Thomson, IL 14 Day Weather - 61285 WeatherWorld.com
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Thomson, IL Weather Forecast


Thomson, IL Weather Forecast Dated: 339 PM Thu Sep 03 2026
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Thursday, September 3, 2026
Mid-Morning
81°F 27°C
Partly Cloudy
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
89°F 32°C
Sunny
Sizzling hot near 99°F 37°C with a heat index reaching 110°F 43°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the SSW to the SSE at 9 mph 14 km/h.
Friday, September 4, 2026
Mid-Morning
77°F 25°C
Light Showers
Mid-Afternoon
91°F 33°C
Nearby Thunderstorms
Early-Evening
84°F 29°C
Nearby Thunderstorms
Hot and sweltering around 91°F 33°C (heat index 98°F 37°C), scattered downpours possible, with steady humidity and steady pressure. Winds switching from the SE to the N at 6 mph 10 km/h.
Saturday, September 5, 2026
Mid-Morning
74°F 23°C
Sunny
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
79°F 26°C
Sunny
Very warm near 86°F 30°C, though humidity makes it feel like 91°F 33°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the NE to the E at 9 mph 14 km/h.
Sunday, September 6, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
80°F 26°C
Partly Cloudy
Early-Evening
73°F 23°C
Overcast
Warm temperatures up to 80°F 26°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds out of the ESE at 9 mph 14 km/h.
Monday, September 7, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
76°F 24°C
Sunny
Early-Evening
72°F 22°C
Overcast
Mild with a high of 76°F 24°C, sunny through the afternoon, turning overcast this evening, with steady humidity and steady pressure. Winds blowing from the ESE at 12 mph 19 km/h.
Tuesday, September 8, 2026
Mid-Morning
69°F 20°C
Overcast
Mid-Afternoon
83°F 28°C
Overcast
Early-Evening
83°F 28°C
Sunny
Warm and summery near 83°F 28°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds turning from the SE to the SSE at 14 mph 23 km/h. Gusts up to 34 mph 55 km/h.
Wednesday, September 9, 2026
Mid-Morning
76°F 25°C
Overcast
Mid-Afternoon
84°F 29°C
Cloudy
Early-Evening
77°F 25°C
Overcast
Balmy with temperatures reaching 84°F 29°C, partly cloudy in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds easing from NW 13 mph 20 km/h to NNW 5 mph 7 km/h.
Thursday, September 10, 2026
Mid-Morning
73°F 23°C
Scattered Showers
Mid-Afternoon
80°F 27°C
Scattered Showers
Early-Evening
77°F 25°C
Cloudy
Quite warm around 80°F 27°C, scattered downpours possible, with steady humidity and steady pressure. Winds moving from the ESE to the E at 8 mph 13 km/h.
Friday, September 11, 2026
Mid-Morning
69°F 21°C
Scattered Showers
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
74°F 23°C
Sunny
Mild temperatures up to 78°F 26°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds swinging from the ESE to the E at 15 mph 24 km/h. Gusts up to 28 mph 45 km/h.
Saturday, September 12, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
92°F 33°C
Sunny
Early-Evening
87°F 31°C
Sunny
Sizzling hot near 92°F 33°C with a heat index reaching 98°F 37°C, sunny through the afternoon, turning overcast this evening, with lower humidity and steady pressure. Winds shifting from the SE to the SSE at 9 mph 15 km/h.
Sunday, September 13, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
95°F 35°C
Sunny
Early-Evening
84°F 29°C
Partly Cloudy
Hot and sweltering around 95°F 35°C (heat index 98°F 36°C), sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds turning from the SW to the S at 7 mph 11 km/h.
Monday, September 14, 2026
Mid-Morning
72°F 22°C
Light Showers
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
71°F 22°C
Light Showers
Comfortable with temperatures reaching 73°F 23°C, passing showers during morning and evening, with a dry break midday, with steady humidity and steady pressure. Winds switching from the SSW to the W at 8 mph 13 km/h.
Tuesday, September 15, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
62°F 17°C
Overcast
Enjoyable around 68°F 20°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds moving from the WNW to the NNW at 9 mph 14 km/h.
Wednesday, September 16, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
67°F 19°C
Sunny
Early-Evening
62°F 17°C
Partly Cloudy
Mildly cool near 67°F 19°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds swinging from the NNW to the SE at 6 mph 9 km/h.
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