Lambert, IL 14 Day Weather
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Lambert, IL Weather Forecast


Lambert, IL Weather Forecast Dated: 753 AM Sat Sep 05 2026
Expect a hot stretch with plenty of sunshine and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate. Isolated storms at times.
Saturday, September 5, 2026
Mid-Morning
87°F 31°C
Drizzle
Mid-Afternoon
102°F 39°C
Overcast
Early-Evening
91°F 33°C
Sunny
Scorching hot near 102°F 39°C, early showers breaking for a drier afternoon, with steady humidity and steady pressure.
Sunday, September 6, 2026
Mid-Morning
78°F 26°C
Sunny
Mid-Afternoon
93°F 34°C
Sunny
Early-Evening
84°F 29°C
Overcast
Hot and sweltering around 93°F 34°C, sunny through the afternoon, turning overcast this evening, with lower humidity and steady pressure. Winds turning from the ENE to the NE at 13 mph 21 km/h. Gusts up to 22 mph 34 km/h.
Monday, September 7, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
82°F 28°C
Sunny
Sizzling hot with 91°F 33°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds switching from the ENE to the NE at 8 mph 13 km/h.
Tuesday, September 8, 2026
Mid-Morning
78°F 25°C
Sunny
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
91°F 33°C
Sunny
Hot temperatures near 98°F 37°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds moving from the SSE to the S at 8 mph 13 km/h.
Wednesday, September 9, 2026
Mid-Morning
84°F 29°C
Sunny
Mid-Afternoon
100°F 38°C
Overcast
Early-Evening
92°F 33°C
Sunny
Scorching hot near 100°F 38°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds easing from SW 16 mph 25 km/h to WNW 6 mph 10 km/h.
Thursday, September 10, 2026
Mid-Morning
80°F 27°C
Overcast
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
90°F 32°C
Sunny
Very hot with temperatures reaching 98°F 37°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds blowing from the NNE at 6 mph 10 km/h.
Friday, September 11, 2026
Mid-Morning
77°F 25°C
Scattered Showers
Mid-Afternoon
100°F 38°C
Light Showers
Early-Evening
96°F 36°C
Scattered Showers
Dangerously hot temperatures around 100°F 38°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling.
Saturday, September 12, 2026
Mid-Morning
90°F 32°C
Sunny
Mid-Afternoon
106°F 41°C
Sunny
Early-Evening
88°F 31°C
Sunny
Dangerously hot with a high of 106°F 41°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the WNW to the ENE at 15 mph 24 km/h. Gusts up to 26 mph 41 km/h.
Sunday, September 13, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
93°F 34°C
Sunny
Hot temperatures near 99°F 37°C, sunny throughout the day, with lower humidity and steady pressure. Winds switching from the ESE to the E at 9 mph 15 km/h. Gusts up to 20 mph 31 km/h.
Monday, September 14, 2026
Mid-Morning
87°F 31°C
Sunny
Mid-Afternoon
106°F 41°C
Sunny
Early-Evening
97°F 36°C
Sunny
Sweltering heat reaching 106°F 41°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds moving from the SSW to the S at 10 mph 15 km/h.
Tuesday, September 15, 2026
Mid-Morning
89°F 31°C
Overcast
Mid-Afternoon
101°F 39°C
Cloudy
Early-Evening
87°F 31°C
Sunny
Sweltering temperatures near 101°F 39°C with a heat index of 104°F 40°C, overcast in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds swinging from the WSW to the W at 8 mph 13 km/h.
Wednesday, September 16, 2026
Mid-Morning
84°F 29°C
Overcast
Mid-Afternoon
102°F 39°C
Sunny
Early-Evening
84°F 29°C
Nearby Thunderstorms
Dangerously hot with a high of 102°F 39°C (heat index near 105°F 41°C), heavy thunderstorms conditions at times, with steady humidity and barometric pressure falling. Winds picking up from SSW at 7 mph 12 km/h to SSW at 15 mph 25 km/h. Gusts up to 27 mph 43 km/h.
Thursday, September 17, 2026
Mid-Morning
77°F 25°C
Light Showers
Mid-Afternoon
95°F 35°C
Overcast
Early-Evening
89°F 31°C
Sunny
Sizzling hot near 95°F 35°C with a heat index reaching 100°F 38°C, early showers breaking for a drier afternoon, with lower humidity and barometric pressure falling. Winds turning from the SSW to the S at 9 mph 14 km/h.
Friday, September 18, 2026
Mid-Morning
83°F 28°C
Overcast
Mid-Afternoon
99°F 37°C
Sunny
Early-Evening
92°F 33°C
Sunny
Hot temperatures near 99°F 37°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure.
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