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Glass Lake, IL 14 Day Weather
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Glass Lake, IL Weather Forecast
Glass Lake, IL Weather Forecast Dated: 526 AM Tue Sep 01 2026 (Glass Lake Time)
Expect a very warm period with a mix of sun and clouds and mostly dry weather over the next two weeks. moderate humidity and no major pressure swings will dominate.
Tuesday, September 1, 2026
Mid-Morning
80°F 27°C
Cloudy
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
89°F 32°C
Sunny
Hot with mostly cloudy skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and barometric pressure falling. Winds shifting from W to SSE at 10 mph 15 km/h.
Wednesday, September 2, 2026
Mid-Morning
81°F 27°C
Partly Cloudy
Mid-Afternoon
96°F 35°C
Sunny
Early-Evening
89°F 32°C
Sunny
Hot with partly sunny skies in the morning, mostly sunny in the afternoon, and partly sunny in the evening, steady humidity and steady pressure. Winds shifting from SW to NNE at 7 mph 12 km/h.
Thursday, September 3, 2026
Mid-Morning
80°F 27°C
Sunny
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
86°F 30°C
Sunny
Hot with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure. Winds shifting from WSW to SE at 10 mph 16 km/h.
Friday, September 4, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
91°F 33°C
Nearby Thunderstorms
Early-Evening
87°F 31°C
Sunny
Hot with cloudy skies, steady humidity and steady pressure. Isolated thunderstorms possible. Winds shifting from WSW to ESE at 9 mph 14 km/h.
Saturday, September 5, 2026
Mid-Morning
77°F 25°C
Scattered Showers
Mid-Afternoon
83°F 28°C
Nearby Thunderstorms
Early-Evening
73°F 23°C
Nearby Thunderstorms
Very warm with cloudy skies, increasing humidity and steady pressure. A few pop-up thunderstorms. Winds increasing from the SE at 6 mph 9 km/h to E at 14 mph 21 km/h.
Sunday, September 6, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
72°F 22°C
Sunny
Warm with mostly sunny skies in the morning, mostly sunny in the afternoon, and mostly cloudy in the evening, steady humidity and steady pressure. Winds E at 11 mph 18 km/h.
Monday, September 7, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
83°F 28°C
Overcast
Early-Evening
83°F 28°C
Overcast
Very warm with overcast skies, lower humidity and barometric pressure falling. Winds SSW at 12 mph 19 km/h.
Tuesday, September 8, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
103°F 39°C
Sunny
Early-Evening
95°F 35°C
Sunny
Dangerously hot with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and barometric pressure falling. Winds shifting from SW to S at 11 mph 17 km/h.
Wednesday, September 9, 2026
Mid-Morning
86°F 30°C
Sunny
Mid-Afternoon
106°F 41°C
Sunny
Early-Evening
95°F 36°C
Sunny
Dangerously hot with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, lower humidity and steady pressure. Winds shifting from WSW to SSW at 12 mph 20 km/h.
Thursday, September 10, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
77°F 25°C
Scattered Showers
Early-Evening
70°F 22°C
Sunny
Warm with a mix of sun and clouds, lower humidity and steady pressure. Scattered showers, some areas remaining dry. Winds shifting from N to NNW at 8 mph 12 km/h.
Friday, September 11, 2026
Mid-Morning
67°F 19°C
Partly Cloudy
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
73°F 23°C
Sunny
Very warm with mostly sunny skies in the morning, then mostly sunny for the afternoon and evening, steady humidity and steady pressure. Winds shifting from NNW to ENE at 6 mph 10 km/h.
Saturday, September 12, 2026
Mid-Morning
67°F 20°C
Sunny
Mid-Afternoon
82°F 28°C
Overcast
Early-Evening
76°F 25°C
Sunny
Very warm with overcast skies, steady humidity and steady pressure. Winds S at 6 mph 9 km/h.
Sunday, September 13, 2026
Mid-Morning
69°F 21°C
Cloudy
Mid-Afternoon
87°F 31°C
Overcast
Early-Evening
85°F 30°C
Overcast
Very warm with overcast skies, lower humidity and barometric pressure falling. Winds S at 13 mph 21 km/h.
Monday, September 14, 2026
Mid-Morning
65°F 19°C
Overcast
Mid-Afternoon
74°F 24°C
Cloudy
Early-Evening
66°F 19°C
Sunny
Warm with mostly cloudy skies, lower humidity and steady pressure. Winds decreasing from N 15 mph 24 km/h to N 7 mph 11 km/h.
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