Barnhill, IL 14 Day Weather - 62809 WeatherWorld.com
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Barnhill, IL Weather Forecast


Barnhill, IL Weather Forecast Dated: 431 PM Wed Sep 16 2026
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Wednesday, September 16, 2026
Mid-Morning
79°F 26°C
Scattered Showers
Mid-Afternoon
97°F 36°C
Cloudy
Early-Evening
88°F 31°C
Sunny
Sizzling hot near 97°F 36°C with a heat index reaching 101°F 38°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds turning from the SW to the NNW at 7 mph 10 km/h.
Thursday, September 17, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
91°F 33°C
Sunny
Hot and sweltering around 98°F 37°C (heat index 101°F 38°C), partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
80°F 27°C
Rain Showers
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
90°F 32°C
Sunny
Very hot with a high of 99°F 37°C, feeling closer to 102°F 39°C in the humidity, morning showers, giving way to clearing skies, with lower humidity and barometric pressure falling.
Saturday, September 19, 2026
Mid-Morning
84°F 29°C
Sunny
Mid-Afternoon
96°F 36°C
Overcast
Early-Evening
85°F 30°C
Overcast
Hot temperatures near 96°F 36°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds switching from the SSW to the ESE at 8 mph 13 km/h.
Sunday, September 20, 2026
Mid-Morning
83°F 29°C
Overcast
Mid-Afternoon
100°F 38°C
Sunny
Early-Evening
91°F 33°C
Sunny
Scorching hot near 100°F 38°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds moving from the WSW to the NW at 8 mph 13 km/h.
Monday, September 21, 2026
Mid-Morning
76°F 24°C
Overcast
Mid-Afternoon
87°F 30°C
Scattered Showers
Early-Evening
73°F 23°C
Light Showers
Warm and summery near 87°F 30°C, locally heavy downpours at times, with increasing humidity and steady pressure. Winds swinging from the SE to the SSE at 9 mph 15 km/h.
Tuesday, September 22, 2026
Mid-Morning
72°F 22°C
Fog
Mid-Afternoon
84°F 29°C
Overcast
Early-Evening
78°F 26°C
Sunny
Balmy with temperatures reaching 84°F 29°C, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds shifting from the W to the ESE at 7 mph 11 km/h.
Wednesday, September 23, 2026
Mid-Morning
74°F 23°C
Sunny
Mid-Afternoon
86°F 30°C
Overcast
Early-Evening
81°F 27°C
Partly Cloudy
Quite warm around 86°F 30°C, cloudy through the afternoon, turning overcast this evening, with steady humidity and barometric pressure falling. Winds turning from the SE to the SSE at 9 mph 14 km/h.
Thursday, September 24, 2026
Mid-Morning
68°F 20°C
Scattered Showers
Mid-Afternoon
73°F 23°C
Scattered Showers
Early-Evening
66°F 19°C
Sunny
Mild temperatures up to 73°F 23°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds switching from the WNW to the NNW at 12 mph 19 km/h. Gusts up to 24 mph 38 km/h.
Friday, September 25, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
68°F 20°C
Sunny
Mild with a high of 74°F 23°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the NNW to the NE at 6 mph 10 km/h.
Saturday, September 26, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
70°F 22°C
Sunny
Pleasant near 77°F 25°C, sunny throughout the day, with lower humidity and steady pressure. Winds swinging from the E to the ESE at 5 mph 8 km/h.
Sunday, September 27, 2026
Mid-Morning
67°F 20°C
Sunny
Mid-Afternoon
85°F 29°C
Sunny
Early-Evening
78°F 26°C
Sunny
Balmy with temperatures reaching 85°F 29°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the SE to the ESE at 8 mph 13 km/h.
Monday, September 28, 2026
Mid-Morning
76°F 24°C
Sunny
Mid-Afternoon
88°F 31°C
Partly Cloudy
Early-Evening
84°F 29°C
Overcast
Quite warm around 88°F 31°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds turning from the SSE to the SE at 9 mph 14 km/h. Gusts up to 20 mph 31 km/h.
Tuesday, September 29, 2026
Mid-Morning
78°F 26°C
Overcast
Mid-Afternoon
85°F 29°C
Overcast
Early-Evening
74°F 23°C
Light Showers
Quite warm reaching 85°F 29°C, feeling like 88°F 31°C during peak afternoon, mainly dry until evening showers arrive, with increasing humidity and steady pressure. Winds switching from the S to the SE at 9 mph 14 km/h.
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