F 29°C
Sunny
Mid-Afternoon
101°F 38°C
Overcast
Early-Evening
92°F 33°C
Overcast
Scorching hot near 101°F 38°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds swinging from the W to the N at 5 mph 9 km/h.
Monday, September 21, 2026
Mid-Morning
75°F 24°C
Overcast
Mid-Afternoon
85°F 30°C
Scattered Showers
Early-Evening
77°F 25°C
Overcast
Very warm near 85°F 30°C, though humidity makes it feel like 88°F 31°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds shifting from the SE to the SSE at 6 mph 10 km/h.
Tuesday, September 22, 2026
Mid-Morning
72°F 22°C
Light Fog
Mid-Afternoon
87°F 31°C
Sunny
Early-Evening
79°F 27°C
Sunny
Balmy with temperatures reaching 87°F 31°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the WNW to the ENE at 6 mph 9 km/h.
Wednesday, September 23, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
92°F 33°C
Overcast
Early-Evening
85°F 30°C
Overcast
Sizzling hot with 92°F 33°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds switching from the SSE to the S at 9 mph 14 km/h.
Thursday, September 24, 2026
Mid-Morning
67°F 20°C
Scattered Showers
Mid-Afternoon
76°F 25°C
Scattered Showers
Early-Evening
68°F 20°C
Sunny
Mild temperatures up to 76°F 25°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds moving from the WNW to the NNW at 12 mph 20 km/h. Gusts up to 23 mph 37 km/h.
Friday, September 25, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
68°F 20°C
Sunny
Mild with a high of 75°F 24°C, sunny throughout the day, with lower humidity and steady pressure. Winds swinging from the NNW to the SSE at 5 mph 9 km/h.
Saturday, September 26, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
72°F 22°C
Sunny
Warm and summery near 81°F 27°C, sunny throughout the day, with lower humidity and steady pressure. Winds out of the ESE at 8 mph 13 km/h.
Sunday, September 27, 2026
Mid-Morning
69°F 21°C
Sunny
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
81°F 27°C
Sunny
Balmy with temperatures reaching 89°F 32°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds blowing from the SSE at 10 mph 15 km/h.
Monday, September 28, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
88°F 31°C
Cloudy
Early-Evening
84°F 29°C
Overcast
Quite warm around 88°F 31°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds switching from the SSE to the SE at 8 mph 13 km/h.
Tuesday, September 29, 2026
Mid-Morning
79°F 26°C
Overcast
Mid-Afternoon
84°F 29°C
Scattered Showers
Early-Evening
75°F 24°C
Light Showers
Quite warm reaching 84°F 29°C, feeling like 88°F 31°C during peak afternoon, scattered downpours possible, with increasing humidity and steady pressure. A stray shower or storm late in the day. Winds moving from the S to the SSW at 8 mph 12 km/h.
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