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


Thompson, IL Weather Forecast Dated: 1042 AM Wed Sep 16 2026
Expect a mild stretch with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.
Wednesday, September 16, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
67°F 20°C
Overcast
Refreshing around 65°F 18°C, overcast throughout the day, with increasing humidity and steady pressure. Winds turning from the ENE to the ESE at 6 mph 10 km/h.
Thursday, September 17, 2026
Mid-Morning
68°F 20°C
Scattered Showers
Mid-Afternoon
72°F 22°C
Scattered Showers
Early-Evening
71°F 22°C
Scattered Showers
Comfortable with temperatures reaching 72°F 22°C, scattered downpours possible, with steady humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
73°F 23°C
Partly Cloudy
Enjoyable around 77°F 25°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds switching from the E to the ESE at 14 mph 22 km/h. Gusts up to 25 mph 41 km/h.
Saturday, September 19, 2026
Mid-Morning
73°F 23°C
Scattered Showers
Mid-Afternoon
77°F 25°C
Scattered Showers
Early-Evening
74°F 23°C
Light Showers
Mild temperatures up to 77°F 25°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Sunday, September 20, 2026
Mid-Morning
62°F 17°C
Light Showers
Mid-Afternoon
62°F 17°C
Light Showers
Early-Evening
61°F 16°C
Light Showers
Refreshing around 62°F 17°C, persistent showers off and on through the day, with steady humidity and steady pressure. Winds NE at 13 mph 21 km/h. Gusts up to 25 mph 39 km/h.
Monday, September 21, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
69°F 21°C
Light Showers
Early-Evening
67°F 19°C
Cloudy
Pleasant near 69°F 21°C, dry early, with showers developing in the afternoon, with steady humidity and steady pressure. Winds swinging from the SSE to the NW at 7 mph 11 km/h.
Tuesday, September 22, 2026
Mid-Morning
63°F 17°C
Light Fog
Mid-Afternoon
68°F 20°C
Scattered Showers
Early-Evening
63°F 17°C
Scattered Showers
Comfortable with temperatures reaching 68°F 20°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds blowing from the WNW at 12 mph 20 km/h.
Wednesday, September 23, 2026
Mid-Morning
62°F 16°C
Cloudy
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
70°F 21°C
Overcast
Enjoyable around 73°F 23°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds turning from the SSE to the SSW at 8 mph 12 km/h.
Thursday, September 24, 2026
Mid-Morning
53°F 12°C
Light Showers
Mid-Afternoon
58°F 15°C
Scattered Showers
Early-Evening
56°F 14°C
Scattered Showers
Refreshing around 58°F 15°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds switching from the WNW to the NNW at 17 mph 28 km/h. Gusts up to 26 mph 42 km/h.
Friday, September 25, 2026
Mid-Morning
53°F 12°C
Light Fog
Mid-Afternoon
64°F 18°C
Sunny
Early-Evening
59°F 15°C
Sunny
Mildly cool near 64°F 18°C, sunny throughout the day, with steady humidity and steady pressure.
Saturday, September 26, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
65°F 18°C
Sunny
Pleasant near 70°F 21°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds moving from the S to the SE at 8 mph 13 km/h.
Sunday, September 27, 2026
Mid-Morning
62°F 17°C
Partly Cloudy
Mid-Afternoon
74°F 24°C
Overcast
Early-Evening
69°F 21°C
Overcast
Comfortable with temperatures reaching 74°F 24°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds swinging from the S to the SSE at 10 mph 16 km/h. Gusts up to 21 mph 34 km/h.
Monday, September 28, 2026
Mid-Morning
67°F 19°C
Partly Cloudy
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
78°F 26°C
Sunny
Quite warm around 82°F 28°C, partly cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling. Winds shifting from the S to the SSE at 10 mph 16 km/h. Gusts up to 24 mph 38 km/h.
Tuesday, September 29, 2026
Mid-Morning
70°F 21°C
Light Showers
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
64°F 17°C
Overcast
Mildly cool near 65°F 18°C, scattered morning showers before drying out later, with lower humidity and steady pressure. Winds turning from the SW to the NW at 7 mph 12 km/h.
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