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Triumph, IL Weather Forecast


Triumph, IL Weather Forecast Dated: 445 PM Wed Sep 02 2026 (Triumph Time)
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.
Wednesday, September 2, 2026
Mid-Morning
80°F 27°C
Overcast
Mid-Afternoon
98°F 36°C
Sunny
Early-Evening
86°F 30°C
Sunny
Sizzling hot near 98°F 36°C with a heat index reaching 105°F 41°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the SW to the SSE at 7 mph 11 km/h.
Thursday, September 3, 2026
Mid-Morning
77°F 25°C
Cloudy
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
83°F 28°C
Nearby Thunderstorms
Quite warm reaching 89°F 32°C, feeling like 98°F 37°C during peak afternoon, locally heavy thunderstorms at times, with steady humidity and steady pressure. Winds switching from the SSW to the NW at 6 mph 9 km/h.
Friday, September 4, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
88°F 31°C
Sunny
Early-Evening
85°F 30°C
Sunny
Very warm near 88°F 31°C, though humidity makes it feel like 97°F 36°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the WNW to the SSW at 6 mph 9 km/h.
Saturday, September 5, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
81°F 27°C
Sunny
Warm and summery around 89°F 32°C (feels like 97°F 36°C), sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the WSW to the NE at 8 mph 14 km/h.
Sunday, September 6, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
78°F 25°C
Cloudy
Early-Evening
74°F 23°C
Sunny
Mild with a high of 78°F 25°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds blowing from the ESE at 12 mph 19 km/h.
Monday, September 7, 2026
Mid-Morning
66°F 19°C
Overcast
Mid-Afternoon
76°F 25°C
Overcast
Early-Evening
74°F 23°C
Overcast
Pleasant near 76°F 25°C, overcast throughout the day, with steady humidity and steady pressure. Winds turning from the ESE to the SE at 8 mph 13 km/h.
Tuesday, September 8, 2026
Mid-Morning
74°F 24°C
Scattered Showers
Mid-Afternoon
91°F 33°C
Nearby Thunderstorms
Early-Evening
87°F 31°C
Nearby Thunderstorms
Sizzling hot near 91°F 33°C with a heat index reaching 101°F 39°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds switching from the S to the SSE at 10 mph 16 km/h.
Wednesday, September 9, 2026
Mid-Morning
77°F 25°C
Partly Cloudy
Mid-Afternoon
87°F 31°C
Cloudy
Early-Evening
84°F 29°C
Nearby Thunderstorms
Quite warm reaching 87°F 31°C, feeling like 95°F 35°C during peak afternoon, locally heavy thunderstorms at times, with steady humidity and steady pressure.
Thursday, September 10, 2026
Mid-Morning
74°F 23°C
Overcast
Mid-Afternoon
79°F 26°C
Overcast
Early-Evening
76°F 25°C
Scattered Showers
Mild temperatures up to 79°F 26°C, locally heavy downpours at times, with steady humidity and steady pressure.
Friday, September 11, 2026
Mid-Morning
66°F 19°C
Partly Cloudy
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
77°F 25°C
Scattered Showers
Mild with a high of 79°F 26°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds moving from the ESE to the SE at 10 mph 15 km/h. Gusts up to 20 mph 32 km/h.
Saturday, September 12, 2026
Mid-Morning
78°F 26°C
Overcast
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
86°F 30°C
Sunny
Hot and sweltering around 90°F 32°C (heat index 96°F 36°C), partly cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds SSW at 10 mph 17 km/h.
Sunday, September 13, 2026
Mid-Morning
74°F 23°C
Scattered Showers
Mid-Afternoon
73°F 23°C
Light Showers
Early-Evening
71°F 22°C
Light Showers
Comfortable with temperatures reaching 73°F 23°C, locally heavy downpours at times, with increasing humidity and steady pressure. Winds shifting from the SW to the NW at 7 mph 11 km/h.
Monday, September 14, 2026
Mid-Morning
65°F 19°C
Overcast
Mid-Afternoon
66°F 19°C
Overcast
Early-Evening
63°F 18°C
Scattered Showers
Refreshing around 66°F 19°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Tuesday, September 15, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
76°F 25°C
Sunny
Early-Evening
71°F 22°C
Sunny
Mild temperatures up to 76°F 25°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
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