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Knapp School, IL 14 Day Weather
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Knapp School, IL Weather Forecast
Knapp School, IL Weather Forecast Dated: 337 AM Thu Sep 17 2026
Expect a cool pattern 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.
Thursday, September 17, 2026
Mid-Morning
67°F 19°C
Light Fog
Mid-Afternoon
71°F 22°C
Overcast
Early-Evening
70°F 21°C
Light Fog
Pleasant near 71°F 22°C, overcast throughout the day, with steady humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
75°F 24°C
Light Showers
Early-Evening
71°F 22°C
Cloudy
Comfortable with temperatures reaching 75°F 24°C, clouds building with afternoon showers likely, with steady humidity and barometric pressure falling. Winds turning from the E to the ESE at 14 mph 23 km/h. Gusts up to 27 mph 43 km/h.
Saturday, September 19, 2026
Mid-Morning
72°F 22°C
Light Fog
Mid-Afternoon
78°F 26°C
Cloudy
Early-Evening
77°F 25°C
Scattered Showers
Enjoyable around 78°F 26°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds switching from the S to the SSW at 9 mph 14 km/h.
Sunday, September 20, 2026
Mid-Morning
60°F 16°C
Scattered Showers
Mid-Afternoon
62°F 17°C
Scattered Showers
Early-Evening
61°F 16°C
Overcast
Cool with a high near 62°F 17°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds moving from the NE to the ENE at 14 mph 22 km/h. Gusts up to 25 mph 40 km/h.
Monday, September 21, 2026
Mid-Morning
54°F 12°C
Heavy Rain Showers
Mid-Afternoon
63°F 17°C
Scattered Showers
Early-Evening
59°F 16°C
Scattered Showers
Refreshing around 63°F 17°C, scattered downpours possible, with steady humidity and barometric pressure falling. Winds swinging from the NE to the WNW at 9 mph 15 km/h.
Tuesday, September 22, 2026
Mid-Morning
56°F 14°C
Sunny
Mid-Afternoon
67°F 20°C
Sunny
Early-Evening
62°F 17°C
Sunny
Mildly cool near 67°F 20°C, cloudy in the morning, sunny in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds shifting from the WNW to the SE at 7 mph 10 km/h.
Wednesday, September 23, 2026
Mid-Morning
62°F 17°C
Overcast
Mid-Afternoon
63°F 17°C
Light Showers
Early-Evening
59°F 15°C
Light Showers
Comfortable at 63°F 17°C, drier morning followed by showers lasting through evening, with steady humidity and steady pressure. Winds turning from the S to the W at 12 mph 20 km/h. Gusts up to 27 mph 43 km/h.
Thursday, September 24, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
62°F 16°C
Sunny
Early-Evening
56°F 14°C
Sunny
Cool with a high near 62°F 16°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds switching from the W to the WNW at 13 mph 20 km/h. Gusts up to 27 mph 44 km/h.
Friday, September 25, 2026
Mid-Morning
51°F 10°C
Sunny
Mid-Afternoon
62°F 17°C
Sunny
Early-Evening
56°F 13°C
Sunny
Refreshing around 62°F 17°C, sunny throughout the day, with steady humidity and steady pressure. Winds blowing from the NNW at 12 mph 20 km/h.
Saturday, September 26, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
67°F 19°C
Sunny
Early-Evening
60°F 16°C
Sunny
Mildly cool near 67°F 19°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the SSW to the S at 8 mph 12 km/h.
Sunday, September 27, 2026
Mid-Morning
57°F 14°C
Overcast
Mid-Afternoon
69°F 21°C
Cloudy
Early-Evening
66°F 19°C
Overcast
Pleasant near 69°F 21°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds shifting from the S to the SSE at 10 mph 16 km/h. Gusts up to 24 mph 39 km/h.
Monday, September 28, 2026
Mid-Morning
61°F 16°C
Cloudy
Mid-Afternoon
76°F 24°C
Cloudy
Early-Evening
69°F 21°C
Sunny
Comfortable with temperatures reaching 76°F 24°C, partly cloudy through the afternoon, turning overcast this evening, with steady humidity and steady pressure. Winds turning from the SSW to the S at 6 mph 10 km/h.
Tuesday, September 29, 2026
Mid-Morning
65°F 18°C
Overcast
Mid-Afternoon
69°F 20°C
Scattered Showers
Early-Evening
66°F 19°C
Overcast
Enjoyable around 69°F 20°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure.
Wednesday, September 30, 2026
Mid-Morning
54°F 12°C
Partly Cloudy
Mid-Afternoon
63°F 17°C
Cloudy
Early-Evening
57°F 14°C
Overcast
Mildly cool near 63°F 17°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds switching from the NE to the ENE at 12 mph 19 km/h. Gusts up to 21 mph 35 km/h.
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