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Oliver, IL Weather Forecast
Oliver, IL Weather Forecast Dated: 913 AM Sun Sep 13 2026
Expect a mild stretch with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate. Isolated storms at times.
Sunday, September 13, 2026
Mid-Morning
73°F 23°C
Partly Cloudy
Mid-Afternoon
79°F 26°C
Overcast
Early-Evening
70°F 21°C
Overcast
Pleasant near 79°F 26°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the N to the NE at 11 mph 17 km/h. Gusts up to 20 mph 32 km/h.
Monday, September 14, 2026
Mid-Morning
61°F 16°C
Partly Cloudy
Mid-Afternoon
76°F 25°C
Partly Cloudy
Early-Evening
72°F 22°C
Overcast
Comfortable with temperatures reaching 76°F 25°C, cloudy throughout the day, with steady humidity and barometric pressure falling. Winds switching from the E to the SE at 10 mph 16 km/h. Gusts up to 23 mph 36 km/h.
Tuesday, September 15, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
96°F 36°C
Overcast
Early-Evening
80°F 27°C
Scattered Showers
Very hot with a high of 96°F 36°C, feeling closer to 99°F 37°C in the humidity, locally heavy downpours at times, with increasing humidity and steady pressure. Winds moving from the S to the NNE at 11 mph 18 km/h. Gusts up to 20 mph 33 km/h.
Wednesday, September 16, 2026
Mid-Morning
74°F 23°C
Light Showers
Mid-Afternoon
89°F 31°C
Sunny
Early-Evening
82°F 28°C
Sunny
Warm and summery around 89°F 31°C (feels like 93°F 34°C), early showers breaking for a drier afternoon, with lower humidity and steady pressure. A stray shower or storm late in the day.
Thursday, September 17, 2026
Mid-Morning
70°F 21°C
Partly Cloudy
Mid-Afternoon
76°F 25°C
Cloudy
Early-Evening
72°F 22°C
Scattered Showers
Mild with a high of 76°F 25°C, scattered downpours possible, with lower humidity and steady pressure. Winds swinging from the NNE to the NE at 10 mph 15 km/h.
Friday, September 18, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
78°F 25°C
Sunny
Early-Evening
70°F 21°C
Overcast
Pleasant near 78°F 25°C, partly cloudy in the morning, becoming cloudy through the afternoon and evening, with steady humidity and barometric pressure falling. Winds blowing from the ENE at 11 mph 18 km/h.
Saturday, September 19, 2026
Mid-Morning
69°F 21°C
Partly Cloudy
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
83°F 29°C
Sunny
Balmy with temperatures reaching 89°F 32°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds SW at 8 mph 13 km/h.
Sunday, September 20, 2026
Mid-Morning
73°F 23°C
Overcast
Mid-Afternoon
76°F 25°C
Overcast
Early-Evening
71°F 22°C
Scattered Showers
Enjoyable around 76°F 25°C, scattered downpours possible, with steady humidity and steady pressure.
Monday, September 21, 2026
Mid-Morning
65°F 18°C
Heavy Rain Showers
Mid-Afternoon
74°F 23°C
Light Showers
Early-Evening
64°F 18°C
Light Showers
Mild temperatures up to 74°F 23°C, on-and-off showers throughout the day, with steady humidity and steady pressure. Winds switching from the ENE to the NE at 10 mph 16 km/h.
Tuesday, September 22, 2026
Mid-Morning
56°F 13°C
Scattered Showers
Mid-Afternoon
56°F 13°C
Scattered Showers
Early-Evening
54°F 12°C
Scattered Showers
Cool and brisk at 56°F 13°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds moving from the NW to the WNW at 13 mph 20 km/h. Gusts up to 21 mph 34 km/h.
Wednesday, September 23, 2026
Mid-Morning
52°F 11°C
Scattered Showers
Mid-Afternoon
56°F 13°C
Scattered Showers
Early-Evening
52°F 12°C
Scattered Showers
Chilly near 56°F 13°C, scattered downpours possible, with lower humidity and steady pressure. Winds NW at 14 mph 23 km/h. Gusts up to 24 mph 38 km/h.
Thursday, September 24, 2026
Mid-Morning
55°F 13°C
Overcast
Mid-Afternoon
61°F 16°C
Scattered Showers
Early-Evening
59°F 15°C
Scattered Showers
Cool with a high near 61°F 16°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds shifting from the NNW to the NNE at 11 mph 17 km/h. Gusts up to 21 mph 35 km/h.
Friday, September 25, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
67°F 20°C
Sunny
Early-Evening
62°F 17°C
Partly Cloudy
Refreshing around 67°F 20°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds turning from the NNE to the NE at 8 mph 13 km/h.
Saturday, September 26, 2026
Mid-Morning
60°F 15°C
Sunny
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
65°F 18°C
Sunny
Mild temperatures up to 71°F 22°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the NNE to the ENE at 7 mph 10 km/h.
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