Rio, IL 14 Day Weather - 61472 WeatherWorld.com
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Rio, IL Weather Forecast


Rio, IL Weather Forecast Dated: 348 PM Thu Sep 03 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.
Thursday, September 3, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
95°F 35°C
Sunny
Early-Evening
87°F 31°C
Sunny
Sizzling hot near 95°F 35°C with a heat index reaching 107°F 42°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the SSW to the SSE at 10 mph 16 km/h. Gusts up to 21 mph 34 km/h.
Friday, September 4, 2026
Mid-Morning
82°F 28°C
Scattered Showers
Mid-Afternoon
95°F 35°C
Sunny
Early-Evening
90°F 32°C
Nearby Thunderstorms
Hot and sweltering around 95°F 35°C (heat index 101°F 38°C), scattered downpours possible, with steady humidity and steady pressure. Winds switching from the WSW to the NNE at 6 mph 9 km/h.
Saturday, September 5, 2026
Mid-Morning
74°F 24°C
Sunny
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
83°F 28°C
Sunny
Very hot with a high of 90°F 32°C, feeling closer to 94°F 35°C in the humidity, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the NE to the E at 9 mph 14 km/h.
Sunday, September 6, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
82°F 28°C
Cloudy
Early-Evening
75°F 24°C
Sunny
Warm temperatures up to 82°F 28°C, sunny in the morning, overcast in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds out of the E at 12 mph 19 km/h.
Monday, September 7, 2026
Mid-Morning
67°F 20°C
Sunny
Mid-Afternoon
80°F 27°C
Cloudy
Early-Evening
75°F 24°C
Overcast
Very warm with a high of 80°F 27°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds blowing from the ESE at 11 mph 18 km/h. Gusts up to 20 mph 33 km/h.
Tuesday, September 8, 2026
Mid-Morning
72°F 22°C
Overcast
Mid-Afternoon
88°F 31°C
Overcast
Early-Evening
90°F 32°C
Sunny
Warm and summery near 88°F 31°C, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds S at 15 mph 24 km/h. Gusts up to 34 mph 55 km/h.
Wednesday, September 9, 2026
Mid-Morning
80°F 27°C
Cloudy
Mid-Afternoon
91°F 33°C
Cloudy
Early-Evening
81°F 28°C
Sunny
Hot and sweltering around 91°F 33°C, overcast 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 NE at 7 mph 12 km/h.
Thursday, September 10, 2026
Mid-Morning
73°F 23°C
Partly Cloudy
Mid-Afternoon
85°F 30°C
Overcast
Early-Evening
81°F 28°C
Cloudy
Quite warm around 85°F 30°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds moving from the ESE to the E at 11 mph 16 km/h. Gusts up to 20 mph 33 km/h.
Friday, September 11, 2026
Mid-Morning
74°F 23°C
Sunny
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
82°F 28°C
Partly Cloudy
Warm temperatures up to 89°F 32°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds E at 12 mph 20 km/h. Gusts up to 27 mph 44 km/h.
Saturday, September 12, 2026
Mid-Morning
84°F 29°C
Sunny
Mid-Afternoon
100°F 38°C
Sunny
Early-Evening
95°F 35°C
Overcast
Sweltering heat reaching 100°F 38°C, sunny in the morning, becoming cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds shifting from the S to the SSW at 9 mph 14 km/h.
Sunday, September 13, 2026
Mid-Morning
83°F 28°C
Partly Cloudy
Mid-Afternoon
96°F 35°C
Sunny
Early-Evening
79°F 26°C
Overcast
Very hot with temperatures reaching 96°F 35°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with increasing humidity and steady pressure. Winds turning from the SW to the S at 16 mph 25 km/h. Gusts up to 34 mph 55 km/h.
Monday, September 14, 2026
Mid-Morning
73°F 23°C
Light Showers
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
73°F 23°C
Scattered Showers
Comfortable with temperatures reaching 77°F 25°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds switching from the SSW to the SW at 9 mph 14 km/h. Gusts up to 20 mph 32 km/h.
Tuesday, September 15, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
66°F 19°C
Sunny
Enjoyable around 72°F 22°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the WNW to the NNW at 9 mph 14 km/h.
Wednesday, September 16, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
71°F 21°C
Partly Cloudy
Early-Evening
67°F 19°C
Overcast
Mild temperatures up to 71°F 21°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds swinging from the NNW to the ESE at 6 mph 10 km/h.
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