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


Teheran, IL Weather Forecast


Teheran, IL Weather Forecast Dated: 334 AM Thu Sep 03 2026 (Teheran Time)
Expect a hot stretch with plenty of sunshine and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.
Thursday, September 3, 2026
Mid-Morning
86°F 30°C
Sunny
Mid-Afternoon
102°F 39°C
Overcast
Early-Evening
91°F 33°C
Overcast
Scorching hot near 102°F 39°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds turning from the WSW to the SE at 8 mph 13 km/h.
Friday, September 4, 2026
Mid-Morning
85°F 29°C
Partly Cloudy
Mid-Afternoon
101°F 38°C
Nearby Thunderstorms
Early-Evening
87°F 31°C
Nearby Thunderstorms
Sweltering temperatures near 101°F 38°C with a heat index of 104°F 40°C, locally heavy thunderstorms at times, with increasing humidity and steady pressure. Winds switching from the W to the E at 8 mph 13 km/h.
Saturday, September 5, 2026
Mid-Morning
84°F 29°C
Sunny
Mid-Afternoon
87°F 30°C
Light Rain
Early-Evening
73°F 23°C
Light Showers
Very warm near 87°F 30°C, though humidity makes it feel like 92°F 33°C, dry early, with showers continuing through afternoon and evening, with increasing humidity and steady pressure. Winds moving from the WSW to the SE at 9 mph 14 km/h. Gusts up to 20 mph 31 km/h.
Sunday, September 6, 2026
Mid-Morning
76°F 24°C
Sunny
Mid-Afternoon
96°F 36°C
Sunny
Early-Evening
83°F 28°C
Sunny
Sizzling hot near 96°F 36°C with a heat index reaching 100°F 38°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds swinging from the S to the E at 10 mph 16 km/h.
Monday, September 7, 2026
Mid-Morning
69°F 21°C
Sunny
Mid-Afternoon
96°F 36°C
Sunny
Early-Evening
89°F 32°C
Sunny
Hot and sweltering around 96°F 36°C (heat index 99°F 37°C), sunny through the afternoon, turning overcast this evening, with lower humidity and barometric pressure falling. Winds blowing from the SE at 9 mph 15 km/h. Gusts up to 22 mph 36 km/h.
Tuesday, September 8, 2026
Mid-Morning
87°F 31°C
Overcast
Mid-Afternoon
104°F 40°C
Sunny
Early-Evening
98°F 37°C
Sunny
Sweltering heat reaching 104°F 40°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the SSW to the S at 17 mph 27 km/h. Gusts up to 29 mph 47 km/h.
Wednesday, September 9, 2026
Mid-Morning
83°F 28°C
Sunny
Mid-Afternoon
89°F 32°C
Partly Cloudy
Early-Evening
80°F 27°C
Partly Cloudy
Balmy with temperatures reaching 89°F 32°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds switching from the NW to the SE at 9 mph 14 km/h.
Thursday, September 10, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
82°F 28°C
Cloudy
Early-Evening
74°F 23°C
Partly Cloudy
Quite warm around 82°F 28°C, partly cloudy in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds moving from the NE to the ENE at 9 mph 15 km/h.
Friday, September 11, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
83°F 29°C
Sunny
Warm temperatures up to 89°F 32°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling. Winds SE at 9 mph 14 km/h. Gusts up to 22 mph 35 km/h.
Saturday, September 12, 2026
Mid-Morning
78°F 25°C
Overcast
Mid-Afternoon
96°F 36°C
Partly Cloudy
Early-Evening
86°F 30°C
Partly Cloudy
Sizzling hot near 96°F 36°C with a heat index reaching 99°F 37°C, partly cloudy through the afternoon, turning cloudy this evening, with increasing humidity and barometric pressure falling. Winds out of the SSW at 13 mph 21 km/h.
Sunday, September 13, 2026
Mid-Morning
90°F 32°C
Sunny
Mid-Afternoon
97°F 36°C
Scattered Showers
Early-Evening
95°F 35°C
Sunny
Very hot with temperatures reaching 97°F 36°C, scattered downpours possible, with steady humidity and steady pressure. Winds turning from the SW to the SSW at 20 mph 32 km/h. Gusts up to 31 mph 49 km/h.
Monday, September 14, 2026
Mid-Morning
86°F 30°C
Sunny
Mid-Afternoon
96°F 36°C
Sunny
Early-Evening
82°F 28°C
Sunny
Hot and sweltering around 96°F 36°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the WSW to the NNE at 14 mph 21 km/h. Gusts up to 25 mph 39 km/h.
Tuesday, September 15, 2026
Mid-Morning
71°F 22°C
Partly Cloudy
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
75°F 24°C
Sunny
Quite warm around 86°F 30°C, sunny throughout the day, with steady humidity and steady pressure. Winds out of the NE at 8 mph 13 km/h.
Wednesday, September 16, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
82°F 28°C
Partly Cloudy
Early-Evening
70°F 22°C
Overcast
Warm temperatures up to 82°F 28°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds swinging from the NE to the ENE at 10 mph 15 km/h.
Teheran, IL Weather Radar Map
Use the map search tool if you want to place a location marker on the radar map...
Weather World