Weather World
Willow Stream Park, IL 14 Day Weather
Quick Weather Clicks
Settings
Sun & Moon
Willow Stream Park, IL Weather Forecast
Willow Stream Park, IL Weather Forecast Dated: 108 PM Mon Sep 21 2026
Expect a cool pattern with more clouds than sun and mostly dry weather over the coming period. generally humid conditions and a stable pattern will dominate.
Monday, September 21, 2026
Mid-Morning
58°F 15°C
Overcast
Mid-Afternoon
60°F 16°C
Cloudy
Early-Evening
60°F 16°C
Overcast
Refreshing around 60°F 16°C, overcast throughout the day, with steady humidity and steady pressure. Winds out of the ENE at 13 mph 21 km/h.
Tuesday, September 22, 2026
Mid-Morning
55°F 13°C
Scattered Showers
Mid-Afternoon
60°F 16°C
Partly Cloudy
Early-Evening
60°F 15°C
Sunny
Mildly cool near 60°F 16°C, scattered downpours possible, with lower humidity and steady pressure. Winds switching from the ENE to the NE at 7 mph 12 km/h.
Wednesday, September 23, 2026
Mid-Morning
58°F 15°C
Overcast
Mid-Afternoon
63°F 17°C
Cloudy
Early-Evening
61°F 16°C
Cloudy
Comfortable at 63°F 17°C, overcast in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds ENE at 13 mph 21 km/h. Gusts up to 21 mph 34 km/h.
Thursday, September 24, 2026
Mid-Morning
60°F 16°C
Partly Cloudy
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
62°F 17°C
Overcast
Cool with a high near 65°F 18°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds swinging from the E to the ENE at 6 mph 9 km/h.
Friday, September 25, 2026
Mid-Morning
58°F 14°C
Overcast
Mid-Afternoon
64°F 18°C
Overcast
Early-Evening
60°F 16°C
Overcast
Refreshing around 64°F 18°C, overcast throughout the day, with steady humidity and steady pressure. Winds shifting from the E to the NNE at 6 mph 9 km/h.
Saturday, September 26, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
62°F 17°C
Overcast
Early-Evening
60°F 16°C
Overcast
Mildly cool near 62°F 17°C, overcast throughout the day, with steady humidity and steady pressure. Winds turning from the E to the ENE at 4 mph 7 km/h.
Sunday, September 27, 2026
Mid-Morning
61°F 16°C
Overcast
Mid-Afternoon
67°F 20°C
Overcast
Early-Evening
62°F 17°C
Overcast
Comfortable at 67°F 20°C, overcast throughout the day, with steady humidity and steady pressure.
Monday, September 28, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
62°F 17°C
Sunny
Cool with a high near 66°F 19°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
58°F 14°C
Overcast
Mid-Afternoon
59°F 15°C
Overcast
Early-Evening
58°F 15°C
Scattered Showers
Refreshing around 59°F 15°C, locally heavy downpours at times, with increasing humidity and steady pressure.
Wednesday, September 30, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
64°F 18°C
Cloudy
Early-Evening
60°F 15°C
Partly Cloudy
Mildly cool near 64°F 18°C, overcast in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds switching from the NE to the NNE at 7 mph 12 km/h.
Thursday, October 1, 2026
Mid-Morning
60°F 16°C
Partly Cloudy
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
63°F 17°C
Overcast
Comfortable at 66°F 19°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling. Winds blowing from the ENE at 9 mph 15 km/h. Gusts up to 22 mph 36 km/h.
Friday, October 2, 2026
Mid-Morning
60°F 15°C
Nearby Thunderstorms
Mid-Afternoon
65°F 19°C
Scattered Showers
Early-Evening
64°F 18°C
Scattered Showers
Cool with a high near 65°F 19°C, heavy thunderstorms conditions at times, with steady humidity and steady pressure.
Saturday, October 3, 2026
Mid-Morning
62°F 17°C
Light Fog
Mid-Afternoon
72°F 22°C
Overcast
Early-Evening
68°F 20°C
Overcast
Enjoyable around 72°F 22°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure.
Sunday, October 4, 2026
Mid-Morning
65°F 19°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
70°F 21°C
Sunny
Mild temperatures up to 75°F 24°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure.
Willow Stream Park, IL Weather Radar Map
Use the map search tool if you want to place a location marker on the radar map...