Leaf River, IL 14 Day Weather - 61047 WeatherWorld.com
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Leaf River, IL Weather Forecast


Leaf River, IL Weather Forecast Dated: 414 AM Fri Sep 04 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.
Friday, September 4, 2026
Mid-Morning
83°F 28°C
Sunny
Mid-Afternoon
92°F 33°C
Sunny
Early-Evening
88°F 31°C
Sunny
Sizzling hot near 92°F 33°C with a heat index reaching 98°F 37°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the E to the SSE at 6 mph 10 km/h.
Saturday, September 5, 2026
Mid-Morning
77°F 25°C
Scattered Showers
Mid-Afternoon
85°F 30°C
Sunny
Early-Evening
76°F 25°C
Sunny
Quite warm reaching 85°F 30°C, feeling like 90°F 32°C during peak afternoon, scattered downpours possible, with steady humidity and steady pressure. Winds building from N at 4 mph 6 km/h to ENE at 13 mph 21 km/h. Gusts up to 21 mph 33 km/h.
Sunday, September 6, 2026
Mid-Morning
69°F 21°C
Sunny
Mid-Afternoon
78°F 26°C
Overcast
Early-Evening
70°F 21°C
Overcast
Enjoyable around 78°F 26°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds moving from the ESE to the ENE at 11 mph 18 km/h. Gusts up to 21 mph 33 km/h.
Monday, September 7, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
72°F 22°C
Overcast
Early-Evening
69°F 21°C
Overcast
Mild temperatures up to 72°F 22°C, overcast throughout the day, with lower humidity and steady pressure. Winds swinging from the SE to the E at 8 mph 12 km/h.
Tuesday, September 8, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
81°F 27°C
Overcast
Early-Evening
82°F 28°C
Sunny
Very warm with a high of 81°F 27°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and barometric pressure falling. Winds blowing from the S at 15 mph 23 km/h. Gusts up to 32 mph 51 km/h.
Wednesday, September 9, 2026
Mid-Morning
81°F 27°C
Scattered Showers
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
85°F 30°C
Sunny
Very hot with temperatures reaching 91°F 33°C, locally heavy downpours at times, with increasing humidity and steady pressure.
Thursday, September 10, 2026
Mid-Morning
79°F 26°C
Sunny
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
76°F 25°C
Sunny
Warm and summery around 86°F 30°C (feels like 91°F 33°C), sunny throughout the day, with steady humidity and steady pressure. Winds SE at 12 mph 20 km/h. Gusts up to 21 mph 35 km/h.
Friday, September 11, 2026
Mid-Morning
76°F 24°C
Sunny
Mid-Afternoon
91°F 33°C
Scattered Showers
Early-Evening
88°F 31°C
Sunny
Hot and sweltering around 91°F 33°C (heat index 95°F 35°C), scattered downpours possible, with lower humidity and steady pressure. Winds switching from the SSE to the SE at 10 mph 15 km/h.
Saturday, September 12, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
83°F 28°C
Nearby Thunderstorms
Very hot with a high of 90°F 32°C, feeling closer to 93°F 34°C in the humidity, heavy thunderstorms conditions at times, with increasing humidity and steady pressure. Winds moving from the SSW to the ESE at 8 mph 12 km/h.
Sunday, September 13, 2026
Mid-Morning
78°F 25°C
Scattered Showers
Mid-Afternoon
88°F 31°C
Sunny
Early-Evening
71°F 22°C
Scattered Showers
Very warm with a high of 88°F 31°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds swinging from the SSW to the SW at 14 mph 22 km/h. Gusts up to 35 mph 56 km/h.
Monday, September 14, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
69°F 21°C
Sunny
Pleasant near 73°F 23°C, sunny throughout the day, with steady humidity and steady pressure.
Tuesday, September 15, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
83°F 28°C
Cloudy
Early-Evening
83°F 29°C
Scattered Showers
Balmy with temperatures reaching 83°F 28°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds out of the SSW at 17 mph 28 km/h. Gusts up to 31 mph 50 km/h.
Wednesday, September 16, 2026
Mid-Morning
78°F 26°C
Overcast
Mid-Afternoon
92°F 33°C
Scattered Showers
Early-Evening
84°F 29°C
Nearby Thunderstorms
Sizzling hot near 92°F 33°C with a heat index reaching 96°F 35°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds tapering down from S 15 mph 24 km/h to S 7 mph 12 km/h.
Thursday, September 17, 2026
Mid-Morning
73°F 23°C
Overcast
Mid-Afternoon
72°F 22°C
Scattered Showers
Early-Evening
66°F 19°C
Scattered Showers
Mild temperatures up to 72°F 22°C, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the SW to the NNW at 9 mph 15 km/h.
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