Koppie, IL 14 Day Weather
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Koppie, IL Weather Forecast


Koppie, IL Weather Forecast Dated: 1218 PM Sat Sep 12 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.
Saturday, September 12, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
86°F 30°C
Partly Cloudy
Early-Evening
72°F 23°C
Sunny
Warm and summery around 86°F 30°C (feels like 90°F 32°C), sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds turning from the SW to the NW at 9 mph 13 km/h.
Sunday, September 13, 2026
Mid-Morning
60°F 15°C
Overcast
Mid-Afternoon
66°F 19°C
Overcast
Early-Evening
59°F 15°C
Cloudy
Mildly cool near 66°F 19°C, overcast through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds switching from the N to the NNE at 7 mph 11 km/h.
Monday, September 14, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
66°F 19°C
Overcast
Early-Evening
67°F 19°C
Overcast
Comfortable at 66°F 19°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds moving from the E to the SSE at 10 mph 16 km/h. Gusts up to 21 mph 34 km/h.
Tuesday, September 15, 2026
Mid-Morning
69°F 21°C
Scattered Showers
Mid-Afternoon
76°F 25°C
Scattered Showers
Early-Evening
75°F 24°C
Light Showers
Mild temperatures up to 76°F 25°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. A stray shower or storm late in the day. Winds swinging from the SSW to the NNW at 6 mph 9 km/h.
Wednesday, September 16, 2026
Mid-Morning
63°F 17°C
Heavy Rain Showers
Mid-Afternoon
63°F 17°C
Scattered Showers
Early-Evening
59°F 15°C
Overcast
Refreshing around 63°F 17°C, scattered downpours possible, with steady humidity and steady pressure. Winds blowing from the ENE at 11 mph 18 km/h. Gusts up to 20 mph 31 km/h.
Thursday, September 17, 2026
Mid-Morning
63°F 17°C
Fog
Mid-Afternoon
64°F 18°C
Light Showers
Early-Evening
68°F 20°C
Light Showers
Mildly cool near 64°F 18°C, dry early, with showers continuing through afternoon and evening, with steady humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
72°F 22°C
Scattered Showers
Mid-Afternoon
73°F 23°C
Cloudy
Early-Evening
64°F 18°C
Light Showers
Comfortable with temperatures reaching 73°F 23°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the E to the NE at 12 mph 19 km/h.
Saturday, September 19, 2026
Mid-Morning
59°F 15°C
Light Showers
Mid-Afternoon
60°F 15°C
Scattered Showers
Early-Evening
59°F 15°C
Scattered Showers
Cool with a high near 60°F 15°C, scattered downpours possible, with lower humidity and barometric pressure rising. Winds switching from the NNE to the WSW at 12 mph 19 km/h. Gusts up to 25 mph 40 km/h.
Sunday, September 20, 2026
Mid-Morning
60°F 15°C
Sunny
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
60°F 16°C
Scattered Showers
Refreshing around 66°F 19°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds moving from the NNE to the NE at 7 mph 12 km/h.
Monday, September 21, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
59°F 15°C
Sunny
Mildly cool near 66°F 19°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Tuesday, September 22, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
64°F 18°C
Sunny
Pleasant near 68°F 20°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling. Winds SSW at 13 mph 20 km/h. Gusts up to 25 mph 39 km/h.
Wednesday, September 23, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
61°F 16°C
Sunny
Comfortable with temperatures reaching 68°F 20°C, sunny throughout the day, with steady humidity and barometric pressure rising. Winds out of the WNW at 17 mph 27 km/h. Gusts up to 30 mph 48 km/h.
Thursday, September 24, 2026
Mid-Morning
48°F 9°C
Sunny
Mid-Afternoon
59°F 15°C
Partly Cloudy
Early-Evening
55°F 13°C
Sunny
Refreshing around 59°F 15°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the NNW to the SE at 3 mph 5 km/h.
Friday, September 25, 2026
Mid-Morning
57°F 14°C
Overcast
Mid-Afternoon
74°F 24°C
Partly Cloudy
Early-Evening
69°F 21°C
Overcast
Mild temperatures up to 74°F 24°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with increasing humidity and steady pressure. Winds switching from the S to the NW at 11 mph 17 km/h. Gusts up to 22 mph 35 km/h.
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