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


Barnes, IL Weather Forecast Dated: 433 PM Wed Sep 02 2026 (Barnes Time)
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.
Wednesday, September 2, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
87°F 31°C
Sunny
Sizzling hot near 97°F 36°C with a heat index reaching 109°F 43°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the SW to the SSE at 8 mph 12 km/h.
Thursday, September 3, 2026
Mid-Morning
83°F 28°C
Sunny
Mid-Afternoon
92°F 34°C
Sunny
Early-Evening
91°F 32°C
Sunny
Hot and sweltering around 92°F 34°C (heat index 99°F 37°C), sunny throughout the day, with lower humidity and steady pressure. Winds switching from the SW to the S at 6 mph 10 km/h.
Friday, September 4, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
90°F 32°C
Nearby Thunderstorms
Early-Evening
87°F 31°C
Sunny
Very hot with a high of 90°F 32°C, feeling closer to 96°F 35°C in the humidity, heavy thunderstorms conditions at times, with steady humidity and steady pressure. Winds moving from the SW to the SSE at 4 mph 6 km/h.
Saturday, September 5, 2026
Mid-Morning
82°F 28°C
Scattered Showers
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
86°F 30°C
Sunny
Sizzling hot near 91°F 33°C with a heat index reaching 98°F 37°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds swinging from the WNW to the NE at 8 mph 12 km/h.
Sunday, September 6, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
73°F 23°C
Sunny
Mild with a high of 79°F 26°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the E to the ESE at 11 mph 17 km/h. Gusts up to 20 mph 33 km/h.
Monday, September 7, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
78°F 25°C
Overcast
Early-Evening
76°F 25°C
Overcast
Pleasant near 78°F 25°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds turning from the SE to the ESE at 11 mph 16 km/h. Gusts up to 21 mph 34 km/h.
Tuesday, September 8, 2026
Mid-Morning
78°F 25°C
Scattered Showers
Mid-Afternoon
94°F 35°C
Partly Cloudy
Early-Evening
88°F 31°C
Nearby Thunderstorms
Sizzling hot near 94°F 35°C with a heat index reaching 101°F 39°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds switching from the SSW to the SSE at 10 mph 16 km/h. Gusts up to 20 mph 31 km/h.
Wednesday, September 9, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
87°F 30°C
Cloudy
Early-Evening
82°F 28°C
Overcast
Quite warm reaching 87°F 30°C, feeling like 92°F 33°C during peak afternoon, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the SW to the SSW at 12 mph 18 km/h. Gusts up to 28 mph 45 km/h.
Thursday, September 10, 2026
Mid-Morning
75°F 24°C
Light Showers
Mid-Afternoon
81°F 27°C
Overcast
Early-Evening
80°F 27°C
Overcast
Very warm near 81°F 27°C, though humidity makes it feel like 84°F 29°C, morning showers, giving way to clearing skies, with steady humidity and steady pressure.
Friday, September 11, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
82°F 28°C
Partly Cloudy
Early-Evening
80°F 27°C
Cloudy
Warm and summery around 82°F 28°C (feels like 85°F 29°C), partly cloudy in the morning, cloudy in the afternoon, and partly cloudy this evening, with increasing humidity and steady pressure. Winds ESE at 9 mph 15 km/h. Gusts up to 22 mph 36 km/h.
Saturday, September 12, 2026
Mid-Morning
80°F 27°C
Sunny
Mid-Afternoon
93°F 34°C
Sunny
Early-Evening
88°F 31°C
Sunny
Hot and sweltering around 93°F 34°C (heat index 96°F 35°C), sunny throughout the day, with lower humidity and steady pressure. Winds shifting from the SSW to the SW at 10 mph 15 km/h.
Sunday, September 13, 2026
Mid-Morning
76°F 24°C
Overcast
Mid-Afternoon
74°F 24°C
Scattered Showers
Early-Evening
72°F 22°C
Scattered Showers
Comfortable with temperatures reaching 74°F 24°C, locally heavy downpours at times, with increasing humidity and steady pressure. Winds turning from the SW to the W at 9 mph 15 km/h. Gusts up to 21 mph 33 km/h.
Monday, September 14, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
64°F 18°C
Light Showers
Early-Evening
61°F 16°C
Light Showers
Refreshing around 64°F 18°C, drier morning followed by showers lasting through evening, with steady humidity and steady pressure. Winds switching from the SE to the E at 9 mph 14 km/h.
Tuesday, September 15, 2026
Mid-Morning
65°F 18°C
Light Fog
Mid-Afternoon
74°F 24°C
Overcast
Early-Evening
70°F 21°C
Overcast
Mild temperatures up to 74°F 24°C, overcast through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure.
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