Thomas, IL 14 Day Weather - WeatherWorld.com
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Thomas, IL Weather Forecast


Thomas, IL Weather Forecast Dated: 317 AM Fri Sep 04 2026
Expect a very warm period with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.
Friday, September 4, 2026
Mid-Morning
84°F 29°C
Sunny
Mid-Afternoon
94°F 34°C
Sunny
Early-Evening
89°F 32°C
Sunny
Sizzling hot near 94°F 34°C with a heat index reaching 104°F 40°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds turning from the N to the S at 8 mph 13 km/h.
Saturday, September 5, 2026
Mid-Morning
78°F 26°C
Scattered Showers
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
80°F 27°C
Sunny
Quite warm reaching 89°F 32°C, feeling like 95°F 35°C during peak afternoon, scattered downpours possible, with steady humidity and steady pressure. Winds building from WSW at 3 mph 5 km/h to ENE at 11 mph 18 km/h.
Sunday, September 6, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
78°F 26°C
Overcast
Early-Evening
72°F 22°C
Sunny
Enjoyable around 78°F 26°C, sunny in the morning, overcast in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds moving from the E to the ENE at 10 mph 16 km/h. Gusts up to 21 mph 33 km/h.
Monday, September 7, 2026
Mid-Morning
67°F 20°C
Overcast
Mid-Afternoon
71°F 22°C
Overcast
Early-Evening
71°F 22°C
Overcast
Mild temperatures up to 71°F 22°C, overcast throughout the day, with steady humidity and steady pressure. Winds swinging from the SE to the ESE at 9 mph 14 km/h.
Tuesday, September 8, 2026
Mid-Morning
69°F 21°C
Overcast
Mid-Afternoon
83°F 28°C
Cloudy
Early-Evening
87°F 31°C
Sunny
Very warm with a high of 83°F 28°C, overcast in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds shifting from the SE to the SSE at 14 mph 23 km/h. Gusts up to 31 mph 49 km/h.
Wednesday, September 9, 2026
Mid-Morning
85°F 29°C
Overcast
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
87°F 31°C
Sunny
Very hot with a high of 97°F 36°C, feeling closer to 102°F 39°C in the humidity, overcast in the morning, sunny in the afternoon, and overcast this evening, with increasing humidity and steady pressure. Winds turning from the WSW to the SSE at 10 mph 16 km/h.
Thursday, September 10, 2026
Mid-Morning
78°F 26°C
Partly Cloudy
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
82°F 28°C
Sunny
Sizzling hot near 90°F 32°C with a heat index reaching 96°F 35°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds switching from the ENE to the E at 11 mph 18 km/h. Gusts up to 21 mph 33 km/h.
Friday, September 11, 2026
Mid-Morning
79°F 26°C
Sunny
Mid-Afternoon
94°F 34°C
Sunny
Early-Evening
89°F 32°C
Sunny
Hot and sweltering around 94°F 34°C (heat index 99°F 37°C), cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds moving from the S to the SSE at 7 mph 11 km/h.
Saturday, September 12, 2026
Mid-Morning
83°F 28°C
Overcast
Mid-Afternoon
92°F 33°C
Partly Cloudy
Early-Evening
84°F 29°C
Overcast
Very hot with a high of 92°F 33°C, feeling closer to 96°F 36°C in the humidity, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds decreasing from SW 12 mph 19 km/h to SSE 4 mph 7 km/h.
Sunday, September 13, 2026
Mid-Morning
80°F 27°C
Light Showers
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
73°F 23°C
Scattered Showers
Sizzling hot near 91°F 33°C with a heat index reaching 94°F 34°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds shifting from the SSW to the SW at 18 mph 30 km/h. Gusts up to 38 mph 61 km/h.
Monday, September 14, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
76°F 25°C
Sunny
Early-Evening
70°F 21°C
Sunny
Pleasant near 76°F 25°C, sunny throughout the day, with lower humidity and steady pressure.
Tuesday, September 15, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
88°F 31°C
Cloudy
Early-Evening
85°F 30°C
Sunny
Very warm near 88°F 31°C, though humidity makes it feel like 92°F 33°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds blowing from the SSW at 17 mph 27 km/h. Gusts up to 32 mph 52 km/h.
Wednesday, September 16, 2026
Mid-Morning
81°F 27°C
Cloudy
Mid-Afternoon
94°F 34°C
Scattered Showers
Early-Evening
87°F 31°C
Scattered Showers
Sizzling hot near 94°F 34°C with a heat index reaching 98°F 37°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds SSW at 15 mph 23 km/h. Gusts up to 28 mph 46 km/h.
Thursday, September 17, 2026
Mid-Morning
73°F 23°C
Overcast
Mid-Afternoon
74°F 23°C
Scattered Showers
Early-Evening
67°F 20°C
Scattered Showers
Mild temperatures up to 74°F 23°C, scattered downpours possible, with steady humidity and steady pressure. Winds moving from the WSW to the NNW at 8 mph 13 km/h.
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