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Leaf River IL Weather - Clear - 76°F
Clear
76°F
Updated 4:14 am
Feels Like 78°F
Humidity 95%
Wind SSW 3 mph
Barometer  29.93 in
Dew Point 75°F
Leaf River IL Weather - Clear - 24°C
Clear
24°C
Updated 4:14 am
Feels Like 26°C
Humidity 95%
Wind SSW 5 km/h
Barometer  101.4 kPa
Dew Point 24°C
Leaf River, IL Weather and Current Conditionsleaf river il weather forecast

Leaf River, IL Weather Forecast

Leaf River Illinois WeatherLeaf River, Illinois Weather Weather Forecast
14 Day API Leaf River, IL Weather Forecast. Note: Our 7 day Leaf River, Illinois weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
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
Leaf River Weather - 2026-09-04 - Morning - Sunny
83°F 28°C
Sunny
Mid-Afternoon
Leaf River Weather - 2026-09-04 - Afternoon - Sunny
92°F 33°C
Sunny
Early-Evening
Leaf River Weather - 2026-09-04 - Evening - Sunny
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
Leaf River Weather - 2026-09-05 - Morning - Scattered Showers
77°F 25°C
Scattered Showers
Mid-Afternoon
Leaf River Weather - 2026-09-05 - Afternoon - Sunny
85°F 30°C
Sunny
Early-Evening
Leaf River Weather - 2026-09-05 - Evening - Sunny
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
Leaf River Weather - 2026-09-06 - Morning - Sunny
69°F 21°C
Sunny
Mid-Afternoon
Leaf River Weather - 2026-09-06 - Afternoon - Overcast
78°F 26°C
Overcast
Early-Evening
Leaf River Weather - 2026-09-06 - Evening - Overcast
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
Leaf River Weather - 2026-09-07 - Morning - Overcast
64°F 18°C
Overcast
Mid-Afternoon
Leaf River Weather - 2026-09-07 - Afternoon - Overcast
72°F 22°C
Overcast
Early-Evening
Leaf River Weather - 2026-09-07 - Evening - Overcast
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
Leaf River Weather - 2026-09-08 - Morning - Sunny
67°F 19°C
Sunny
Mid-Afternoon
Leaf River Weather - 2026-09-08 - Afternoon - Overcast
81°F 27°C
Overcast
Early-Evening
Leaf River Weather - 2026-09-08 - Evening - Sunny
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
Leaf River Weather - 2026-09-09 - Morning - Scattered Showers
81°F 27°C
Scattered Showers
Mid-Afternoon
Leaf River Weather - 2026-09-09 - Afternoon - Sunny
91°F 33°C
Sunny
Early-Evening
Leaf River Weather - 2026-09-09 - Evening - Sunny
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
Leaf River Weather - 2026-09-10 - Morning - Sunny
79°F 26°C
Sunny
Mid-Afternoon
Leaf River Weather - 2026-09-10 - Afternoon - Sunny
86°F 30°C
Sunny
Early-Evening
Leaf River Weather - 2026-09-10 - Evening - Sunny
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
Leaf River Weather - 2026-09-11 - Morning - Sunny
76°F 24°C
Sunny
Mid-Afternoon
Leaf River Weather - 2026-09-11 - Afternoon - Scattered Showers
91°F 33°C
Scattered Showers
Early-Evening
Leaf River Weather - 2026-09-11 - Evening - Sunny
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
Leaf River Weather - 2026-09-12 - Morning - Sunny
82°F 28°C
Sunny
Mid-Afternoon
Leaf River Weather - 2026-09-12 - Afternoon - Sunny
90°F 32°C
Sunny
Early-Evening
Leaf River Weather - 2026-09-12 - Evening - Nearby Thunderstorms
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
Leaf River Weather - 2026-09-13 - Morning - Scattered Showers
78°F 25°C
Scattered Showers
Mid-Afternoon
Leaf River Weather - 2026-09-13 - Afternoon - Sunny
88°F 31°C
Sunny
Early-Evening
Leaf River Weather - 2026-09-13 - Evening - Scattered Showers
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
Leaf River Weather - 2026-09-14 - Morning - Sunny
62°F 17°C
Sunny
Mid-Afternoon
Leaf River Weather - 2026-09-14 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Leaf River Weather - 2026-09-14 - Evening - Sunny
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
Leaf River Weather - 2026-09-15 - Morning - Sunny
68°F 20°C
Sunny
Mid-Afternoon
Leaf River Weather - 2026-09-15 - Afternoon - Cloudy
83°F 28°C
Cloudy
Early-Evening
Leaf River Weather - 2026-09-15 - Evening - Scattered Showers
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
Leaf River Weather - 2026-09-16 - Morning - Overcast
78°F 26°C
Overcast
Mid-Afternoon
Leaf River Weather - 2026-09-16 - Afternoon - Scattered Showers
92°F 33°C
Scattered Showers
Early-Evening
Leaf River Weather - 2026-09-16 - Evening - Nearby Thunderstorms
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
Leaf River Weather - 2026-09-17 - Morning - Overcast
73°F 23°C
Overcast
Mid-Afternoon
Leaf River Weather - 2026-09-17 - Afternoon - Scattered Showers
72°F 22°C
Scattered Showers
Early-Evening
Leaf River Weather - 2026-09-17 - Evening - Scattered Showers
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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Weather by the Numbers

