Harmon, IL 14 Day Weather - 61042 WeatherWorld.com
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Harmon, IL Weather Forecast


Harmon, IL Weather Forecast Dated: 746 PM Thu Sep 03 2026
Expect a very warm period with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.
Thursday, September 3, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
88°F 31°C
Sunny
Sizzling hot near 97°F 36°C with a heat index reaching 110°F 43°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the SSW to the SE at 8 mph 13 km/h. Gusts up to 20 mph 32 km/h.
Friday, September 4, 2026
Mid-Morning
77°F 25°C
Overcast
Mid-Afternoon
92°F 33°C
Sunny
Early-Evening
88°F 31°C
Nearby Thunderstorms
Hot and sweltering around 92°F 33°C (heat index 100°F 38°C), locally heavy thunderstorms at times, with steady humidity and steady pressure. Winds switching from the ENE to the NW at 7 mph 10 km/h.
Saturday, September 5, 2026
Mid-Morning
74°F 23°C
Sunny
Mid-Afternoon
85°F 30°C
Sunny
Early-Evening
80°F 27°C
Sunny
Very warm near 85°F 30°C, though humidity makes it feel like 91°F 33°C, sunny throughout the day, with steady humidity and steady pressure.
Sunday, September 6, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
78°F 26°C
Overcast
Early-Evening
73°F 23°C
Sunny
Mild temperatures up to 78°F 26°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds E at 10 mph 15 km/h.
Monday, September 7, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
75°F 24°C
Cloudy
Early-Evening
71°F 22°C
Overcast
Mild with a high of 75°F 24°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds out of the ESE at 11 mph 18 km/h.
Tuesday, September 8, 2026
Mid-Morning
69°F 21°C
Overcast
Mid-Afternoon
82°F 28°C
Overcast
Early-Evening
83°F 28°C
Sunny
Very warm near 82°F 28°C, though humidity makes it feel like 85°F 29°C, partly cloudy through the afternoon, turning sunny this evening, with lower humidity and barometric pressure falling. Winds shifting from the SE to the SSE at 14 mph 22 km/h. Gusts up to 33 mph 53 km/h.
Wednesday, September 9, 2026
Mid-Morning
77°F 25°C
Partly Cloudy
Mid-Afternoon
85°F 29°C
Partly Cloudy
Early-Evening
77°F 26°C
Overcast
Balmy with temperatures reaching 85°F 29°C, cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds turning from the WNW to the SE at 5 mph 8 km/h.
Thursday, September 10, 2026
Mid-Morning
72°F 22°C
Scattered Showers
Mid-Afternoon
81°F 27°C
Scattered Showers
Early-Evening
77°F 25°C
Overcast
Quite warm around 81°F 27°C, scattered downpours possible, with steady humidity and steady pressure. Winds out of the SE at 6 mph 10 km/h.
Friday, September 11, 2026
Mid-Morning
69°F 21°C
Partly Cloudy
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
75°F 24°C
Sunny
Mild temperatures up to 78°F 26°C, sunny throughout the day, with steady humidity and steady pressure. Winds blowing from the ESE at 14 mph 22 km/h. Gusts up to 28 mph 45 km/h.
Saturday, September 12, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
92°F 34°C
Sunny
Early-Evening
88°F 31°C
Sunny
Sizzling hot near 92°F 34°C with a heat index reaching 99°F 37°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds swinging from the ESE to the SSE at 10 mph 16 km/h.
Sunday, September 13, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
94°F 34°C
Sunny
Early-Evening
84°F 29°C
Partly Cloudy
Hot and sweltering around 94°F 34°C (heat index 98°F 37°C), sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds shifting from the SW to the S at 11 mph 18 km/h. Gusts up to 23 mph 36 km/h.
Monday, September 14, 2026
Mid-Morning
73°F 23°C
Light Showers
Mid-Afternoon
78°F 26°C
Overcast
Early-Evening
73°F 23°C
Scattered Showers
Comfortable with temperatures reaching 78°F 26°C, locally heavy downpours at times, with lower humidity and barometric pressure falling. Winds turning from the SSW to the WSW at 9 mph 13 km/h.
Tuesday, September 15, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
63°F 18°C
Sunny
Enjoyable around 68°F 20°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds switching from the WNW to the NNW at 9 mph 15 km/h.
Wednesday, September 16, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
67°F 19°C
Partly Cloudy
Early-Evening
63°F 18°C
Cloudy
Mildly cool near 67°F 19°C, sunny in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the NNW to the SE at 6 mph 10 km/h.
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