Forest School, IL 14 Day Weather
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Forest School, IL Weather Forecast


Forest School, IL Weather Forecast Dated: 941 PM Sat Sep 05 2026
Expect a mild stretch with more clouds than sun and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.
Saturday, September 5, 2026
Mid-Morning
73°F 23°C
Overcast
Mid-Afternoon
81°F 27°C
Partly Cloudy
Early-Evening
72°F 22°C
Partly Cloudy
Warm and summery around 81°F 27°C (feels like 85°F 29°C), overcast in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds out of the NNE at 9 mph 14 km/h.
Sunday, September 6, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
73°F 23°C
Partly Cloudy
Early-Evening
68°F 20°C
Overcast
Comfortable with temperatures reaching 73°F 23°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds blowing from the ENE at 11 mph 17 km/h.
Monday, September 7, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
74°F 23°C
Partly Cloudy
Early-Evening
68°F 20°C
Overcast
Enjoyable around 74°F 23°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds moving from the ESE to the E at 7 mph 11 km/h.
Tuesday, September 8, 2026
Mid-Morning
66°F 19°C
Overcast
Mid-Afternoon
79°F 26°C
Overcast
Early-Evening
79°F 26°C
Cloudy
Mild temperatures up to 79°F 26°C, overcast through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling. Winds out of the S at 12 mph 19 km/h. Gusts up to 29 mph 46 km/h.
Wednesday, September 9, 2026
Mid-Morning
72°F 22°C
Scattered Showers
Mid-Afternoon
81°F 27°C
Overcast
Early-Evening
75°F 24°C
Overcast
Very warm with a high of 81°F 27°C, scattered downpours possible, with steady humidity and barometric pressure falling. Winds shifting from the NW to the WNW at 10 mph 16 km/h. Gusts up to 24 mph 38 km/h.
Thursday, September 10, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
74°F 24°C
Sunny
Early-Evening
68°F 20°C
Sunny
Pleasant near 74°F 24°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds turning from the NNW to the SW at 6 mph 9 km/h.
Friday, September 11, 2026
Mid-Morning
66°F 19°C
Overcast
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
73°F 23°C
Overcast
Comfortable with temperatures reaching 77°F 25°C, partly cloudy in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds switching from the SW to the S at 11 mph 17 km/h. Gusts up to 25 mph 39 km/h.
Saturday, September 12, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
76°F 25°C
Sunny
Enjoyable around 78°F 26°C, partly cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds moving from the SSW to the S at 14 mph 22 km/h. Gusts up to 31 mph 50 km/h.
Sunday, September 13, 2026
Mid-Morning
70°F 21°C
Cloudy
Mid-Afternoon
68°F 20°C
Scattered Showers
Early-Evening
62°F 17°C
Scattered Showers
Mild temperatures up to 68°F 20°C, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds swinging from the WSW to the ENE at 11 mph 18 km/h. Gusts up to 20 mph 32 km/h.
Monday, September 14, 2026
Mid-Morning
61°F 16°C
Scattered Showers
Mid-Afternoon
64°F 18°C
Scattered Showers
Early-Evening
61°F 16°C
Overcast
Mildly cool near 64°F 18°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds shifting from the E to the ENE at 10 mph 15 km/h.
Tuesday, September 15, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
68°F 20°C
Overcast
Early-Evening
68°F 20°C
Scattered Showers
Pleasant near 68°F 20°C, scattered downpours possible, with increasing humidity and barometric pressure falling. Winds turning from the ESE to the E at 6 mph 10 km/h.
Wednesday, September 16, 2026
Mid-Morning
78°F 26°C
Cloudy
Mid-Afternoon
89°F 31°C
Nearby Thunderstorms
Early-Evening
81°F 27°C
Nearby Thunderstorms
Very warm near 89°F 31°C, though humidity makes it feel like 93°F 34°C, heavy thunderstorms conditions at times, with steady humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
67°F 19°C
Fog
Mid-Afternoon
75°F 24°C
Light Fog
Early-Evening
74°F 23°C
Overcast
Enjoyable around 75°F 24°C, overcast throughout the day, with steady humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
67°F 19°C
Scattered Showers
Early-Evening
63°F 18°C
Overcast
Mildly cool near 67°F 19°C, scattered downpours possible, with steady humidity and steady pressure. Winds ENE at 11 mph 18 km/h.
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