Fri, 4th
Leaf River IL Weather - Friday, Sep 4, 2026 - Patchy Rain Nearby
Hi: 95°F 35°C
Lo: 73°F 23°C
Sunrise 06:26 AM
Sunset 07:26 PM
Wind SW 11 mph17 km/h
Dew Point 67°F20°C
uv Index 6
Barometric Pressure 29.88 in1012 mb
POP 11% *
Humidity 57%
Sat, 5th
Leaf River IL Weather - Saturday, Sep 5, 2026 - Sunny
Hi: 85°F 30°C
Lo: 70°F 21°C
Sunrise 06:27 AM
Sunset 07:25 PM
Wind NE 7 mph12 km/h
Dew Point 69°F21°C
uv Index 7
Barometric Pressure 29.91 in1013 mb
POP 4% *
Humidity 63%
Sun, 6th
Leaf River IL Weather - Sunday, Sep 6, 2026 - Overcast
Hi: 78°F 26°C
Lo: 65°F 18°C
Sunrise 06:28 AM
Sunset 07:23 PM
Wind ESE 10 mph16 km/h
Dew Point 59°F15°C
uv Index 7
Barometric Pressure 30.06 in1018 mb
POP 12% *
Humidity 56%
Mon, 7th
Leaf River IL Weather - Monday, Sep 7, 2026 - Overcast
Hi: 73°F 23°C
Lo: 63°F 17°C
Sunrise 06:29 AM
Sunset 07:21 PM
Wind SE 9 mph14 km/h
Dew Point 56°F14°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 15% *
Humidity 63%
Tue, 8th
Leaf River IL Weather - Tuesday, Sep 8, 2026 - Overcast
Hi: 84°F 29°C
Lo: 62°F 17°C
Sunrise 06:30 AM
Sunset 07:20 PM
Wind S 13 mph21 km/h
Dew Point 62°F17°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 15% *
Humidity 61%
Wed, 9th
Leaf River IL Weather - Wednesday, Sep 9, 2026 - Patchy Rain Nearby
Hi: 92°F 33°C
Lo: 81°F 27°C
Sunrise 06:31 AM
Sunset 07:18 PM
Wind SE 6 mph10 km/h
Dew Point 63°F17°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 3% *
Humidity 48%
Thu, 10th
Leaf River IL Weather - Thursday, Sep 10, 2026 - Sunny
Hi: 86°F 30°C
Lo: 70°F 21°C
Sunrise 06:33 AM
Sunset 07:16 PM
Wind ESE 12 mph19 km/h
Dew Point 67°F20°C
uv Index 7
Barometric Pressure 30 in1016 mb
POP 3% *
Humidity 57%
Fri, 11th
Leaf River IL Weather - Friday, Sep 11, 2026 - Patchy Rain Nearby
Hi: 91°F 33°C
Lo: 68°F 20°C
Sunrise 06:34 AM
Sunset 07:14 PM
Wind S 9 mph14 km/h
Dew Point 67°F20°C
uv Index 6
Barometric Pressure 29.88 in1012 mb
POP 10% *
Humidity 55%
Sat, 12th
Leaf River IL Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 90°F 32°C
Lo: 77°F 25°C
Sunrise 06:35 AM
Sunset 07:12 PM
Wind SW 13 mph20 km/h
Dew Point 63°F17°C
uv Index 8
Barometric Pressure 29.88 in1012 mb
POP 2% *
Humidity 45%
Sun, 13th
Leaf River IL Weather - Sunday, Sep 13, 2026 - Patchy Rain Nearby
Hi: 89°F 32°C
Lo: 65°F 18°C
Sunrise 06:36 AM
Sunset 07:11 PM
Wind SSW 19 mph31 km/h
Dew Point 64°F18°C
uv Index 6
Barometric Pressure 29.77 in1008 mb
POP 3% *
Humidity 50%
Mon, 14th
Leaf River IL Weather - Monday, Sep 14, 2026 - Sunny
Hi: 74°F 23°C
Lo: 56°F 13°C
Sunrise 06:37 AM
Sunset 07:09 PM
Wind W 7 mph11 km/h
Dew Point 49°F9°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 2% *
Humidity 48%
Tue, 15th
Leaf River IL Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 83°F 29°C
Lo: 60°F 16°C
Sunrise 06:38 AM
Sunset 07:07 PM
Wind SSW 19 mph31 km/h
Dew Point 64°F18°C
uv Index 7
Barometric Pressure 29.94 in1014 mb
POP 7% *
Humidity 63%
Wed, 16th
Leaf River IL Weather - Wednesday, Sep 16, 2026 - Patchy Rain Nearby
Hi: 93°F 34°C
Lo: 76°F 24°C
Sunrise 06:39 AM
Sunset 07:05 PM
Wind SSW 19 mph30 km/h
Dew Point 66°F19°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 17% *
Humidity 53%
Thu, 17th
Leaf River IL Weather - Thursday, Sep 17, 2026 - Overcast
Hi: 76°F 25°C
Lo: 62°F 16°C
Sunrise 06:40 AM
Sunset 07:04 PM
Wind W 11 mph18 km/h
Dew Point 66°F19°C
uv Index 5
Barometric Pressure 30.09 in1019 mb
POP 23% *
Humidity 80%
* POP = Probability of Precipitation. Data for 12:00 PM.