Fillmore, IL 14 Day Weather - 62011 WeatherWorld.com
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Fillmore, IL Weather Forecast


Fillmore, IL Weather Forecast Dated: 501 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
85°F 29°C
Sunny
Mid-Afternoon
100°F 38°C
Sunny
Early-Evening
91°F 33°C
Sunny
Scorching heat reaching 100°F 38°C, feeling like 105°F 41°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds turning from the SW to the S at 9 mph 15 km/h.
Friday, September 4, 2026
Mid-Morning
87°F 31°C
Sunny
Mid-Afternoon
100°F 38°C
Partly Cloudy
Early-Evening
94°F 34°C
Sunny
Sweltering temperatures near 100°F 38°C with a heat index of 103°F 39°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds switching from the WSW to the ESE at 6 mph 9 km/h.
Saturday, September 5, 2026
Mid-Morning
84°F 29°C
Scattered Showers
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
88°F 31°C
Sunny
Very hot with a high of 98°F 37°C, feeling closer to 103°F 39°C in the humidity, locally heavy downpours at times, with increasing humidity and steady pressure. Winds moving from the WNW to the NE at 11 mph 17 km/h.
Sunday, September 6, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
87°F 31°C
Sunny
Early-Evening
77°F 25°C
Sunny
Warm temperatures up to 87°F 31°C, sunny throughout the day, with lower humidity and steady pressure. Winds out of the ENE at 14 mph 22 km/h. Gusts up to 20 mph 33 km/h.
Monday, September 7, 2026
Mid-Morning
69°F 20°C
Sunny
Mid-Afternoon
84°F 29°C
Partly Cloudy
Early-Evening
76°F 25°C
Sunny
Very warm with a high of 84°F 29°C, sunny in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the E to the ENE at 9 mph 15 km/h.
Tuesday, September 8, 2026
Mid-Morning
75°F 24°C
Sunny
Mid-Afternoon
96°F 35°C
Sunny
Early-Evening
90°F 33°C
Sunny
Very hot with temperatures reaching 96°F 35°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds SSE at 9 mph 14 km/h.
Wednesday, September 9, 2026
Mid-Morning
90°F 32°C
Sunny
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
88°F 31°C
Sunny
Hot and sweltering around 98°F 37°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds switching from the SW to the NE at 11 mph 18 km/h. Gusts up to 20 mph 32 km/h.
Thursday, September 10, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
102°F 39°C
Partly Cloudy
Early-Evening
92°F 33°C
Sunny
Dangerously hot with a high of 102°F 39°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling. Winds moving from the E to the SE at 9 mph 14 km/h.
Friday, September 11, 2026
Mid-Morning
90°F 32°C
Sunny
Mid-Afternoon
103°F 40°C
Scattered Showers
Early-Evening
90°F 33°C
Scattered Showers
Scorching hot near 103°F 40°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds swinging from the W to the SE at 10 mph 16 km/h. Gusts up to 20 mph 31 km/h.
Saturday, September 12, 2026
Mid-Morning
89°F 31°C
Sunny
Mid-Afternoon
105°F 41°C
Sunny
Early-Evening
97°F 36°C
Sunny
Sweltering heat reaching 105°F 41°C, sunny throughout the day, with lower humidity and steady pressure. Winds shifting from the SSW to the SW at 10 mph 16 km/h.
Sunday, September 13, 2026
Mid-Morning
90°F 32°C
Sunny
Mid-Afternoon
102°F 39°C
Sunny
Early-Evening
84°F 29°C
Cloudy
Dangerously hot temperatures around 102°F 39°C, sunny in the morning, becoming cloudy through the afternoon and evening, with increasing humidity and steady pressure. Winds turning from the WSW to the NW at 8 mph 12 km/h.
Monday, September 14, 2026
Mid-Morning
80°F 27°C
Light Showers
Mid-Afternoon
99°F 37°C
Partly Cloudy
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 WNW at 17 mph 27 km/h. Gusts up to 29 mph 46 km/h.
Tuesday, September 15, 2026
Mid-Morning
69°F 20°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 10 mph 15 km/h.
Wednesday, September 16, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
80°F 26°C
Sunny
Early-Evening
71°F 22°C
Sunny
Warm temperatures up to 80°F 26°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds swinging from the NNW to the NNE at 8 mph 13 km/h.
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