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Upper Flat Pond, IL 14 Day Weather
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Upper Flat Pond, IL Weather Forecast
Upper Flat Pond, IL Weather Forecast Dated: 948 PM Tue Sep 22 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Tuesday, September 22, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
73°F 23°C
Cloudy
Early-Evening
66°F 19°C
Cloudy
Pleasant near 73°F 23°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds turning from the ENE to the NE at 11 mph 17 km/h.
Wednesday, September 23, 2026
Mid-Morning
61°F 16°C
Partly Cloudy
Mid-Afternoon
71°F 22°C
Scattered Showers
Early-Evening
66°F 19°C
Overcast
Comfortable with temperatures reaching 71°F 22°C, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the NNE to the NE at 9 mph 14 km/h.
Thursday, September 24, 2026
Mid-Morning
63°F 17°C
Partly Cloudy
Mid-Afternoon
76°F 24°C
Sunny
Early-Evening
70°F 21°C
Cloudy
Enjoyable around 76°F 24°C, partly cloudy in the morning, sunny in the afternoon, and overcast this evening, with lower humidity and steady pressure.
Friday, September 25, 2026
Mid-Morning
63°F 17°C
Drizzle
Mid-Afternoon
69°F 21°C
Overcast
Early-Evening
67°F 20°C
Overcast
Mild temperatures up to 69°F 21°C, early showers breaking for a drier afternoon, with lower humidity and barometric pressure falling.
Saturday, September 26, 2026
Mid-Morning
62°F 17°C
Scattered Showers
Mid-Afternoon
57°F 14°C
Scattered Showers
Early-Evening
56°F 14°C
Scattered Showers
Brisk around 57°F 14°C, scattered downpours possible, with increasing humidity and steady pressure.
Sunday, September 27, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
66°F 19°C
Overcast
Early-Evening
65°F 19°C
Overcast
Mildly cool near 66°F 19°C, overcast throughout the day, with steady humidity and steady pressure.
Monday, September 28, 2026
Mid-Morning
63°F 17°C
Partly Cloudy
Mid-Afternoon
76°F 25°C
Sunny
Early-Evening
70°F 21°C
Sunny
Comfortable with temperatures reaching 76°F 25°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and barometric pressure falling.
Tuesday, September 29, 2026
Mid-Morning
69°F 20°C
Overcast
Mid-Afternoon
83°F 28°C
Overcast
Early-Evening
80°F 27°C
Overcast
Quite warm around 83°F 28°C, cloudy in the morning, becoming overcast through the afternoon and evening, with increasing humidity and barometric pressure falling. Winds moving from the SSE to the S at 17 mph 27 km/h. Gusts up to 30 mph 48 km/h.
Wednesday, September 30, 2026
Mid-Morning
58°F 15°C
Scattered Showers
Mid-Afternoon
55°F 13°C
Scattered Showers
Early-Evening
55°F 13°C
Overcast
Brisk around 55°F 13°C, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds swinging from the WSW to the WNW at 15 mph 24 km/h. Gusts up to 27 mph 43 km/h.
Thursday, October 1, 2026
Mid-Morning
52°F 11°C
Sunny
Mid-Afternoon
65°F 19°C
Sunny
Early-Evening
57°F 14°C
Sunny
Mildly cool near 65°F 19°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the WNW to the NW at 9 mph 14 km/h.
Friday, October 2, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
61°F 16°C
Sunny
Pleasant near 69°F 21°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the NW to the SE at 6 mph 10 km/h.
Saturday, October 3, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
76°F 24°C
Sunny
Early-Evening
67°F 20°C
Overcast
Comfortable with temperatures reaching 76°F 24°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds switching from the SSW to the N at 9 mph 14 km/h. Gusts up to 20 mph 31 km/h.
Sunday, October 4, 2026
Mid-Morning
54°F 12°C
Overcast
Mid-Afternoon
55°F 13°C
Overcast
Early-Evening
54°F 12°C
Overcast
Brisk around 55°F 13°C, overcast throughout the day, with steady humidity and steady pressure.
Monday, October 5, 2026
Mid-Morning
51°F 11°C
Sunny
Mid-Afternoon
64°F 18°C
Sunny
Early-Evening
56°F 13°C
Sunny
Mildly cool near 64°F 18°C, sunny throughout the day, with lower humidity and steady pressure. Winds blowing from the N at 7 mph 12 km/h.
Upper Flat Pond, IL Weather Radar Map
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