Effingham, IL 14 Day Weather - 62401 WeatherWorld.com
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Effingham, IL Weather Forecast


Effingham, IL Weather Forecast Dated: 317 AM Thu Sep 03 2026 (Effingham Time)
Expect a hot stretch with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.
Thursday, September 3, 2026
Mid-Morning
88°F 31°C
Scattered Showers
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
90°F 33°C
Sunny
Sizzling hot near 98°F 37°C with a heat index reaching 101°F 38°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the WSW to the SSE at 7 mph 11 km/h.
Friday, September 4, 2026
Mid-Morning
85°F 29°C
Sunny
Mid-Afternoon
100°F 38°C
Sunny
Early-Evening
89°F 31°C
Scattered Showers
Sweltering heat reaching 100°F 38°C, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the WSW to the E at 8 mph 13 km/h.
Saturday, September 5, 2026
Mid-Morning
81°F 27°C
Overcast
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
74°F 24°C
Heavy Rain
Very hot with a high of 98°F 37°C, feeling closer to 102°F 39°C in the humidity, dry most of the day, with showers developing late, with increasing humidity and steady pressure. Winds increasing from the NE at 3 mph 5 km/h to S at 14 mph 22 km/h. Gusts up to 21 mph 33 km/h.
Sunday, September 6, 2026
Mid-Morning
73°F 23°C
Overcast
Mid-Afternoon
89°F 31°C
Sunny
Early-Evening
79°F 26°C
Sunny
Warm and summery around 89°F 31°C (feels like 92°F 33°C), overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds swinging from the SE to the NE at 9 mph 14 km/h.
Monday, September 7, 2026
Mid-Morning
69°F 20°C
Sunny
Mid-Afternoon
92°F 33°C
Cloudy
Early-Evening
85°F 30°C
Sunny
Hot and sweltering around 92°F 33°C (heat index 95°F 35°C), sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the ESE to the E at 6 mph 10 km/h.
Tuesday, September 8, 2026
Mid-Morning
84°F 29°C
Overcast
Mid-Afternoon
97°F 36°C
Overcast
Early-Evening
92°F 34°C
Overcast
Very hot with a high of 97°F 36°C, feeling closer to 100°F 38°C in the humidity, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds turning from the SSW to the SSE at 13 mph 21 km/h. Gusts up to 26 mph 42 km/h.
Wednesday, September 9, 2026
Mid-Morning
85°F 30°C
Sunny
Mid-Afternoon
94°F 35°C
Cloudy
Early-Evening
83°F 29°C
Sunny
Sizzling hot near 94°F 35°C with a heat index reaching 97°F 36°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds switching from the SW to the NE at 9 mph 15 km/h.
Thursday, September 10, 2026
Mid-Morning
71°F 21°C
Cloudy
Mid-Afternoon
83°F 28°C
Partly Cloudy
Early-Evening
75°F 24°C
Cloudy
Quite warm around 83°F 28°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds moving from the NNE to the NE at 9 mph 14 km/h.
Friday, September 11, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
87°F 31°C
Sunny
Early-Evening
79°F 26°C
Sunny
Warm temperatures up to 87°F 31°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds E at 6 mph 9 km/h. Gusts up to 20 mph 33 km/h.
Saturday, September 12, 2026
Mid-Morning
78°F 26°C
Sunny
Mid-Afternoon
95°F 35°C
Sunny
Early-Evening
90°F 32°C
Overcast
Sizzling hot near 95°F 35°C with a heat index reaching 98°F 37°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and barometric pressure falling. Winds out of the S at 12 mph 19 km/h. Gusts up to 25 mph 41 km/h.
Sunday, September 13, 2026
Mid-Morning
85°F 30°C
Overcast
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
87°F 30°C
Overcast
Hot and sweltering around 99°F 37°C (heat index 102°F 39°C), cloudy through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds turning from the SSW to the WSW at 11 mph 17 km/h. Gusts up to 22 mph 34 km/h.
Monday, September 14, 2026
Mid-Morning
83°F 28°C
Sunny
Mid-Afternoon
103°F 40°C
Sunny
Early-Evening
88°F 31°C
Overcast
Dangerously hot with a high of 103°F 40°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds switching from the SW to the SE at 6 mph 10 km/h.
Tuesday, September 15, 2026
Mid-Morning
72°F 22°C
Partly Cloudy
Mid-Afternoon
85°F 30°C
Sunny
Early-Evening
76°F 25°C
Partly Cloudy
Quite warm around 85°F 30°C, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds out of the NNE at 9 mph 14 km/h.
Wednesday, September 16, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
71°F 22°C
Partly Cloudy
Warm temperatures up to 82°F 28°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds blowing from the NNE at 12 mph 19 km/h. Gusts up to 21 mph 34 km/h.
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