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Preemption, IL Weather Forecast


Preemption, IL Weather Forecast Dated: 836 PM Thu Sep 03 2026
Expect a very warm period with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.
Thursday, September 3, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
89°F 32°C
Sunny
Sizzling hot near 99°F 37°C with a heat index reaching 115°F 46°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds turning from the SSW to the SSE at 13 mph 22 km/h. Gusts up to 25 mph 39 km/h.
Friday, September 4, 2026
Mid-Morning
82°F 28°C
Scattered Showers
Mid-Afternoon
99°F 37°C
Nearby Thunderstorms
Early-Evening
89°F 32°C
Overcast
Hot and sweltering around 99°F 37°C (heat index 103°F 39°C), scattered downpours possible, with steady humidity and steady pressure. Winds switching from the WNW to the W at 6 mph 9 km/h.
Saturday, September 5, 2026
Mid-Morning
78°F 25°C
Sunny
Mid-Afternoon
93°F 34°C
Sunny
Early-Evening
85°F 30°C
Sunny
Very hot with a high of 93°F 34°C, feeling closer to 96°F 36°C in the humidity, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the NE to the ENE at 9 mph 14 km/h.
Sunday, September 6, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
85°F 29°C
Overcast
Early-Evening
77°F 25°C
Sunny
Warm temperatures up to 85°F 29°C, sunny in the morning, overcast in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds out of the E at 12 mph 19 km/h.
Monday, September 7, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
83°F 29°C
Partly Cloudy
Early-Evening
77°F 25°C
Overcast
Very warm with a high of 83°F 29°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds shifting from the SE to the ESE at 12 mph 19 km/h.
Tuesday, September 8, 2026
Mid-Morning
74°F 23°C
Overcast
Mid-Afternoon
92°F 34°C
Partly Cloudy
Early-Evening
91°F 33°C
Sunny
Very hot with temperatures reaching 92°F 34°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds S at 15 mph 24 km/h. Gusts up to 33 mph 53 km/h.
Wednesday, September 9, 2026
Mid-Morning
78°F 26°C
Scattered Showers
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
82°F 28°C
Sunny
Hot and sweltering around 90°F 32°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds switching from the NW to the NNE at 7 mph 12 km/h.
Thursday, September 10, 2026
Mid-Morning
74°F 24°C
Cloudy
Mid-Afternoon
87°F 31°C
Overcast
Early-Evening
82°F 28°C
Overcast
Quite warm around 87°F 31°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds moving from the ESE to the E at 11 mph 18 km/h. Gusts up to 20 mph 33 km/h.
Friday, September 11, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
83°F 28°C
Sunny
Hot temperatures near 91°F 33°C, sunny throughout the day, with steady humidity and steady pressure. Winds E at 13 mph 21 km/h. Gusts up to 26 mph 41 km/h.
Saturday, September 12, 2026
Mid-Morning
85°F 29°C
Sunny
Mid-Afternoon
102°F 39°C
Sunny
Early-Evening
94°F 34°C
Sunny
Sweltering heat reaching 102°F 39°C, sunny through the afternoon, turning overcast this evening, with lower humidity and steady pressure. Winds out of the S at 11 mph 18 km/h.
Sunday, September 13, 2026
Mid-Morning
84°F 29°C
Partly Cloudy
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
85°F 30°C
Partly Cloudy
Very hot with temperatures reaching 97°F 36°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds turning from the SW to the SSW at 16 mph 26 km/h. Gusts up to 27 mph 44 km/h.
Monday, September 14, 2026
Mid-Morning
74°F 24°C
Light Showers
Mid-Afternoon
76°F 24°C
Scattered Showers
Early-Evening
74°F 23°C
Scattered Showers
Comfortable with temperatures reaching 76°F 24°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds switching from the SSW to the WNW at 10 mph 17 km/h. Gusts up to 23 mph 37 km/h.
Tuesday, September 15, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
66°F 19°C
Sunny
Enjoyable around 72°F 22°C, sunny throughout the day, with increasing humidity and steady pressure. Winds moving from the WNW to the NNW at 9 mph 14 km/h.
Wednesday, September 16, 2026
Mid-Morning
58°F 15°C
Sunny
Mid-Afternoon
70°F 21°C
Overcast
Early-Evening
66°F 19°C
Overcast
Mild temperatures up to 70°F 21°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds swinging from the NNW to the ESE at 4 mph 7 km/h.
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