Allendale, IL 14 Day Weather - 62410 WeatherWorld.com
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Allendale, IL Weather Forecast


Allendale, IL Weather Forecast Dated: 836 AM Wed Sep 09 2026
Expect a hot stretch with a mix of sun and clouds and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate. Isolated storms at times.
Wednesday, September 9, 2026
Mid-Morning
83°F 28°C
Overcast
Mid-Afternoon
91°F 33°C
Cloudy
Early-Evening
83°F 28°C
Partly Cloudy
Sizzling hot near 91°F 33°C with a heat index reaching 95°F 35°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds turning from the SSW to the NW at 16 mph 25 km/h. Gusts up to 26 mph 41 km/h.
Thursday, September 10, 2026
Mid-Morning
75°F 24°C
Overcast
Mid-Afternoon
73°F 23°C
Light Showers
Early-Evening
72°F 23°C
Light Showers
Comfortable with temperatures reaching 73°F 23°C, clouds and showers taking over for the afternoon and evening, with steady humidity and steady pressure. Winds switching from the SSW to the NNE at 2 mph 4 km/h.
Friday, September 11, 2026
Mid-Morning
71°F 21°C
Overcast
Mid-Afternoon
84°F 29°C
Overcast
Early-Evening
78°F 25°C
Overcast
Quite warm around 84°F 29°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure.
Saturday, September 12, 2026
Mid-Morning
75°F 24°C
Partly Cloudy
Mid-Afternoon
90°F 32°C
Partly Cloudy
Early-Evening
82°F 28°C
Overcast
Hot temperatures near 90°F 32°C, partly cloudy in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
79°F 26°C
Overcast
Mid-Afternoon
91°F 33°C
Partly Cloudy
Early-Evening
86°F 30°C
Sunny
Very hot with a high of 91°F 33°C, overcast in the morning, sunny in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds moving from the S to the SSE at 9 mph 14 km/h.
Monday, September 14, 2026
Mid-Morning
82°F 28°C
Partly Cloudy
Mid-Afternoon
96°F 35°C
Partly Cloudy
Early-Evening
88°F 31°C
Scattered Showers
Very hot with temperatures reaching 96°F 35°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds out of the SW at 13 mph 20 km/h. Gusts up to 22 mph 35 km/h.
Tuesday, September 15, 2026
Mid-Morning
81°F 27°C
Scattered Showers
Mid-Afternoon
92°F 33°C
Scattered Showers
Early-Evening
80°F 27°C
Nearby Thunderstorms
Sizzling hot near 92°F 33°C with a heat index reaching 98°F 37°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds shifting from the WSW to the SE at 10 mph 16 km/h. Gusts up to 21 mph 33 km/h.
Wednesday, September 16, 2026
Mid-Morning
68°F 20°C
Sunny
Mid-Afternoon
85°F 29°C
Sunny
Early-Evening
77°F 25°C
Sunny
Quite warm around 85°F 29°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds turning from the NE to the ENE at 9 mph 14 km/h.
Thursday, September 17, 2026
Mid-Morning
72°F 22°C
Sunny
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
84°F 29°C
Sunny
Hot temperatures near 90°F 32°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds switching from the ESE to the SE at 8 mph 12 km/h.
Friday, September 18, 2026
Mid-Morning
84°F 29°C
Sunny
Mid-Afternoon
101°F 38°C
Sunny
Early-Evening
95°F 35°C
Partly Cloudy
Sweltering heat reaching 101°F 38°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling. Winds moving from the SW to the SSE at 7 mph 11 km/h.
Saturday, September 19, 2026
Mid-Morning
88°F 31°C
Sunny
Mid-Afternoon
100°F 38°C
Sunny
Early-Evening
84°F 29°C
Sunny
Sweltering temperatures near 100°F 38°C with a heat index of 103°F 40°C, sunny through the afternoon, turning cloudy this evening, with increasing humidity and steady pressure. Winds swinging from the WNW to the E at 10 mph 16 km/h.
Sunday, September 20, 2026
Mid-Morning
82°F 28°C
Light Fog
Mid-Afternoon
103°F 39°C
Sunny
Early-Evening
93°F 34°C
Overcast
Dangerously hot with a high of 103°F 39°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds shifting from the SSE to the S at 10 mph 16 km/h. Gusts up to 22 mph 35 km/h.
Monday, September 21, 2026
Mid-Morning
91°F 33°C
Sunny
Mid-Afternoon
92°F 34°C
Overcast
Early-Evening
77°F 26°C
Partly Cloudy
Sizzling hot with 92°F 34°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with increasing humidity and steady pressure. Winds turning from the SW to the SE at 16 mph 26 km/h. Gusts up to 28 mph 44 km/h.
Tuesday, September 22, 2026
Mid-Morning
68°F 20°C
Scattered Showers
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
71°F 22°C
Overcast
Mild temperatures up to 77°F 25°C, scattered downpours possible, with lower humidity and steady pressure. Winds NNE at 15 mph 24 km/h. Gusts up to 21 mph 33 km/h.
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