Ellison, IL 14 Day Weather - WeatherWorld.com
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Ellison, IL Weather Forecast


Ellison, IL Weather Forecast Dated: 1243 AM Thu Sep 03 2026 (Ellison Time)
Expect a hot stretch with plenty of sunshine and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.
Thursday, September 3, 2026
Mid-Morning
83°F 28°C
Partly Cloudy
Mid-Afternoon
92°F 33°C
Nearby Thunderstorms
Early-Evening
89°F 32°C
Sunny
Sizzling hot near 92°F 33°C with a heat index reaching 98°F 37°C, periods of heavy thunderstorms, with lower humidity and steady pressure. Winds turning from the SW to the SSE at 11 mph 17 km/h. Gusts up to 21 mph 33 km/h.
Friday, September 4, 2026
Mid-Morning
81°F 27°C
Scattered Showers
Mid-Afternoon
96°F 36°C
Overcast
Early-Evening
90°F 33°C
Nearby Thunderstorms
Hot and sweltering around 96°F 36°C (heat index 100°F 38°C), scattered downpours possible, with steady humidity and steady pressure. Winds switching from the WSW to the SSE at 7 mph 11 km/h.
Saturday, September 5, 2026
Mid-Morning
83°F 28°C
Partly Cloudy
Mid-Afternoon
96°F 35°C
Sunny
Early-Evening
89°F 32°C
Overcast
Very hot with a high of 96°F 35°C, feeling closer to 99°F 37°C in the humidity, partly cloudy in the morning, sunny in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds moving from the WNW to the ENE at 8 mph 14 km/h.
Sunday, September 6, 2026
Mid-Morning
74°F 23°C
Scattered Showers
Mid-Afternoon
85°F 29°C
Overcast
Early-Evening
77°F 25°C
Partly Cloudy
Warm and summery around 85°F 29°C (feels like 88°F 31°C), periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds swinging from the E to the ESE at 12 mph 20 km/h. Gusts up to 23 mph 37 km/h.
Monday, September 7, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
84°F 29°C
Sunny
Early-Evening
81°F 27°C
Sunny
Very warm with a high of 84°F 29°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling. Winds shifting from the SE to the ESE at 13 mph 21 km/h. Gusts up to 27 mph 43 km/h.
Tuesday, September 8, 2026
Mid-Morning
81°F 27°C
Cloudy
Mid-Afternoon
96°F 36°C
Overcast
Early-Evening
90°F 32°C
Sunny
Very hot with a high of 96°F 36°C, feeling closer to 100°F 38°C in the humidity, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds turning from the S to the SE at 11 mph 17 km/h. Gusts up to 21 mph 34 km/h.
Wednesday, September 9, 2026
Mid-Morning
86°F 30°C
Partly Cloudy
Mid-Afternoon
96°F 35°C
Sunny
Early-Evening
88°F 31°C
Sunny
Sizzling hot near 96°F 35°C with a heat index reaching 99°F 37°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the WSW to the SSE at 7 mph 11 km/h.
Thursday, September 10, 2026
Mid-Morning
74°F 23°C
Sunny
Mid-Afternoon
85°F 30°C
Sunny
Early-Evening
83°F 28°C
Sunny
Quite warm reaching 85°F 30°C, feeling like 89°F 32°C during peak afternoon, sunny through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds moving from the ENE to the ESE at 12 mph 20 km/h. Gusts up to 23 mph 37 km/h.
Friday, September 11, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
96°F 36°C
Sunny
Early-Evening
94°F 34°C
Cloudy
Very hot with a high of 96°F 36°C, feeling closer to 100°F 38°C in the humidity, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds swinging from the SSW to the S at 14 mph 22 km/h. Gusts up to 29 mph 46 km/h.
Saturday, September 12, 2026
Mid-Morning
83°F 28°C
Sunny
Mid-Afternoon
96°F 35°C
Overcast
Early-Evening
95°F 35°C
Overcast
Sizzling hot near 96°F 35°C with a heat index reaching 99°F 37°C, cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds out of the SSW at 16 mph 26 km/h. Gusts up to 30 mph 48 km/h.
Sunday, September 13, 2026
Mid-Morning
87°F 30°C
Sunny
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
88°F 31°C
Partly Cloudy
Very hot with temperatures reaching 99°F 37°C, partly cloudy through the afternoon, turning sunny this evening, with steady humidity and steady pressure. Winds turning from the SW to the SSE at 10 mph 15 km/h.
Monday, September 14, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
84°F 29°C
Sunny
Hot and sweltering around 91°F 33°C, sunny throughout the day, with steady humidity and steady pressure.
Tuesday, September 15, 2026
Mid-Morning
79°F 26°C
Sunny
Mid-Afternoon
95°F 35°C
Sunny
Early-Evening
89°F 32°C
Cloudy
Sizzling hot near 95°F 35°C with a heat index reaching 98°F 37°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds switching from the SSW to the E at 8 mph 13 km/h.
Wednesday, September 16, 2026
Mid-Morning
78°F 26°C
Sunny
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
81°F 27°C
Overcast
Warm temperatures up to 89°F 32°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with increasing humidity and steady pressure. Winds moving from the E to the ENE at 11 mph 17 km/h. Gusts up to 22 mph 36 km/h.
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