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Patterson, IL Weather Forecast
Patterson, IL Weather Forecast Dated: 648 AM Sat Sep 05 2026
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. Isolated storms at times.
Saturday, September 5, 2026
Mid-Morning
87°F 31°C
Sunny
Mid-Afternoon
103°F 40°C
Nearby Thunderstorms
Early-Evening
92°F 34°C
Sunny
Scorching heat reaching 103°F 40°C, feeling like 106°F 41°C, periods of heavy thunderstorms, with lower humidity and steady pressure. Winds turning from the WNW to the ENE at 11 mph 17 km/h. Gusts up to 22 mph 35 km/h.
Sunday, September 6, 2026
Mid-Morning
75°F 24°C
Overcast
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
79°F 26°C
Overcast
Hot and sweltering around 91°F 33°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds switching from the E to the ENE at 13 mph 21 km/h. Gusts up to 20 mph 32 km/h.
Monday, September 7, 2026
Mid-Morning
71°F 21°C
Sunny
Mid-Afternoon
89°F 32°C
Overcast
Early-Evening
79°F 27°C
Sunny
Quite warm around 89°F 32°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds moving from the ESE to the E at 10 mph 16 km/h. Gusts up to 23 mph 36 km/h.
Tuesday, September 8, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
99°F 37°C
Partly Cloudy
Early-Evening
92°F 33°C
Sunny
Hot temperatures near 99°F 37°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds out of the S at 10 mph 16 km/h. Gusts up to 20 mph 31 km/h.
Wednesday, September 9, 2026
Mid-Morning
86°F 30°C
Scattered Showers
Mid-Afternoon
96°F 35°C
Scattered Showers
Early-Evening
88°F 32°C
Partly Cloudy
Very hot with a high of 96°F 35°C, scattered downpours possible, with steady humidity and steady pressure. Winds shifting from the W to the NE at 11 mph 17 km/h.
Thursday, September 10, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
94°F 34°C
Overcast
Early-Evening
85°F 30°C
Overcast
Very hot with temperatures reaching 94°F 34°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds NE at 8 mph 13 km/h. Gusts up to 20 mph 33 km/h.
Friday, September 11, 2026
Mid-Morning
72°F 22°C
Scattered Showers
Mid-Afternoon
101°F 38°C
Partly Cloudy
Early-Evening
97°F 36°C
Overcast
Dangerously hot temperatures around 101°F 38°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling. Winds switching from the SE to the SW at 11 mph 17 km/h. Gusts up to 20 mph 32 km/h.
Saturday, September 12, 2026
Mid-Morning
76°F 24°C
Partly Cloudy
Mid-Afternoon
92°F 33°C
Sunny
Early-Evening
82°F 28°C
Sunny
Sizzling hot with 92°F 33°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the NNE to the ENE at 15 mph 23 km/h. Gusts up to 26 mph 41 km/h.
Sunday, September 13, 2026
Mid-Morning
74°F 23°C
Sunny
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
93°F 34°C
Sunny
Hot temperatures near 97°F 36°C, sunny throughout the day, with lower humidity and steady pressure. Winds swinging from the SE to the ESE at 11 mph 18 km/h. Gusts up to 23 mph 37 km/h.
Monday, September 14, 2026
Mid-Morning
88°F 31°C
Sunny
Mid-Afternoon
107°F 41°C
Sunny
Early-Evening
93°F 34°C
Overcast
Sweltering heat reaching 107°F 41°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds shifting from the SW to the SSE at 4 mph 7 km/h.
Tuesday, September 15, 2026
Mid-Morning
85°F 29°C
Overcast
Mid-Afternoon
102°F 39°C
Scattered Showers
Early-Evening
81°F 27°C
Light Showers
Dangerously hot temperatures around 102°F 39°C, scattered downpours possible, with increasing humidity and steady pressure. Winds turning from the SW to the E at 11 mph 16 km/h.
Wednesday, September 16, 2026
Mid-Morning
82°F 28°C
Overcast
Mid-Afternoon
101°F 38°C
Sunny
Early-Evening
87°F 31°C
Nearby Thunderstorms
Dangerously hot with a high of 101°F 38°C, heavy thunderstorms conditions at times, with steady humidity and steady pressure. Winds switching from the SSW to the NW at 13 mph 21 km/h. Gusts up to 22 mph 35 km/h.
Thursday, September 17, 2026
Mid-Morning
80°F 27°C
Light Showers
Mid-Afternoon
97°F 36°C
Cloudy
Early-Evening
86°F 30°C
Cloudy
Sizzling hot near 97°F 36°C with a heat index reaching 100°F 38°C, early showers breaking for a drier afternoon, with lower humidity and barometric pressure falling. Winds moving from the S to the SW at 13 mph 21 km/h. Gusts up to 27 mph 44 km/h.
Friday, September 18, 2026
Mid-Morning
80°F 27°C
Sunny
Mid-Afternoon
94°F 35°C
Sunny
Early-Evening
86°F 30°C
Partly Cloudy
Hot and sweltering around 94°F 35°C (heat index 98°F 36°C), sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds swinging from the E to the ENE at 11 mph 17 km/h. Gusts up to 22 mph 36 km/h.
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