Lyons Lake, IL 14 Day Weather
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Lyons Lake, IL Weather Forecast


Lyons Lake, IL Weather Forecast Dated: 705 AM Sun Sep 06 2026
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.
Sunday, September 6, 2026
Mid-Morning
74°F 24°C
Sunny
Mid-Afternoon
78°F 26°C
Overcast
Early-Evening
72°F 22°C
Sunny
Pleasant near 78°F 26°C, sunny in the morning, overcast in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds out of the E at 11 mph 17 km/h.
Monday, September 7, 2026
Mid-Morning
67°F 19°C
Partly Cloudy
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
72°F 23°C
Sunny
Comfortable with temperatures reaching 75°F 24°C, partly cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds blowing from the SE at 6 mph 9 km/h.
Tuesday, September 8, 2026
Mid-Morning
70°F 21°C
Cloudy
Mid-Afternoon
88°F 31°C
Sunny
Early-Evening
85°F 29°C
Sunny
Quite warm around 88°F 31°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds moving from the S to the SSE at 11 mph 18 km/h. Gusts up to 28 mph 44 km/h.
Wednesday, September 9, 2026
Mid-Morning
73°F 23°C
Light Showers
Mid-Afternoon
85°F 30°C
Partly Cloudy
Early-Evening
76°F 25°C
Overcast
Warm temperatures up to 85°F 30°C, early showers breaking for a drier afternoon, with steady humidity and steady pressure. Winds swinging from the W to the SSW at 6 mph 9 km/h.
Thursday, September 10, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
61°F 16°C
Light Showers
Early-Evening
61°F 16°C
Light Showers
Refreshing around 61°F 16°C, clouds and showers taking over for the afternoon and evening, with steady humidity and barometric pressure rising. Winds shifting from the NW to the E at 6 mph 9 km/h.
Friday, September 11, 2026
Mid-Morning
62°F 17°C
Light Fog
Mid-Afternoon
72°F 22°C
Overcast
Early-Evening
66°F 19°C
Overcast
Pleasant near 72°F 22°C, partly cloudy in the morning, overcast in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds E at 9 mph 15 km/h.
Saturday, September 12, 2026
Mid-Morning
63°F 17°C
Light Fog
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
73°F 23°C
Sunny
Comfortable with temperatures reaching 77°F 25°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling. Winds switching from the ESE to the SE at 10 mph 16 km/h. Gusts up to 24 mph 38 km/h.
Sunday, September 13, 2026
Mid-Morning
74°F 23°C
Sunny
Mid-Afternoon
82°F 28°C
Overcast
Early-Evening
73°F 23°C
Overcast
Quite warm reaching 82°F 28°C, feeling like 86°F 30°C during peak afternoon, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the S to the NW at 10 mph 15 km/h.
Monday, September 14, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
61°F 16°C
Sunny
Mild temperatures up to 68°F 20°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the NNW to the SE at 8 mph 12 km/h.
Tuesday, September 15, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
63°F 18°C
Partly Cloudy
Mild with a high of 69°F 21°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and barometric pressure falling.
Wednesday, September 16, 2026
Mid-Morning
60°F 15°C
Cloudy
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
72°F 22°C
Scattered Showers
Pleasant near 77°F 25°C, scattered downpours possible, with steady humidity and barometric pressure falling.
Thursday, September 17, 2026
Mid-Morning
67°F 20°C
Light Showers
Mid-Afternoon
84°F 29°C
Sunny
Early-Evening
84°F 29°C
Sunny
Very warm near 84°F 29°C, though humidity makes it feel like 90°F 32°C, morning showers, giving way to clearing skies, with lower humidity and barometric pressure falling. Winds out of the SSW at 10 mph 17 km/h. Gusts up to 23 mph 38 km/h.
Friday, September 18, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
94°F 34°C
Sunny
Early-Evening
89°F 32°C
Sunny
Sizzling hot near 94°F 34°C with a heat index reaching 100°F 38°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the SW to the SSE at 7 mph 11 km/h.
Saturday, September 19, 2026
Mid-Morning
82°F 28°C
Cloudy
Mid-Afternoon
94°F 35°C
Overcast
Early-Evening
91°F 33°C
Nearby Thunderstorms
Hot and sweltering around 94°F 35°C (heat index 99°F 37°C), locally heavy thunderstorms at times, with lower humidity and steady pressure. Winds SSW at 11 mph 18 km/h. Gusts up to 28 mph 44 km/h.
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