Union Church, IL 14 Day Weather
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Union Church, IL Weather Forecast


Union Church, IL Weather Forecast Dated: 929 AM Thu Sep 10 2026
Expect a very warm period with a mix of sun and clouds and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate.
Thursday, September 10, 2026
Mid-Morning
76°F 25°C
Overcast
Mid-Afternoon
93°F 34°C
Partly Cloudy
Early-Evening
80°F 27°C
Light Showers
Sizzling hot near 93°F 34°C with a heat index reaching 97°F 36°C, drier conditions through late afternoon before showers move in, with lower humidity and steady pressure. Winds turning from the SSW to the N at 6 mph 10 km/h.
Friday, September 11, 2026
Mid-Morning
70°F 21°C
Overcast
Mid-Afternoon
85°F 30°C
Scattered Showers
Early-Evening
79°F 26°C
Scattered Showers
Quite warm reaching 85°F 30°C, feeling like 88°F 31°C during peak afternoon, scattered downpours possible, with lower humidity and steady pressure.
Saturday, September 12, 2026
Mid-Morning
76°F 24°C
Sunny
Mid-Afternoon
88°F 31°C
Sunny
Early-Evening
80°F 26°C
Sunny
Quite warm around 88°F 31°C, sunny throughout the day, with steady humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
88°F 31°C
Cloudy
Early-Evening
87°F 30°C
Sunny
Warm and summery around 88°F 31°C (feels like 93°F 34°C), sunny in the morning, overcast in the afternoon, and sunny this evening, with lower humidity and steady pressure.
Monday, September 14, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
87°F 31°C
Scattered Showers
Hot and sweltering around 91°F 33°C (heat index 95°F 35°C), scattered downpours possible, with steady humidity and steady pressure. Winds switching from the SSW to the SSE at 8 mph 13 km/h.
Tuesday, September 15, 2026
Mid-Morning
82°F 28°C
Scattered Showers
Mid-Afternoon
92°F 34°C
Cloudy
Early-Evening
80°F 26°C
Sunny
Very hot with a high of 92°F 34°C, feeling closer to 97°F 36°C in the humidity, locally heavy downpours at times, with increasing humidity and steady pressure. Winds moving from the SW to the WNW at 8 mph 12 km/h.
Wednesday, September 16, 2026
Mid-Morning
78°F 26°C
Partly Cloudy
Mid-Afternoon
94°F 35°C
Scattered Showers
Early-Evening
86°F 30°C
Sunny
Sizzling hot near 94°F 35°C with a heat index reaching 97°F 36°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
83°F 29°C
Sunny
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
89°F 32°C
Partly Cloudy
Hot and sweltering around 97°F 36°C (heat index 101°F 38°C), sunny in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and barometric pressure falling. Winds swinging from the SSW to the ENE at 8 mph 13 km/h.
Friday, September 18, 2026
Mid-Morning
64°F 18°C
Light Showers
Mid-Afternoon
69°F 20°C
Scattered Showers
Early-Evening
66°F 19°C
Overcast
Mild temperatures up to 69°F 20°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds blowing from the NNE at 11 mph 18 km/h. Gusts up to 20 mph 32 km/h.
Saturday, September 19, 2026
Mid-Morning
58°F 14°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
64°F 17°C
Sunny
Mild with a high of 72°F 22°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the NNE to the NE at 8 mph 12 km/h.
Sunday, September 20, 2026
Mid-Morning
58°F 15°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
65°F 19°C
Partly Cloudy
Pleasant near 75°F 24°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds out of the E at 8 mph 13 km/h.
Monday, September 21, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
84°F 29°C
Sunny
Early-Evening
77°F 25°C
Sunny
Balmy with temperatures reaching 84°F 29°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling. Winds moving from the S to the SSE at 13 mph 21 km/h. Gusts up to 28 mph 45 km/h.
Tuesday, September 22, 2026
Mid-Morning
71°F 22°C
Overcast
Mid-Afternoon
86°F 30°C
Overcast
Early-Evening
67°F 20°C
Overcast
Quite warm around 86°F 30°C, cloudy in the morning, becoming overcast through the afternoon and evening, with increasing humidity and steady pressure. Winds swinging from the SSW to the SW at 7 mph 12 km/h.
Wednesday, September 23, 2026
Mid-Morning
62°F 17°C
Light Fog
Mid-Afternoon
74°F 24°C
Sunny
Early-Evening
66°F 19°C
Sunny
Mild temperatures up to 74°F 24°C, sunny throughout the day, with lower humidity and steady pressure. Winds shifting from the NNW to the ESE at 8 mph 13 km/h.
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