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Putnam, IL Weather Forecast


Putnam, IL Weather Forecast Dated: 202 AM Fri Sep 04 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.
Friday, September 4, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
94°F 35°C
Cloudy
Early-Evening
88°F 31°C
Overcast
Sizzling hot near 94°F 35°C with a heat index reaching 100°F 38°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds turning from the SW to the SSE at 5 mph 8 km/h.
Saturday, September 5, 2026
Mid-Morning
79°F 26°C
Partly Cloudy
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
81°F 27°C
Sunny
Hot and sweltering around 90°F 32°C (heat index 97°F 36°C), partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds switching from the NNW to the NE at 8 mph 13 km/h.
Sunday, September 6, 2026
Mid-Morning
71°F 22°C
Partly Cloudy
Mid-Afternoon
83°F 28°C
Overcast
Early-Evening
74°F 23°C
Sunny
Quite warm around 83°F 28°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds ENE at 10 mph 16 km/h. Gusts up to 21 mph 33 km/h.
Monday, September 7, 2026
Mid-Morning
65°F 18°C
Cloudy
Mid-Afternoon
78°F 25°C
Sunny
Early-Evening
72°F 22°C
Sunny
Mild temperatures up to 78°F 25°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds out of the ESE at 8 mph 13 km/h.
Tuesday, September 8, 2026
Mid-Morning
70°F 21°C
Partly Cloudy
Mid-Afternoon
87°F 31°C
Overcast
Early-Evening
83°F 29°C
Overcast
Very warm with a high of 87°F 31°C, partly cloudy in the morning, overcast in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds blowing from the S at 11 mph 18 km/h. Gusts up to 26 mph 42 km/h.
Wednesday, September 9, 2026
Mid-Morning
83°F 29°C
Sunny
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
83°F 29°C
Sunny
Very warm near 89°F 32°C, though humidity makes it feel like 95°F 35°C, cloudy in the morning, sunny in the afternoon, and cloudy this evening, with increasing humidity and steady pressure. Winds turning from the WSW to the ENE at 8 mph 13 km/h.
Thursday, September 10, 2026
Mid-Morning
76°F 25°C
Cloudy
Mid-Afternoon
83°F 28°C
Partly Cloudy
Early-Evening
79°F 27°C
Scattered Showers
Balmy with temperatures reaching 83°F 28°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds switching from the E to the ENE at 9 mph 14 km/h.
Friday, September 11, 2026
Mid-Morning
69°F 21°C
Scattered Showers
Mid-Afternoon
80°F 26°C
Overcast
Early-Evening
73°F 23°C
Scattered Showers
Quite warm around 80°F 26°C, scattered downpours possible, with increasing humidity and steady pressure. Winds blowing from the ESE at 13 mph 21 km/h. Gusts up to 24 mph 38 km/h.
Saturday, September 12, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
84°F 29°C
Partly Cloudy
Early-Evening
78°F 26°C
Sunny
Warm temperatures up to 84°F 29°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds swinging from the SE to the ESE at 13 mph 21 km/h. Gusts up to 24 mph 38 km/h.
Sunday, September 13, 2026
Mid-Morning
78°F 25°C
Sunny
Mid-Afternoon
100°F 38°C
Sunny
Early-Evening
90°F 32°C
Partly Cloudy
Sweltering heat reaching 100°F 38°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the S to the SSE at 15 mph 24 km/h. Gusts up to 28 mph 45 km/h.
Monday, September 14, 2026
Mid-Morning
82°F 28°C
Overcast
Mid-Afternoon
94°F 35°C
Overcast
Early-Evening
81°F 27°C
Partly Cloudy
Very hot with temperatures reaching 94°F 35°C, overcast in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds blowing from the WSW at 17 mph 27 km/h.
Tuesday, September 15, 2026
Mid-Morning
80°F 26°C
Sunny
Mid-Afternoon
96°F 35°C
Sunny
Early-Evening
85°F 30°C
Sunny
Hot and sweltering around 96°F 35°C, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds switching from the WSW to the N at 9 mph 14 km/h.
Wednesday, September 16, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
77°F 25°C
Sunny
Quite warm around 86°F 30°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds moving from the NE to the E at 8 mph 13 km/h.
Thursday, September 17, 2026
Mid-Morning
64°F 18°C
Light Showers
Mid-Afternoon
73°F 23°C
Cloudy
Early-Evening
76°F 25°C
Overcast
Mild temperatures up to 73°F 23°C, scattered morning showers before drying out later, with steady humidity and barometric pressure falling. Winds tapering down from S 17 mph 27 km/h to E 8 mph 13 km/h.
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