Dundas, IL 14 Day Weather - 62425 WeatherWorld.com
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Dundas, IL Weather Forecast


Dundas, IL Weather Forecast Dated: 809 AM Wed Sep 09 2026
Expect a hot stretch with a mix of sun and clouds and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate. Isolated storms at times.
Wednesday, September 9, 2026
Mid-Morning
80°F 27°C
Scattered Showers
Mid-Afternoon
96°F 36°C
Partly Cloudy
Early-Evening
81°F 27°C
Partly Cloudy
Sizzling hot near 96°F 36°C with a heat index reaching 99°F 37°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the SW to the NW at 13 mph 20 km/h. Gusts up to 20 mph 32 km/h.
Thursday, September 10, 2026
Mid-Morning
72°F 22°C
Cloudy
Mid-Afternoon
72°F 22°C
Heavy Rain Showers
Early-Evening
72°F 22°C
Light Showers
Comfortable with temperatures reaching 72°F 22°C, clouds and showers taking over for the afternoon and evening, with steady humidity and steady pressure.
Friday, September 11, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
81°F 27°C
Overcast
Early-Evening
76°F 25°C
Overcast
Very warm near 81°F 27°C, though humidity makes it feel like 84°F 29°C, overcast throughout the day, with lower humidity and steady pressure.
Saturday, September 12, 2026
Mid-Morning
74°F 24°C
Partly Cloudy
Mid-Afternoon
88°F 31°C
Partly Cloudy
Early-Evening
82°F 28°C
Overcast
Warm temperatures up to 88°F 31°C, cloudy in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
79°F 26°C
Cloudy
Mid-Afternoon
90°F 32°C
Overcast
Early-Evening
85°F 30°C
Sunny
Very hot with a high of 90°F 32°C, cloudy in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds blowing from the SSW at 7 mph 11 km/h.
Monday, September 14, 2026
Mid-Morning
80°F 27°C
Cloudy
Mid-Afternoon
94°F 34°C
Overcast
Early-Evening
87°F 31°C
Sunny
Very hot with a high of 94°F 34°C, feeling closer to 97°F 36°C in the humidity, overcast in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds moving from the SSW to the S at 11 mph 17 km/h. Gusts up to 24 mph 38 km/h.
Tuesday, September 15, 2026
Mid-Morning
78°F 25°C
Rain Showers
Mid-Afternoon
90°F 32°C
Light Showers
Early-Evening
80°F 27°C
Nearby Thunderstorms
Sizzling hot near 90°F 32°C with a heat index reaching 97°F 36°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. A stray shower or storm late in the day. Winds swinging from the WSW to the SE at 10 mph 16 km/h. Gusts up to 22 mph 34 km/h.
Wednesday, September 16, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
75°F 24°C
Sunny
Quite warm around 82°F 28°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds shifting from the NE to the ENE at 10 mph 15 km/h.
Thursday, September 17, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
84°F 29°C
Sunny
Warm temperatures up to 89°F 32°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds SSE at 6 mph 10 km/h.
Friday, September 18, 2026
Mid-Morning
83°F 28°C
Sunny
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
93°F 34°C
Sunny
Sizzling hot near 99°F 37°C with a heat index reaching 103°F 39°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling. Winds switching from the SSW to the S at 6 mph 10 km/h.
Saturday, September 19, 2026
Mid-Morning
85°F 30°C
Sunny
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
88°F 31°C
Sunny
Hot and sweltering around 97°F 36°C (heat index 101°F 38°C), sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds moving from the NW to the ENE at 9 mph 15 km/h.
Sunday, September 20, 2026
Mid-Morning
80°F 27°C
Fog
Mid-Afternoon
101°F 38°C
Sunny
Early-Evening
94°F 35°C
Sunny
Dangerously hot with a high of 101°F 38°C, partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling.
Monday, September 21, 2026
Mid-Morning
89°F 32°C
Sunny
Mid-Afternoon
85°F 29°C
Sunny
Early-Evening
75°F 24°C
Light Showers
Warm and summery around 85°F 29°C (feels like 89°F 31°C), drier conditions through late afternoon before showers move in, with increasing humidity and steady pressure. Winds swinging from the SW to the NNE at 7 mph 12 km/h.
Tuesday, September 22, 2026
Mid-Morning
67°F 19°C
Overcast
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
70°F 21°C
Scattered Showers
Mild temperatures up to 73°F 23°C, scattered downpours possible, with lower humidity and steady pressure. Winds out of the ENE at 9 mph 15 km/h. Gusts up to 20 mph 33 km/h.
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