Big Lake, IL 14 Day Weather
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Big Lake, IL Weather Forecast


Big Lake, IL Weather Forecast Dated: 1054 PM Wed Oct 14 2026
Expect a cool pattern with a mix of sun and clouds and frequent chances of rain over the coming period. moderate humidity and a stable pattern will dominate.
Wednesday, October 14, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
67°F 20°C
Overcast
Pleasant near 73°F 23°C, overcast throughout the day, with steady humidity and steady pressure. Winds turning from the N to the NNE at 8 mph 12 km/h.
Thursday, October 15, 2026
Mid-Morning
63°F 17°C
Heavy Rain
Mid-Afternoon
68°F 20°C
Overcast
Early-Evening
64°F 18°C
Light Showers
Comfortable with temperatures reaching 68°F 20°C, early showers and late showers with a lull during the afternoon, with lower humidity and steady pressure. Winds building from ESE at 4 mph 6 km/h to NW at 14 mph 22 km/h. Gusts up to 26 mph 42 km/h.
Friday, October 16, 2026
Mid-Morning
49°F 9°C
Overcast
Mid-Afternoon
51°F 11°C
Scattered Showers
Early-Evening
48°F 9°C
Overcast
Chilly near 51°F 11°C, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds moving from the NW to the N at 16 mph 26 km/h. Gusts up to 24 mph 38 km/h.
Saturday, October 17, 2026
Mid-Morning
43°F 6°C
Sunny
Mid-Afternoon
57°F 14°C
Sunny
Early-Evening
51°F 11°C
Sunny
Crisp with a high near 57°F 14°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Sunday, October 18, 2026
Mid-Morning
49°F 9°C
Sunny
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
56°F 14°C
Sunny
Refreshing around 66°F 19°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds out of the SSW at 13 mph 21 km/h.
Monday, October 19, 2026
Mid-Morning
52°F 11°C
Overcast
Mid-Afternoon
67°F 20°C
Overcast
Early-Evening
60°F 16°C
Overcast
Mildly cool near 67°F 20°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure.
Tuesday, October 20, 2026
Mid-Morning
58°F 14°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
64°F 18°C
Sunny
Comfortable with temperatures reaching 73°F 23°C, sunny throughout the day, with steady humidity and steady pressure.
Wednesday, October 21, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
67°F 20°C
Sunny
Enjoyable around 74°F 23°C, partly cloudy in the morning, sunny in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds shifting from the SSE to the SE at 9 mph 14 km/h.
Thursday, October 22, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
71°F 22°C
Sunny
Mild temperatures up to 79°F 26°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling. Winds S at 14 mph 23 km/h. Gusts up to 27 mph 43 km/h.
Friday, October 23, 2026
Mid-Morning
69°F 21°C
Cloudy
Mid-Afternoon
74°F 23°C
Overcast
Early-Evening
69°F 21°C
Scattered Showers
Mild with a high of 74°F 23°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds easing from S 19 mph 30 km/h to SSW 8 mph 12 km/h.
Saturday, October 24, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
76°F 24°C
Scattered Showers
Early-Evening
70°F 21°C
Scattered Showers
Pleasant near 76°F 24°C, scattered downpours possible, with steady humidity and steady pressure.
Sunday, October 25, 2026
Mid-Morning
56°F 13°C
Overcast
Mid-Afternoon
56°F 14°C
Overcast
Early-Evening
51°F 11°C
Overcast
Crisp with a high near 56°F 14°C, overcast throughout the day, with increasing humidity and steady pressure. Winds moving from the ESE to the NNW at 15 mph 23 km/h. Gusts up to 25 mph 40 km/h.
Monday, October 26, 2026
Mid-Morning
45°F 7°C
Sunny
Mid-Afternoon
59°F 15°C
Sunny
Early-Evening
52°F 11°C
Sunny
Refreshing around 59°F 15°C, sunny throughout the day, with lower humidity and steady pressure. Winds swinging from the W to the SW at 7 mph 11 km/h.
Tuesday, October 27, 2026
Mid-Morning
50°F 10°C
Partly Cloudy
Mid-Afternoon
62°F 16°C
Sunny
Early-Evening
55°F 13°C
Overcast
Mildly cool near 62°F 16°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling.
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