Mackinaw, IL 14 Day Weather - 61755 WeatherWorld.com
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Mackinaw, IL Weather Forecast


Mackinaw, IL Weather Forecast Dated: 252 AM Fri Sep 11 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.
Friday, September 11, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
79°F 26°C
Overcast
Early-Evening
74°F 24°C
Overcast
Pleasant near 79°F 26°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling.
Saturday, September 12, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
85°F 29°C
Sunny
Early-Evening
80°F 27°C
Sunny
Balmy with temperatures reaching 85°F 29°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
73°F 23°C
Overcast
Mid-Afternoon
76°F 24°C
Overcast
Early-Evening
70°F 21°C
Overcast
Enjoyable around 76°F 24°C, overcast throughout the day, with steady humidity and steady pressure. Winds turning from the SW to the ENE at 11 mph 17 km/h.
Monday, September 14, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
87°F 31°C
Overcast
Warm and summery around 86°F 30°C (feels like 89°F 32°C), overcast in the morning, sunny in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds switching from the E to the S at 9 mph 14 km/h. Gusts up to 22 mph 35 km/h.
Tuesday, September 15, 2026
Mid-Morning
78°F 26°C
Sunny
Mid-Afternoon
89°F 32°C
Partly Cloudy
Early-Evening
83°F 29°C
Sunny
Quite warm reaching 89°F 32°C, feeling like 94°F 35°C during peak afternoon, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds moving from the SW to the SSE at 5 mph 8 km/h.
Wednesday, September 16, 2026
Mid-Morning
75°F 24°C
Scattered Showers
Mid-Afternoon
82°F 28°C
Partly Cloudy
Early-Evening
68°F 21°C
Scattered Thunderstorms
Very warm near 82°F 28°C, though humidity makes it feel like 87°F 31°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds swinging from the ENE to the NE at 13 mph 21 km/h. Gusts up to 23 mph 37 km/h.
Thursday, September 17, 2026
Mid-Morning
60°F 15°C
Light Showers
Mid-Afternoon
66°F 19°C
Scattered Showers
Early-Evening
63°F 18°C
Partly Cloudy
Comfortable at 66°F 19°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds shifting from the NNE to the SE at 10 mph 16 km/h.
Friday, September 18, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
61°F 16°C
Sunny
Cool with a high near 66°F 19°C, sunny throughout the day, with steady humidity and barometric pressure falling.
Saturday, September 19, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
69°F 21°C
Partly Cloudy
Early-Evening
64°F 18°C
Sunny
Mild temperatures up to 69°F 21°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure.
Sunday, September 20, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
66°F 19°C
Sunny
Mild with a high of 72°F 22°C, sunny throughout the day, with steady humidity and steady pressure.
Monday, September 21, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
67°F 20°C
Sunny
Pleasant near 73°F 23°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds ESE at 10 mph 16 km/h.
Tuesday, September 22, 2026
Mid-Morning
64°F 18°C
Partly Cloudy
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
73°F 23°C
Overcast
Comfortable with temperatures reaching 77°F 25°C, cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds out of the SSW at 5 mph 9 km/h.
Wednesday, September 23, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
74°F 24°C
Sunny
Quite warm around 82°F 28°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the SSE to the E at 9 mph 14 km/h. Gusts up to 20 mph 33 km/h.
Thursday, September 24, 2026
Mid-Morning
69°F 20°C
Overcast
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
75°F 24°C
Scattered Showers
Mild temperatures up to 77°F 25°C, scattered downpours possible, with steady humidity and steady pressure. Winds swinging from the SE to the ESE at 11 mph 18 km/h. Gusts up to 25 mph 40 km/h.
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