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Buffalo, IL Weather Forecast


Buffalo, IL Weather Forecast Dated: 604 PM Thu Sep 03 2026
Expect a hot stretch with plenty of sunshine and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Thursday, September 3, 2026
Mid-Morning
85°F 30°C
Sunny
Mid-Afternoon
102°F 39°C
Sunny
Early-Evening
90°F 33°C
Sunny
Scorching heat reaching 102°F 39°C, feeling like 111°F 44°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the SW to the SSE at 9 mph 13 km/h.
Friday, September 4, 2026
Mid-Morning
83°F 28°C
Partly Cloudy
Mid-Afternoon
101°F 38°C
Partly Cloudy
Early-Evening
93°F 34°C
Overcast
Sweltering temperatures near 101°F 38°C with a heat index of 104°F 40°C, cloudy in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure.
Saturday, September 5, 2026
Mid-Morning
81°F 27°C
Scattered Showers
Mid-Afternoon
96°F 36°C
Sunny
Early-Evening
86°F 30°C
Sunny
Very hot with a high of 96°F 36°C, feeling closer to 101°F 38°C in the humidity, locally heavy downpours at times, with steady humidity and steady pressure. Winds switching from the NNW to the ENE at 9 mph 14 km/h.
Sunday, September 6, 2026
Mid-Morning
76°F 25°C
Sunny
Mid-Afternoon
85°F 30°C
Sunny
Early-Evening
76°F 25°C
Sunny
Warm temperatures up to 85°F 30°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the ENE to the E at 12 mph 20 km/h. Gusts up to 21 mph 33 km/h.
Monday, September 7, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
83°F 29°C
Sunny
Early-Evening
76°F 25°C
Overcast
Very warm with a high of 83°F 29°C, sunny through the afternoon, turning overcast this evening, with steady humidity and steady pressure. Winds out of the ENE at 10 mph 15 km/h.
Tuesday, September 8, 2026
Mid-Morning
74°F 24°C
Sunny
Mid-Afternoon
93°F 34°C
Sunny
Early-Evening
90°F 32°C
Partly Cloudy
Very hot with temperatures reaching 93°F 34°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds blowing from the S at 10 mph 16 km/h.
Wednesday, September 9, 2026
Mid-Morning
89°F 32°C
Overcast
Mid-Afternoon
98°F 37°C
Overcast
Early-Evening
85°F 30°C
Overcast
Sizzling hot near 98°F 37°C with a heat index reaching 101°F 38°C, partly cloudy in the morning, overcast in the afternoon, and cloudy this evening, with increasing humidity and steady pressure. Winds turning from the WSW to the NE at 9 mph 14 km/h.
Thursday, September 10, 2026
Mid-Morning
80°F 27°C
Partly Cloudy
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
90°F 32°C
Sunny
Sizzling hot with 99°F 37°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling. Winds switching from the ESE to the E at 8 mph 13 km/h.
Friday, September 11, 2026
Mid-Morning
89°F 32°C
Scattered Showers
Mid-Afternoon
104°F 40°C
Partly Cloudy
Early-Evening
92°F 33°C
Sunny
Scorching hot near 104°F 40°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds moving from the WSW to the SE at 12 mph 19 km/h. Gusts up to 24 mph 38 km/h.
Saturday, September 12, 2026
Mid-Morning
89°F 32°C
Sunny
Mid-Afternoon
104°F 40°C
Sunny
Early-Evening
98°F 36°C
Sunny
Sweltering heat reaching 104°F 40°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds swinging from the SSW to the SW at 10 mph 16 km/h.
Sunday, September 13, 2026
Mid-Morning
88°F 31°C
Overcast
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
86°F 30°C
Scattered Showers
Very hot with temperatures reaching 98°F 37°C, scattered downpours possible, with increasing humidity and steady pressure. Winds shifting from the SW to the SSW at 8 mph 13 km/h.
Monday, September 14, 2026
Mid-Morning
84°F 29°C
Scattered Showers
Mid-Afternoon
91°F 33°C
Cloudy
Early-Evening
81°F 28°C
Scattered Showers
Very hot with a high of 91°F 33°C, feeling closer to 95°F 35°C in the humidity, locally heavy downpours at times, with steady humidity and barometric pressure falling. Winds turning from the SSW to the WNW at 12 mph 19 km/h. Gusts up to 23 mph 37 km/h.
Tuesday, September 15, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
70°F 21°C
Sunny
Enjoyable around 79°F 26°C, sunny throughout the day, with lower humidity and steady pressure. Winds switching from the WNW to the NNW at 9 mph 15 km/h.
Wednesday, September 16, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
76°F 24°C
Sunny
Early-Evening
71°F 21°C
Sunny
Mild temperatures up to 76°F 24°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds moving from the NNW to the NE at 6 mph 10 km/h.
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