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Leon Corners, IL Weather Forecast
Leon Corners, IL Weather Forecast Dated: 208 PM Thu Sep 17 2026
Expect a mild stretch with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate. Isolated storms at times.
Thursday, September 17, 2026
Mid-Morning
67°F 19°C
Light Showers
Mid-Afternoon
77°F 25°C
Light Showers
Early-Evening
67°F 19°C
Scattered Showers
Pleasant near 77°F 25°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. A stray shower or storm late in the day. Winds turning from the E to the NNE at 9 mph 14 km/h.
Friday, September 18, 2026
Mid-Morning
62°F 16°C
Overcast
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
72°F 22°C
Scattered Showers
Comfortable with temperatures reaching 75°F 24°C, scattered downpours possible, with steady humidity and barometric pressure falling. Winds switching from the ENE to the ESE at 13 mph 21 km/h. Gusts up to 26 mph 41 km/h.
Saturday, September 19, 2026
Mid-Morning
72°F 22°C
Overcast
Mid-Afternoon
78°F 26°C
Overcast
Early-Evening
77°F 25°C
Overcast
Enjoyable around 78°F 26°C, overcast throughout the day, with steady humidity and steady pressure. Winds SSW at 12 mph 19 km/h. Gusts up to 21 mph 35 km/h.
Sunday, September 20, 2026
Mid-Morning
63°F 17°C
Scattered Showers
Mid-Afternoon
63°F 17°C
Overcast
Early-Evening
62°F 17°C
Overcast
Cool with a high near 63°F 17°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds swinging from the NE to the ENE at 14 mph 22 km/h. Gusts up to 25 mph 40 km/h.
Monday, September 21, 2026
Mid-Morning
54°F 12°C
Heavy Rain Showers
Mid-Afternoon
65°F 18°C
Scattered Showers
Early-Evening
61°F 16°C
Scattered Showers
Refreshing around 65°F 18°C, scattered downpours possible, with steady humidity and barometric pressure falling. Winds shifting from the NE to the WNW at 10 mph 15 km/h.
Tuesday, September 22, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
64°F 18°C
Sunny
Pleasant near 68°F 20°C, partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds turning from the WNW to the SE at 6 mph 10 km/h.
Wednesday, September 23, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
64°F 18°C
Light Showers
Early-Evening
59°F 16°C
Light Showers
Comfortable at 64°F 18°C, drier morning followed by showers lasting through evening, with steady humidity and steady pressure. Winds switching from the S to the W at 13 mph 20 km/h. Gusts up to 29 mph 46 km/h.
Thursday, September 24, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
62°F 17°C
Sunny
Early-Evening
56°F 14°C
Sunny
Cool with a high near 62°F 17°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds moving from the W to the WNW at 13 mph 20 km/h. Gusts up to 28 mph 45 km/h.
Friday, September 25, 2026
Mid-Morning
51°F 11°C
Sunny
Mid-Afternoon
62°F 17°C
Sunny
Early-Evening
56°F 14°C
Sunny
Refreshing around 62°F 17°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the NW to the NNW at 6 mph 9 km/h.
Saturday, September 26, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
67°F 19°C
Sunny
Early-Evening
60°F 16°C
Sunny
Mildly cool near 67°F 19°C, sunny throughout the day, with steady humidity and steady pressure.
Sunday, September 27, 2026
Mid-Morning
57°F 14°C
Overcast
Mid-Afternoon
70°F 21°C
Cloudy
Early-Evening
66°F 19°C
Overcast
Pleasant near 70°F 21°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds shifting from the S to the SSE at 10 mph 15 km/h. Gusts up to 20 mph 32 km/h.
Monday, September 28, 2026
Mid-Morning
62°F 16°C
Cloudy
Mid-Afternoon
76°F 24°C
Sunny
Early-Evening
69°F 21°C
Sunny
Comfortable with temperatures reaching 76°F 24°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds turning from the SSW to the SSE at 7 mph 10 km/h.
Tuesday, September 29, 2026
Mid-Morning
66°F 19°C
Overcast
Mid-Afternoon
68°F 20°C
Overcast
Early-Evening
67°F 20°C
Overcast
Enjoyable around 68°F 20°C, overcast throughout the day, with increasing humidity and steady pressure.
Wednesday, September 30, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
66°F 19°C
Overcast
Early-Evening
59°F 16°C
Overcast
Mildly cool near 66°F 19°C, cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds switching from the NE to the ENE at 14 mph 23 km/h. Gusts up to 22 mph 34 km/h.
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