Walnut, IL 14 Day Weather - 61376 WeatherWorld.com
Quick Weather Clicks
Settings
Sun & Moon


Walnut, IL Weather Forecast


Walnut, IL Weather Forecast Dated: 415 AM Fri Sep 04 2026
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Friday, September 4, 2026
Mid-Morning
83°F 29°C
Sunny
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
88°F 31°C
Sunny
Sizzling hot near 90°F 32°C with a heat index reaching 100°F 38°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the NNW to the SSE at 7 mph 12 km/h.
Saturday, September 5, 2026
Mid-Morning
78°F 25°C
Scattered Showers
Mid-Afternoon
87°F 31°C
Sunny
Early-Evening
78°F 26°C
Sunny
Quite warm reaching 87°F 31°C, feeling like 93°F 34°C during peak afternoon, scattered downpours possible, with steady humidity and steady pressure. Winds building from WSW at 3 mph 5 km/h to ENE at 11 mph 17 km/h.
Sunday, September 6, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
71°F 22°C
Overcast
Enjoyable around 77°F 25°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds moving from the E to the ENE at 10 mph 16 km/h. Gusts up to 20 mph 33 km/h.
Monday, September 7, 2026
Mid-Morning
66°F 19°C
Cloudy
Mid-Afternoon
72°F 22°C
Scattered Showers
Early-Evening
70°F 21°C
Overcast
Mild temperatures up to 72°F 22°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds swinging from the SE to the ESE at 8 mph 13 km/h.
Tuesday, September 8, 2026
Mid-Morning
67°F 20°C
Partly Cloudy
Mid-Afternoon
81°F 27°C
Cloudy
Early-Evening
81°F 28°C
Partly Cloudy
Very warm with a high of 81°F 27°C, partly cloudy in the morning, becoming cloudy through the afternoon and 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 32 mph 51 km/h.
Wednesday, September 9, 2026
Mid-Morning
82°F 28°C
Cloudy
Mid-Afternoon
92°F 33°C
Sunny
Early-Evening
88°F 31°C
Sunny
Very hot with a high of 92°F 33°C, feeling closer to 98°F 37°C in the humidity, cloudy in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds turning from the WSW to the S at 8 mph 12 km/h.
Thursday, September 10, 2026
Mid-Morning
79°F 26°C
Cloudy
Mid-Afternoon
87°F 31°C
Sunny
Early-Evening
80°F 27°C
Sunny
Warm and summery around 87°F 31°C (feels like 94°F 34°C), partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds switching from the S to the ENE at 12 mph 19 km/h. Gusts up to 23 mph 37 km/h.
Friday, September 11, 2026
Mid-Morning
78°F 26°C
Overcast
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
88°F 32°C
Sunny
Hot and sweltering around 91°F 33°C (heat index 98°F 37°C), partly cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds moving from the SSE to the SE at 10 mph 15 km/h.
Saturday, September 12, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
83°F 29°C
Sunny
Very hot with a high of 91°F 33°C, feeling closer to 95°F 35°C in the humidity, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds swinging from the SSW to the S at 6 mph 9 km/h.
Sunday, September 13, 2026
Mid-Morning
76°F 25°C
Sunny
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
73°F 23°C
Cloudy
Warm and summery around 89°F 32°C (feels like 94°F 35°C), cloudy in the morning, partly cloudy in the afternoon, and overcast this evening, with increasing humidity and steady pressure. Winds shifting from the S to the SW at 16 mph 25 km/h. Gusts up to 34 mph 55 km/h.
Monday, September 14, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
69°F 21°C
Sunny
Pleasant near 74°F 23°C, sunny throughout the day, with lower humidity and steady pressure.
Tuesday, September 15, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
85°F 30°C
Partly Cloudy
Early-Evening
83°F 28°C
Scattered Showers
Very warm near 85°F 30°C, though humidity makes it feel like 89°F 32°C, locally heavy downpours at times, with steady humidity and barometric pressure falling. Winds turning from the SSE to the S at 13 mph 20 km/h. Gusts up to 30 mph 48 km/h.
Wednesday, September 16, 2026
Mid-Morning
79°F 26°C
Overcast
Mid-Afternoon
92°F 33°C
Scattered Showers
Early-Evening
89°F 32°C
Sunny
Sizzling hot near 92°F 33°C with a heat index reaching 96°F 36°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds SSW at 17 mph 27 km/h. Gusts up to 24 mph 37 km/h.
Thursday, September 17, 2026
Mid-Morning
75°F 24°C
Partly Cloudy
Mid-Afternoon
76°F 25°C
Overcast
Early-Evening
68°F 21°C
Scattered Showers
Mild temperatures up to 76°F 25°C, scattered downpours possible, with steady humidity and steady pressure. Winds moving from the SW to the NNW at 9 mph 14 km/h.
Walnut, IL Weather Radar Map
Use the map search tool if you want to place a location marker on the radar map...
Weather World