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Sun Lake, IL 14 Day Weather
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Sun Lake, IL Weather Forecast
Sun Lake, IL Weather Forecast Dated: 400 PM Tue Sep 15 2026
Expect a mild stretch with more clouds than sun and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.
Tuesday, September 15, 2026
Mid-Morning
65°F 18°C
Light Showers
Mid-Afternoon
73°F 23°C
Partly Cloudy
Early-Evening
72°F 22°C
Overcast
Pleasant near 73°F 23°C, early showers breaking for a drier afternoon, with steady humidity and steady pressure. Winds turning from the SW to the NNW at 4 mph 6 km/h.
Wednesday, September 16, 2026
Mid-Morning
67°F 19°C
Overcast
Mid-Afternoon
71°F 22°C
Overcast
Early-Evening
66°F 19°C
Overcast
Comfortable with temperatures reaching 71°F 22°C, overcast through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds blowing from the ENE at 7 mph 12 km/h.
Thursday, September 17, 2026
Mid-Morning
67°F 19°C
Cloudy
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
66°F 19°C
Partly Cloudy
Enjoyable around 75°F 24°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
69°F 21°C
Overcast
Early-Evening
68°F 20°C
Scattered Showers
Mild temperatures up to 69°F 21°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds moving from the E to the ESE at 9 mph 14 km/h. Gusts up to 21 mph 34 km/h.
Saturday, September 19, 2026
Mid-Morning
65°F 18°C
Light Showers
Mid-Afternoon
71°F 21°C
Overcast
Early-Evening
68°F 20°C
Light Fog
Mild with a high of 71°F 21°C, scattered morning showers before drying out later, with steady humidity and steady pressure. Winds swinging from the ESE to the NE at 6 mph 10 km/h.
Sunday, September 20, 2026
Mid-Morning
63°F 17°C
Heavy Rain Showers
Mid-Afternoon
62°F 17°C
Light Showers
Early-Evening
61°F 16°C
Light Showers
Mildly cool near 62°F 17°C, on-and-off showers throughout the day, with steady humidity and steady pressure. Winds blowing from the NE at 8 mph 12 km/h.
Monday, September 21, 2026
Mid-Morning
62°F 17°C
Light Showers
Mid-Afternoon
67°F 20°C
Scattered Showers
Early-Evening
67°F 20°C
Scattered Showers
Comfortable at 67°F 20°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
72°F 22°C
Sunny
Enjoyable around 74°F 23°C, sunny throughout the day, with steady humidity and steady pressure.
Wednesday, September 23, 2026
Mid-Morning
69°F 21°C
Sunny
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
74°F 23°C
Overcast
Mild temperatures up to 75°F 24°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds SE at 7 mph 11 km/h. Gusts up to 23 mph 36 km/h.
Thursday, September 24, 2026
Mid-Morning
67°F 20°C
Heavy Rain Showers
Mid-Afternoon
73°F 23°C
Scattered Showers
Early-Evening
70°F 22°C
Scattered Showers
Mild with a high of 73°F 23°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds switching from the SW to the NW at 4 mph 6 km/h.
Friday, September 25, 2026
Mid-Morning
64°F 18°C
Fog
Mid-Afternoon
63°F 17°C
Scattered Showers
Early-Evening
61°F 17°C
Light Showers
Comfortable at 63°F 17°C, scattered downpours possible, with steady humidity and steady pressure. Winds moving from the NNE to the N at 11 mph 18 km/h. Gusts up to 26 mph 41 km/h.
Saturday, September 26, 2026
Mid-Morning
58°F 14°C
Sunny
Mid-Afternoon
62°F 17°C
Sunny
Early-Evening
57°F 14°C
Scattered Showers
Cool with a high near 62°F 17°C, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds swinging from the NNW to the ESE at 7 mph 12 km/h.
Sunday, September 27, 2026
Mid-Morning
56°F 13°C
Overcast
Mid-Afternoon
60°F 16°C
Sunny
Early-Evening
56°F 13°C
Sunny
Refreshing around 60°F 16°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the ESE to the SW at 5 mph 8 km/h.
Monday, September 28, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
61°F 16°C
Overcast
Early-Evening
58°F 15°C
Partly Cloudy
Mildly cool near 61°F 16°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.
Sun Lake, IL Weather Radar Map
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