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Thebes, IL 14 Day Weather - 62990 WeatherWorld.com
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Thebes, IL Weather Forecast
Thebes, IL Weather Forecast Dated: 1005 PM Thu Sep 10 2026
Expect a very warm period 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.
Thursday, September 10, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
88°F 31°C
Scattered Showers
Early-Evening
80°F 26°C
Scattered Showers
Warm and summery around 88°F 31°C (feels like 97°F 36°C), periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the WSW to the N at 7 mph 11 km/h.
Friday, September 11, 2026
Mid-Morning
71°F 22°C
Light Showers
Mid-Afternoon
70°F 21°C
Light Showers
Early-Evening
71°F 22°C
Light Showers
Comfortable with temperatures reaching 70°F 21°C, persistent showers off and on through the day, with steady humidity and steady pressure.
Saturday, September 12, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
80°F 27°C
Scattered Showers
Very hot with a high of 90°F 32°C, feeling closer to 93°F 34°C in the humidity, locally heavy downpours at times, with lower humidity and steady pressure. Winds switching from the SSW to the SE at 6 mph 10 km/h.
Sunday, September 13, 2026
Mid-Morning
80°F 27°C
Sunny
Mid-Afternoon
98°F 36°C
Sunny
Early-Evening
90°F 32°C
Sunny
Hot temperatures near 98°F 36°C, sunny throughout the day, with lower humidity and steady pressure.
Monday, September 14, 2026
Mid-Morning
84°F 29°C
Sunny
Mid-Afternoon
100°F 38°C
Sunny
Early-Evening
94°F 34°C
Partly Cloudy
Scorching hot near 100°F 38°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds moving from the SW to the SSE at 7 mph 11 km/h.
Tuesday, September 15, 2026
Mid-Morning
85°F 29°C
Sunny
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
90°F 32°C
Overcast
Very hot with a high of 98°F 37°C, feeling closer to 101°F 38°C in the humidity, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds swinging from the SSW to the ENE at 8 mph 13 km/h.
Wednesday, September 16, 2026
Mid-Morning
82°F 28°C
Overcast
Mid-Afternoon
95°F 35°C
Sunny
Early-Evening
84°F 29°C
Overcast
Sizzling hot near 95°F 35°C with a heat index reaching 101°F 38°C, partly cloudy in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
71°F 22°C
Light Showers
Mid-Afternoon
80°F 27°C
Cloudy
Early-Evening
76°F 25°C
Overcast
Quite warm around 80°F 27°C, scattered morning showers before drying out later, with lower humidity and steady pressure. Winds shifting from the NNE to the NE at 9 mph 14 km/h.
Friday, September 18, 2026
Mid-Morning
69°F 20°C
Overcast
Mid-Afternoon
81°F 27°C
Partly Cloudy
Early-Evening
75°F 24°C
Overcast
Warm temperatures up to 81°F 27°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds NE at 8 mph 13 km/h.
Saturday, September 19, 2026
Mid-Morning
66°F 19°C
Overcast
Mid-Afternoon
74°F 24°C
Overcast
Early-Evening
70°F 22°C
Overcast
Mild with a high of 74°F 24°C, overcast throughout the day, with steady humidity and steady pressure. Winds switching from the NE to the N at 6 mph 11 km/h.
Sunday, September 20, 2026
Mid-Morning
69°F 20°C
Overcast
Mid-Afternoon
74°F 24°C
Overcast
Early-Evening
68°F 20°C
Scattered Showers
Pleasant near 74°F 24°C, scattered downpours possible, with increasing humidity and steady pressure. Winds moving from the NNE to the ENE at 8 mph 13 km/h.
Monday, September 21, 2026
Mid-Morning
67°F 19°C
Fog
Mid-Afternoon
69°F 21°C
Light Showers
Early-Evening
69°F 20°C
Scattered Showers
Comfortable with temperatures reaching 69°F 21°C, locally heavy downpours at times, with steady humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
70°F 21°C
Fog
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
76°F 25°C
Sunny
Quite warm around 83°F 28°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds swinging from the ESE to the SSE at 4 mph 6 km/h.
Wednesday, September 23, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
66°F 19°C
Sunny
Mild temperatures up to 74°F 23°C, sunny throughout the day, with lower humidity and steady pressure. Winds out of the NNW at 13 mph 22 km/h.
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