Walnut Chapel, IL 14 Day Weather
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Walnut Chapel, IL Weather Forecast


Walnut Chapel, IL Weather Forecast Dated: 842 AM Thu Sep 10 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. Isolated storms at times.
Thursday, September 10, 2026
Mid-Morning
73°F 23°C
Rain
Mid-Afternoon
74°F 23°C
Light Showers
Early-Evening
71°F 21°C
Cloudy
Pleasant near 74°F 23°C, intermittent showers through midday, easing by evening, with steady humidity and steady pressure. Winds turning from the WSW to the NNE at 8 mph 13 km/h.
Friday, September 11, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
75°F 24°C
Overcast
Balmy with temperatures reaching 83°F 28°C, sunny through the afternoon, turning overcast this evening, with lower humidity and steady pressure. Winds blowing from the E at 8 mph 13 km/h.
Saturday, September 12, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
80°F 27°C
Partly Cloudy
Quite warm around 89°F 32°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
77°F 25°C
Partly Cloudy
Mid-Afternoon
92°F 33°C
Overcast
Early-Evening
84°F 29°C
Overcast
Hot temperatures near 92°F 33°C, partly cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds moving from the S to the E at 8 mph 13 km/h.
Monday, September 14, 2026
Mid-Morning
79°F 26°C
Sunny
Mid-Afternoon
96°F 35°C
Sunny
Early-Evening
91°F 33°C
Partly Cloudy
Very hot with a high of 96°F 35°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds out of the SW at 17 mph 28 km/h. Gusts up to 24 mph 38 km/h.
Tuesday, September 15, 2026
Mid-Morning
80°F 26°C
Overcast
Mid-Afternoon
93°F 34°C
Partly Cloudy
Early-Evening
82°F 28°C
Sunny
Very hot with a high of 93°F 34°C, feeling closer to 96°F 36°C in the humidity, cloudy in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. A stray shower or storm late in the day. Winds blowing from the NW at 13 mph 21 km/h.
Wednesday, September 16, 2026
Mid-Morning
71°F 22°C
Light Fog
Mid-Afternoon
82°F 28°C
Overcast
Early-Evening
79°F 26°C
Partly Cloudy
Warm and summery around 82°F 28°C (feels like 85°F 30°C), overcast in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
80°F 26°C
Light Fog
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
79°F 26°C
Cloudy
Hot and sweltering around 98°F 37°C (heat index 101°F 38°C), sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds turning from the SSW to the E at 14 mph 22 km/h. Gusts up to 26 mph 42 km/h.
Friday, September 18, 2026
Mid-Morning
56°F 13°C
Scattered Showers
Mid-Afternoon
67°F 20°C
Sunny
Early-Evening
61°F 16°C
Sunny
Refreshing around 67°F 20°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds switching from the NE to the NNE at 10 mph 16 km/h.
Saturday, September 19, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
67°F 19°C
Sunny
Early-Evening
59°F 15°C
Sunny
Mildly cool near 67°F 19°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the NNE to the NE at 7 mph 11 km/h.
Sunday, September 20, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
63°F 17°C
Sunny
Pleasant near 71°F 22°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the ESE to the E at 8 mph 13 km/h.
Monday, September 21, 2026
Mid-Morning
61°F 16°C
Cloudy
Mid-Afternoon
81°F 27°C
Overcast
Early-Evening
78°F 25°C
Overcast
Balmy with temperatures reaching 81°F 27°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds out of the SSW at 15 mph 23 km/h. Gusts up to 28 mph 44 km/h.
Tuesday, September 22, 2026
Mid-Morning
69°F 21°C
Scattered Showers
Mid-Afternoon
62°F 17°C
Light Showers
Early-Evening
61°F 17°C
Light Showers
Refreshing around 62°F 17°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds tapering down from SSW 16 mph 25 km/h to WNW 6 mph 10 km/h.
Wednesday, September 23, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
68°F 20°C
Partly Cloudy
Early-Evening
62°F 17°C
Cloudy
Mild temperatures up to 68°F 20°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds switching from the NNW to the NNE at 12 mph 19 km/h.
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