Clapper, IL 14 Day Weather
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Clapper, IL Weather Forecast


Clapper, IL Weather Forecast Dated: 647 AM Tue Sep 15 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.
Tuesday, September 15, 2026
Mid-Morning
74°F 23°C
Scattered Showers
Mid-Afternoon
92°F 33°C
Scattered Showers
Early-Evening
78°F 26°C
Overcast
Sizzling hot near 92°F 33°C with a heat index reaching 95°F 35°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds out of the WNW at 9 mph 14 km/h.
Wednesday, September 16, 2026
Mid-Morning
72°F 22°C
Light Showers
Mid-Afternoon
88°F 31°C
Partly Cloudy
Early-Evening
80°F 27°C
Sunny
Quite warm reaching 88°F 31°C, feeling like 93°F 34°C during peak afternoon, scattered morning showers before drying out later, with steady humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
74°F 24°C
Overcast
Mid-Afternoon
84°F 29°C
Overcast
Early-Evening
78°F 26°C
Partly Cloudy
Very warm near 84°F 29°C, though humidity makes it feel like 88°F 31°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
73°F 23°C
Partly Cloudy
Mid-Afternoon
89°F 31°C
Partly Cloudy
Early-Evening
84°F 29°C
Overcast
Warm and summery around 89°F 31°C (feels like 93°F 34°C), partly cloudy throughout the day, with lower humidity and barometric pressure falling. Winds switching from the E to the ESE at 7 mph 11 km/h.
Saturday, September 19, 2026
Mid-Morning
79°F 26°C
Overcast
Mid-Afternoon
96°F 35°C
Sunny
Early-Evening
88°F 31°C
Partly Cloudy
Very hot with a high of 96°F 35°C, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds SW at 13 mph 22 km/h. Gusts up to 20 mph 32 km/h.
Sunday, September 20, 2026
Mid-Morning
78°F 26°C
Scattered Showers
Mid-Afternoon
92°F 34°C
Sunny
Early-Evening
85°F 30°C
Partly Cloudy
Very hot with temperatures reaching 92°F 34°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds swinging from the SW to the S at 8 mph 12 km/h.
Monday, September 21, 2026
Mid-Morning
76°F 25°C
Cloudy
Mid-Afternoon
87°F 31°C
Overcast
Early-Evening
77°F 25°C
Scattered Showers
Balmy with temperatures reaching 87°F 31°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds shifting from the W to the NNW at 7 mph 11 km/h.
Tuesday, September 22, 2026
Mid-Morning
69°F 21°C
Light Fog
Mid-Afternoon
79°F 26°C
Scattered Showers
Early-Evening
73°F 22°C
Overcast
Enjoyable around 79°F 26°C, scattered downpours possible, with lower humidity and steady pressure. Winds turning from the WNW to the NNW at 9 mph 13 km/h.
Wednesday, September 23, 2026
Mid-Morning
65°F 18°C
Scattered Showers
Mid-Afternoon
70°F 21°C
Scattered Showers
Early-Evening
67°F 20°C
Overcast
Mild temperatures up to 70°F 21°C, locally heavy downpours at times, with steady humidity and steady pressure.
Thursday, September 24, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
72°F 23°C
Overcast
Mild with a high of 77°F 25°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds switching from the NE to the NNW at 10 mph 16 km/h.
Friday, September 25, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
59°F 15°C
Sunny
Comfortable at 65°F 18°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the ESE to the N at 8 mph 14 km/h.
Saturday, September 26, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
67°F 19°C
Sunny
Early-Evening
60°F 16°C
Sunny
Cool with a high near 67°F 19°C, sunny throughout the day, with steady humidity and steady pressure. Winds NNE at 11 mph 17 km/h.
Sunday, September 27, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
63°F 17°C
Sunny
Early-Evening
57°F 14°C
Sunny
Refreshing around 63°F 17°C, sunny throughout the day, with steady humidity and steady pressure. Winds out of the NE at 13 mph 22 km/h.
Monday, September 28, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
61°F 17°C
Sunny
Mild temperatures up to 68°F 20°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds turning from the E to the NNE at 8 mph 13 km/h.
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