Sullivan High School, IL 14 Day Weather
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Sullivan High School, IL Weather Forecast


Sullivan High School, IL Weather Forecast Dated: 446 AM Sat Oct 24 2026
Expect a cool pattern with more clouds than sun and occasional showers over the coming period. moderate humidity and a stable pattern will dominate.
Saturday, October 24, 2026
Mid-Morning
59°F 15°C
Overcast
Mid-Afternoon
70°F 21°C
Cloudy
Early-Evening
66°F 19°C
Overcast
Pleasant near 70°F 21°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure.
Sunday, October 25, 2026
Mid-Morning
61°F 16°C
Overcast
Mid-Afternoon
69°F 21°C
Overcast
Early-Evening
65°F 19°C
Overcast
Comfortable with temperatures reaching 69°F 21°C, overcast throughout the day, with steady humidity and steady pressure.
Monday, October 26, 2026
Mid-Morning
58°F 14°C
Overcast
Mid-Afternoon
59°F 15°C
Overcast
Early-Evening
56°F 14°C
Overcast
Comfortable at 59°F 15°C, overcast throughout the day, with lower humidity and steady pressure. Winds out of the NNE at 10 mph 16 km/h.
Tuesday, October 27, 2026
Mid-Morning
57°F 14°C
Overcast
Mid-Afternoon
66°F 19°C
Overcast
Early-Evening
63°F 18°C
Overcast
Cool with a high near 66°F 19°C, overcast throughout the day, with lower humidity and steady pressure.
Wednesday, October 28, 2026
Mid-Morning
61°F 16°C
Partly Cloudy
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
67°F 20°C
Clear
Mild with a high of 73°F 23°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and barometric pressure falling. Winds switching from the SSE to the SW at 7 mph 11 km/h.
Thursday, October 29, 2026
Mid-Morning
58°F 15°C
Sunny
Mid-Afternoon
64°F 18°C
Partly Cloudy
Early-Evening
62°F 17°C
Partly Cloudy
Mildly cool near 64°F 18°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and steady pressure.
Friday, October 30, 2026
Mid-Morning
57°F 14°C
Cloudy
Mid-Afternoon
63°F 17°C
Scattered Showers
Early-Evening
63°F 17°C
Overcast
Comfortable at 63°F 17°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Saturday, October 31, 2026
Mid-Morning
62°F 16°C
Overcast
Mid-Afternoon
65°F 19°C
Partly Cloudy
Early-Evening
64°F 18°C
Cloudy
Cool with a high near 65°F 19°C, overcast in the morning, becoming cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds S at 8 mph 13 km/h. Gusts up to 20 mph 31 km/h.
Sunday, November 1, 2026
Mid-Morning
62°F 17°C
Drizzle
Mid-Afternoon
64°F 18°C
Light Rain
Early-Evening
62°F 17°C
Light Showers
Refreshing around 64°F 18°C, on-and-off showers throughout the day, with steady humidity and barometric pressure falling. Winds out of the SSW at 10 mph 16 km/h. Gusts up to 25 mph 40 km/h.
Monday, November 2, 2026
Mid-Morning
54°F 12°C
Cloudy
Mid-Afternoon
52°F 11°C
Cloudy
Early-Evening
50°F 10°C
Partly Cloudy
Cool and brisk at 52°F 11°C, overcast in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds shifting from the WNW to the W at 8 mph 13 km/h. Gusts up to 27 mph 42 km/h.
Tuesday, November 3, 2026
Mid-Morning
47°F 8°C
Scattered Showers
Mid-Afternoon
47°F 9°C
Drizzle
Early-Evening
48°F 9°C
Scattered Showers
Chilly near 47°F 9°C, scattered downpours possible, with steady humidity and steady pressure.
Wednesday, November 4, 2026
Mid-Morning
49°F 10°C
Partly Cloudy
Mid-Afternoon
51°F 11°C
Cloudy
Early-Evening
50°F 10°C
Partly Cloudy
Crisp with a high near 51°F 11°C, partly cloudy in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure.
Thursday, November 5, 2026
Mid-Morning
46°F 8°C
Partly Cloudy
Mid-Afternoon
46°F 8°C
Cloudy
Early-Evening
43°F 7°C
Partly Cloudy
Brisk around 46°F 8°C, partly cloudy in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds NNW at 9 mph 14 km/h.
Friday, November 6, 2026
Mid-Morning
40°F 4°C
Partly Cloudy
Mid-Afternoon
44°F 6°C
Overcast
Early-Evening
40°F 5°C
Partly Cloudy
Biting cold near 44°F 6°C, partly cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure rising.
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