Devess Slough, IL 14 Day Weather
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Devess Slough, IL Weather Forecast


Devess Slough, IL Weather Forecast Dated: 910 PM Sun Sep 06 2026
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.
Sunday, September 6, 2026
Mid-Morning
73°F 23°C
Cloudy
Mid-Afternoon
83°F 28°C
Overcast
Early-Evening
75°F 24°C
Partly Cloudy
Warm and summery near 83°F 28°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds turning from the ENE to the E at 8 mph 12 km/h.
Monday, September 7, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
78°F 25°C
Overcast
Early-Evening
71°F 22°C
Partly Cloudy
Comfortable with temperatures reaching 78°F 25°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds switching from the E to the SE at 8 mph 13 km/h.
Tuesday, September 8, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
87°F 31°C
Cloudy
Early-Evening
86°F 30°C
Scattered Showers
Quite warm around 87°F 31°C, locally heavy downpours at times, with lower humidity and barometric pressure falling. Winds S at 12 mph 20 km/h. Gusts up to 28 mph 45 km/h.
Wednesday, September 9, 2026
Mid-Morning
71°F 22°C
Light Showers
Mid-Afternoon
82°F 28°C
Overcast
Early-Evening
78°F 26°C
Overcast
Warm and summery around 82°F 28°C (feels like 86°F 30°C), early showers breaking for a drier afternoon, with steady humidity and steady pressure. Winds swinging from the S to the WSW at 5 mph 8 km/h.
Thursday, September 10, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
69°F 21°C
Sunny
Mild with a high of 75°F 24°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the N to the NNE at 6 mph 10 km/h.
Friday, September 11, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
83°F 28°C
Overcast
Early-Evening
75°F 24°C
Sunny
Warm and summery near 83°F 28°C, overcast in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds turning from the S to the WSW at 9 mph 15 km/h.
Saturday, September 12, 2026
Mid-Morning
69°F 20°C
Sunny
Mid-Afternoon
83°F 29°C
Sunny
Early-Evening
76°F 24°C
Sunny
Warm and summery around 83°F 29°C (feels like 86°F 30°C), sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds switching from the SSW to the SE at 9 mph 15 km/h.
Sunday, September 13, 2026
Mid-Morning
77°F 25°C
Scattered Showers
Mid-Afternoon
97°F 36°C
Overcast
Early-Evening
84°F 29°C
Sunny
Hot and sweltering around 97°F 36°C (heat index 102°F 39°C), scattered downpours possible, with steady humidity and steady pressure. Winds moving from the S to the SSE at 12 mph 19 km/h. Gusts up to 24 mph 38 km/h.
Monday, September 14, 2026
Mid-Morning
75°F 24°C
Light Showers
Mid-Afternoon
83°F 28°C
Cloudy
Early-Evening
78°F 26°C
Overcast
Very warm near 83°F 28°C, though humidity makes it feel like 87°F 31°C, morning showers, giving way to clearing skies, with lower humidity and steady pressure. Winds swinging from the SW to the NNW at 11 mph 18 km/h. Gusts up to 20 mph 32 km/h.
Tuesday, September 15, 2026
Mid-Morning
56°F 14°C
Fog
Mid-Afternoon
69°F 21°C
Partly Cloudy
Early-Evening
65°F 18°C
Overcast
Mild with a high of 69°F 21°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds shifting from the NNW to the NNE at 6 mph 10 km/h.
Wednesday, September 16, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
61°F 16°C
Scattered Showers
Early-Evening
60°F 16°C
Overcast
Comfortable at 61°F 16°C, scattered downpours possible, with increasing humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
64°F 18°C
Fog
Mid-Afternoon
69°F 21°C
Scattered Showers
Early-Evening
66°F 19°C
Overcast
Comfortable with temperatures reaching 69°F 21°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds turning from the ESE to the NE at 8 mph 12 km/h.
Friday, September 18, 2026
Mid-Morning
64°F 18°C
Light Fog
Mid-Afternoon
75°F 24°C
Partly Cloudy
Early-Evening
73°F 23°C
Cloudy
Enjoyable around 75°F 24°C, partly cloudy in the morning, becoming cloudy through the afternoon and evening, with steady humidity and barometric pressure falling.
Saturday, September 19, 2026
Mid-Morning
72°F 22°C
Cloudy
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
87°F 31°C
Sunny
Quite warm reaching 89°F 32°C, feeling like 93°F 34°C during peak afternoon, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds switching from the S to the SSW at 15 mph 25 km/h. Gusts up to 34 mph 55 km/h.
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