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Spring Slough, IL 14 Day Weather
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Spring Slough, IL Weather Forecast
Spring Slough, IL Weather Forecast Dated: 334 PM Thu Sep 10 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.
Thursday, September 10, 2026
Mid-Morning
71°F 22°C
Scattered Showers
Mid-Afternoon
84°F 29°C
Scattered Showers
Early-Evening
73°F 23°C
Sunny
Warm and summery around 84°F 29°C (feels like 87°F 30°C), periods of heavy rain and gusty conditions, with lower humidity and steady pressure.
Friday, September 11, 2026
Mid-Morning
67°F 20°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
76°F 25°C
Sunny
Balmy with temperatures reaching 83°F 28°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds turning from the SSE to the SE at 8 mph 13 km/h.
Saturday, September 12, 2026
Mid-Morning
71°F 21°C
Partly Cloudy
Mid-Afternoon
90°F 32°C
Overcast
Early-Evening
78°F 26°C
Scattered Showers
Sizzling hot with 90°F 32°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds blowing from the S at 6 mph 10 km/h.
Sunday, September 13, 2026
Mid-Morning
71°F 21°C
Scattered Showers
Mid-Afternoon
76°F 24°C
Scattered Showers
Early-Evening
72°F 23°C
Scattered Showers
Mild temperatures up to 76°F 24°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds moving from the SSW to the E at 9 mph 14 km/h.
Monday, September 14, 2026
Mid-Morning
76°F 24°C
Sunny
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
88°F 31°C
Sunny
Hot and sweltering around 91°F 33°C (heat index 96°F 35°C), partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds swinging from the S to the SSW at 10 mph 17 km/h. Gusts up to 26 mph 41 km/h.
Tuesday, September 15, 2026
Mid-Morning
71°F 22°C
Light Showers
Mid-Afternoon
72°F 22°C
Overcast
Early-Evening
67°F 20°C
Overcast
Pleasant near 72°F 22°C, morning showers, giving way to clearing skies, with lower humidity and steady pressure. Winds shifting from the NNW to the NNE at 8 mph 14 km/h.
Wednesday, September 16, 2026
Mid-Morning
59°F 15°C
Light Showers
Mid-Afternoon
59°F 15°C
Light Showers
Early-Evening
58°F 14°C
Heavy Rain Showers
Comfortable at 59°F 15°C, rounds of showers expected off and on all day, with steady humidity and steady pressure. Winds NE at 12 mph 19 km/h. Gusts up to 23 mph 38 km/h.
Thursday, September 17, 2026
Mid-Morning
78°F 26°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
62°F 17°C
Overcast
Enjoyable around 73°F 23°C, cloudy throughout the day, with steady humidity and barometric pressure rising. Winds switching from the SW to the NNE at 6 mph 9 km/h.
Friday, September 18, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
61°F 16°C
Sunny
Early-Evening
56°F 14°C
Sunny
Refreshing around 61°F 16°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the NNE to the N at 7 mph 11 km/h.
Saturday, September 19, 2026
Mid-Morning
52°F 11°C
Sunny
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
59°F 15°C
Sunny
Mildly cool near 66°F 19°C, sunny throughout the day, with steady humidity and steady pressure.
Sunday, September 20, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
72°F 22°C
Partly Cloudy
Early-Evening
65°F 19°C
Sunny
Pleasant near 72°F 22°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds S at 11 mph 18 km/h.
Monday, September 21, 2026
Mid-Morning
62°F 17°C
Overcast
Mid-Afternoon
68°F 20°C
Light Showers
Early-Evening
66°F 19°C
Light Showers
Comfortable with temperatures reaching 68°F 20°C, dry early, with showers continuing through afternoon and evening, with increasing humidity and steady pressure. Winds shifting from the S to the SSW at 10 mph 16 km/h. Gusts up to 25 mph 41 km/h.
Tuesday, September 22, 2026
Mid-Morning
62°F 17°C
Light Fog
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
64°F 18°C
Partly Cloudy
Enjoyable around 74°F 23°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the WSW to the NNW at 13 mph 20 km/h. Gusts up to 24 mph 38 km/h.
Wednesday, September 23, 2026
Mid-Morning
53°F 12°C
Cloudy
Mid-Afternoon
63°F 17°C
Sunny
Early-Evening
59°F 15°C
Scattered Showers
Mildly cool near 63°F 17°C, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the NNW to the NE at 9 mph 15 km/h.
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