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Fayette, IL 14 Day Weather - WeatherWorld.com
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Fayette, IL Weather Forecast
Fayette, IL Weather Forecast Dated: 613 PM Wed Sep 02 2026 (Fayette Time)
Expect a hot stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Wednesday, September 2, 2026
Mid-Morning
85°F 30°C
Sunny
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
91°F 33°C
Sunny
Sizzling hot near 99°F 37°C with a heat index reaching 104°F 40°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds turning from the SW to the SE at 5 mph 8 km/h.
Thursday, September 3, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
92°F 33°C
Overcast
Hot and sweltering around 98°F 37°C (heat index 101°F 38°C), sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds switching from the SW to the SSE at 7 mph 11 km/h.
Friday, September 4, 2026
Mid-Morning
83°F 29°C
Sunny
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
93°F 34°C
Sunny
Very hot with a high of 98°F 37°C, feeling closer to 102°F 39°C in the humidity, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the WSW to the SSE at 7 mph 11 km/h.
Saturday, September 5, 2026
Mid-Morning
84°F 29°C
Partly Cloudy
Mid-Afternoon
91°F 33°C
Cloudy
Early-Evening
80°F 27°C
Light Rain
Sizzling hot near 91°F 33°C with a heat index reaching 98°F 36°C, drier conditions through late afternoon before showers move in, with increasing humidity and steady pressure. Winds picking up from W at 6 mph 10 km/h to SSW at 17 mph 27 km/h. Gusts up to 24 mph 39 km/h.
Sunday, September 6, 2026
Mid-Morning
78°F 25°C
Partly Cloudy
Mid-Afternoon
92°F 33°C
Sunny
Early-Evening
84°F 29°C
Sunny
Hot and sweltering around 92°F 33°C (heat index 98°F 36°C), partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds shifting from the ENE to the E at 10 mph 17 km/h.
Monday, September 7, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
88°F 31°C
Overcast
Early-Evening
85°F 29°C
Partly Cloudy
Very warm near 88°F 31°C, though humidity makes it feel like 91°F 33°C, cloudy throughout the day, with lower humidity and steady pressure. Winds SE at 7 mph 12 km/h.
Tuesday, September 8, 2026
Mid-Morning
83°F 29°C
Sunny
Mid-Afternoon
101°F 39°C
Sunny
Early-Evening
96°F 36°C
Cloudy
Scorching heat reaching 101°F 39°C, feeling like 104°F 40°C, partly cloudy in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds out of the SSW at 11 mph 18 km/h. Gusts up to 24 mph 39 km/h.
Wednesday, September 9, 2026
Mid-Morning
87°F 30°C
Sunny
Mid-Afternoon
101°F 38°C
Partly Cloudy
Early-Evening
91°F 33°C
Partly Cloudy
Sweltering temperatures near 101°F 38°C with a heat index of 104°F 40°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds moving from the SW to the WSW at 7 mph 11 km/h.
Thursday, September 10, 2026
Mid-Morning
85°F 30°C
Scattered Showers
Mid-Afternoon
98°F 36°C
Overcast
Early-Evening
87°F 31°C
Overcast
Hot temperatures near 98°F 36°C, locally heavy downpours at times, with steady humidity and steady pressure.
Friday, September 11, 2026
Mid-Morning
80°F 26°C
Overcast
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
91°F 33°C
Sunny
Sizzling hot near 98°F 37°C with a heat index reaching 102°F 39°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling.
Saturday, September 12, 2026
Mid-Morning
85°F 30°C
Sunny
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
92°F 33°C
Sunny
Very hot with temperatures reaching 99°F 37°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds swinging from the SW to the WSW at 11 mph 17 km/h. Gusts up to 21 mph 33 km/h.
Sunday, September 13, 2026
Mid-Morning
78°F 26°C
Light Showers
Mid-Afternoon
78°F 25°C
Overcast
Early-Evening
78°F 26°C
Scattered Showers
Comfortable with temperatures reaching 78°F 25°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds shifting from the SW to the ENE at 5 mph 9 km/h.
Monday, September 14, 2026
Mid-Morning
72°F 22°C
Light Showers
Mid-Afternoon
75°F 24°C
Scattered Showers
Early-Evening
72°F 22°C
Light Showers
Enjoyable around 75°F 24°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure.
Tuesday, September 15, 2026
Mid-Morning
68°F 20°C
Fog
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
72°F 22°C
Overcast
Mild temperatures up to 75°F 24°C, overcast throughout the day, with lower humidity and steady pressure.
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