Leeper Lake, IL 14 Day Weather
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Leeper Lake, IL Weather Forecast


Leeper Lake, IL Weather Forecast Dated: 259 PM Wed Oct 07 2026
Expect a mild stretch with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.
Wednesday, October 7, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
68°F 20°C
Sunny
Warm and summery near 83°F 28°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the WSW to the N at 9 mph 14 km/h.
Thursday, October 8, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
79°F 26°C
Cloudy
Early-Evening
67°F 20°C
Sunny
Comfortable with temperatures reaching 79°F 26°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.
Friday, October 9, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
76°F 24°C
Sunny
Quite warm around 86°F 30°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds blowing from the SSW at 12 mph 20 km/h. Gusts up to 20 mph 32 km/h.
Saturday, October 10, 2026
Mid-Morning
69°F 20°C
Overcast
Mid-Afternoon
83°F 28°C
Overcast
Early-Evening
72°F 22°C
Overcast
Warm temperatures up to 83°F 28°C, overcast throughout the day, with steady humidity and steady pressure. Winds moving from the S to the SSE at 10 mph 16 km/h. Gusts up to 22 mph 35 km/h.
Sunday, October 11, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
73°F 23°C
Sunny
Very warm with a high of 83°F 28°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure.
Monday, October 12, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
83°F 28°C
Sunny
Warm and summery near 89°F 32°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds out of the SW at 16 mph 26 km/h. Gusts up to 30 mph 48 km/h.
Tuesday, October 13, 2026
Mid-Morning
65°F 19°C
Sunny
Mid-Afternoon
72°F 22°C
Partly Cloudy
Early-Evening
66°F 19°C
Sunny
Comfortable with temperatures reaching 72°F 22°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds shifting from the ESE to the ENE at 9 mph 15 km/h.
Wednesday, October 14, 2026
Mid-Morning
61°F 16°C
Partly Cloudy
Mid-Afternoon
83°F 28°C
Overcast
Early-Evening
82°F 28°C
Cloudy
Quite warm around 83°F 28°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds turning from the SE to the SSE at 13 mph 20 km/h. Gusts up to 28 mph 45 km/h.
Thursday, October 15, 2026
Mid-Morning
82°F 28°C
Partly Cloudy
Mid-Afternoon
91°F 33°C
Cloudy
Early-Evening
75°F 24°C
Cloudy
Hot temperatures near 91°F 33°C, sunny in the morning, becoming cloudy through the afternoon and evening, with steady humidity and barometric pressure rising. Winds switching from the SSW to the WNW at 18 mph 29 km/h. Gusts up to 32 mph 52 km/h.
Friday, October 16, 2026
Mid-Morning
58°F 15°C
Partly Cloudy
Mid-Afternoon
68°F 20°C
Overcast
Early-Evening
60°F 16°C
Overcast
Mild with a high of 68°F 20°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the ESE to the NNW at 12 mph 19 km/h. Gusts up to 21 mph 34 km/h.
Saturday, October 17, 2026
Mid-Morning
47°F 8°C
Overcast
Mid-Afternoon
57°F 14°C
Overcast
Early-Evening
48°F 9°C
Sunny
Chilly near 57°F 14°C, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds NNW at 11 mph 18 km/h.
Sunday, October 18, 2026
Mid-Morning
46°F 8°C
Sunny
Mid-Afternoon
61°F 16°C
Partly Cloudy
Early-Evening
52°F 11°C
Sunny
Cool with a high near 61°F 16°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure.
Monday, October 19, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
65°F 19°C
Overcast
Early-Evening
59°F 15°C
Overcast
Refreshing around 65°F 19°C, cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling. Winds out of the SSE at 13 mph 21 km/h.
Tuesday, October 20, 2026
Mid-Morning
55°F 13°C
Scattered Showers
Mid-Afternoon
58°F 14°C
Drizzle
Early-Evening
57°F 14°C
Scattered Showers
Mildly cool near 58°F 14°C, scattered downpours possible, with increasing humidity and steady pressure.
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