Smithboro, IL 14 Day Weather - 62284 WeatherWorld.com
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Smithboro, IL Weather Forecast


Smithboro, IL Weather Forecast Dated: 541 PM Thu Sep 03 2026
Expect a hot stretch with plenty of sunshine and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Thursday, September 3, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
100°F 38°C
Sunny
Early-Evening
90°F 32°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 SSE at 8 mph 13 km/h.
Friday, September 4, 2026
Mid-Morning
84°F 29°C
Sunny
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
92°F 34°C
Sunny
Hot and sweltering around 98°F 37°C (heat index 102°F 39°C), sunny throughout the day, with lower humidity and steady pressure. Winds switching from the WSW to the SSW at 7 mph 12 km/h.
Saturday, September 5, 2026
Mid-Morning
83°F 28°C
Scattered Showers
Mid-Afternoon
96°F 36°C
Sunny
Early-Evening
89°F 32°C
Sunny
Very hot with a high of 96°F 36°C, feeling closer to 101°F 38°C in the humidity, locally heavy downpours at times, with steady humidity and steady pressure. Winds moving from the NW to the ENE at 8 mph 14 km/h.
Sunday, September 6, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
80°F 27°C
Sunny
Hot temperatures near 90°F 32°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds out of the NE at 13 mph 20 km/h. Gusts up to 22 mph 35 km/h.
Monday, September 7, 2026
Mid-Morning
69°F 20°C
Sunny
Mid-Afternoon
87°F 31°C
Sunny
Early-Evening
79°F 26°C
Partly Cloudy
Very warm with a high of 87°F 31°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds blowing from the NE at 9 mph 14 km/h.
Tuesday, September 8, 2026
Mid-Morning
76°F 24°C
Sunny
Mid-Afternoon
95°F 35°C
Sunny
Early-Evening
91°F 33°C
Sunny
Very hot with temperatures reaching 95°F 35°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds SSW at 8 mph 13 km/h.
Wednesday, September 9, 2026
Mid-Morning
88°F 31°C
Sunny
Mid-Afternoon
104°F 40°C
Sunny
Early-Evening
91°F 33°C
Sunny
Dangerously hot temperatures around 104°F 40°C, sunny throughout the day, 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
85°F 29°C
Sunny
Mid-Afternoon
103°F 40°C
Sunny
Early-Evening
97°F 36°C
Sunny
Dangerously hot with a high of 103°F 40°C, partly cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds moving from the WSW to the ESE at 9 mph 14 km/h.
Friday, September 11, 2026
Mid-Morning
90°F 32°C
Sunny
Mid-Afternoon
104°F 40°C
Sunny
Early-Evening
95°F 35°C
Partly Cloudy
Scorching hot near 104°F 40°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds swinging from the WSW to the SSE at 9 mph 14 km/h.
Saturday, September 12, 2026
Mid-Morning
90°F 32°C
Sunny
Mid-Afternoon
104°F 40°C
Sunny
Early-Evening
96°F 36°C
Partly Cloudy
Sweltering heat reaching 104°F 40°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds out of the SW at 14 mph 22 km/h.
Sunday, September 13, 2026
Mid-Morning
89°F 32°C
Overcast
Mid-Afternoon
100°F 38°C
Sunny
Early-Evening
83°F 29°C
Scattered Showers
Dangerously hot temperatures around 100°F 38°C, scattered downpours possible, with increasing humidity and steady pressure. Winds turning from the WSW to the ESE at 13 mph 20 km/h. Gusts up to 22 mph 36 km/h.
Monday, September 14, 2026
Mid-Morning
81°F 27°C
Light Showers
Mid-Afternoon
99°F 37°C
Overcast
Early-Evening
82°F 28°C
Overcast
Hot and sweltering around 99°F 37°C, morning showers, giving way to clearing skies, with steady humidity and barometric pressure falling. Winds switching from the SSW to the S at 10 mph 15 km/h. Gusts up to 20 mph 32 km/h.
Tuesday, September 15, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
71°F 22°C
Sunny
Quite warm around 81°F 27°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the WNW to the N at 8 mph 13 km/h.
Wednesday, September 16, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
71°F 22°C
Sunny
Mild temperatures up to 79°F 26°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the NNW to the NE at 8 mph 13 km/h.
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