Big Spring, IL 14 Day Weather - WeatherWorld.com
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Big Spring, IL Weather Forecast


Big Spring, IL Weather Forecast Dated: 1138 AM Wed Sep 02 2026 (Big Spring Time)
Expect a hot stretch 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. Isolated storms at times.
Wednesday, September 2, 2026
Mid-Morning
84°F 29°C
Sunny
Mid-Afternoon
100°F 38°C
Sunny
Early-Evening
93°F 34°C
Sunny
Scorching heat reaching 100°F 38°C, feeling like 107°F 42°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds turning from the SW to the S at 10 mph 16 km/h. Gusts up to 21 mph 34 km/h.
Thursday, September 3, 2026
Mid-Morning
87°F 30°C
Sunny
Mid-Afternoon
98°F 37°C
Overcast
Early-Evening
92°F 33°C
Sunny
Hot and sweltering around 98°F 37°C, sunny in the morning, overcast in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds switching from the WSW to the S at 10 mph 16 km/h.
Friday, September 4, 2026
Mid-Morning
87°F 31°C
Sunny
Mid-Afternoon
102°F 39°C
Overcast
Early-Evening
92°F 33°C
Cloudy
Dangerously hot temperatures around 102°F 39°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the W to the NE at 9 mph 14 km/h.
Saturday, September 5, 2026
Mid-Morning
87°F 31°C
Sunny
Mid-Afternoon
100°F 38°C
Nearby Thunderstorms
Early-Evening
82°F 27°C
Scattered Showers
Dangerously hot with a high of 100°F 38°C, periods of heavy thunderstorms, with increasing humidity and steady pressure. A stray shower or storm late in the day. Winds swinging from the W to the SSE at 9 mph 15 km/h.
Sunday, September 6, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
88°F 31°C
Sunny
Early-Evening
82°F 28°C
Cloudy
Quite warm reaching 88°F 31°C, feeling like 94°F 34°C during peak afternoon, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds shifting from the ESE to the ENE at 9 mph 14 km/h.
Monday, September 7, 2026
Mid-Morning
78°F 26°C
Overcast
Mid-Afternoon
94°F 34°C
Sunny
Early-Evening
86°F 31°C
Cloudy
Very hot with a high of 94°F 34°C, feeling closer to 97°F 36°C in the humidity, cloudy in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds turning from the SSE to the SE at 9 mph 14 km/h.
Tuesday, September 8, 2026
Mid-Morning
78°F 26°C
Light Showers
Mid-Afternoon
90°F 32°C
Cloudy
Early-Evening
72°F 23°C
Overcast
Sizzling hot near 90°F 32°C with a heat index reaching 95°F 35°C, early showers breaking for a drier afternoon, with steady humidity and steady pressure. Winds picking up from WSW at 6 mph 10 km/h to NNE at 16 mph 25 km/h. Gusts up to 24 mph 39 km/h.
Wednesday, September 9, 2026
Mid-Morning
67°F 20°C
Sunny
Mid-Afternoon
87°F 31°C
Sunny
Early-Evening
86°F 30°C
Partly Cloudy
Quite warm around 87°F 31°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds moving from the E to the SE at 10 mph 16 km/h. Gusts up to 20 mph 32 km/h.
Thursday, September 10, 2026
Mid-Morning
93°F 34°C
Sunny
Mid-Afternoon
106°F 41°C
Sunny
Early-Evening
101°F 38°C
Sunny
Scorching hot near 106°F 41°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds SW at 21 mph 35 km/h. Gusts up to 32 mph 51 km/h.
Friday, September 11, 2026
Mid-Morning
79°F 26°C
Rain Showers
Mid-Afternoon
86°F 30°C
Overcast
Early-Evening
79°F 27°C
Sunny
Very warm with a high of 86°F 30°C, early showers breaking for a drier afternoon, with steady humidity and steady pressure. Winds shifting from the NNE to the NE at 9 mph 14 km/h.
Saturday, September 12, 2026
Mid-Morning
65°F 18°C
Light Showers
Mid-Afternoon
80°F 27°C
Overcast
Early-Evening
77°F 25°C
Sunny
Quite warm reaching 80°F 27°C, feeling like 83°F 28°C during peak afternoon, scattered morning showers before drying out later, with lower humidity and steady pressure. Winds turning from the S to the E at 9 mph 14 km/h.
Sunday, September 13, 2026
Mid-Morning
76°F 25°C
Sunny
Mid-Afternoon
90°F 32°C
Partly Cloudy
Early-Evening
86°F 30°C
Overcast
Very hot with a high of 90°F 32°C, feeling closer to 94°F 34°C in the humidity, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds SW at 7 mph 11 km/h.
Monday, September 14, 2026
Mid-Morning
85°F 30°C
Sunny
Mid-Afternoon
102°F 39°C
Sunny
Early-Evening
93°F 34°C
Sunny
Scorching hot near 102°F 39°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds moving from the SW to the SE at 7 mph 10 km/h.
Tuesday, September 15, 2026
Mid-Morning
77°F 25°C
Partly Cloudy
Mid-Afternoon
94°F 35°C
Sunny
Early-Evening
86°F 30°C
Sunny
Hot and sweltering around 94°F 35°C (heat index 99°F 37°C), partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds blowing from the ENE at 5 mph 9 km/h.
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