Belknap, IL 14 Day Weather - 62908 WeatherWorld.com
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Belknap, IL Weather Forecast


Belknap, IL Weather Forecast Dated: 513 PM Thu Sep 10 2026
Expect a very warm period with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate. Isolated storms at times.
Thursday, September 10, 2026
Mid-Morning
80°F 27°C
Sunny
Mid-Afternoon
76°F 24°C
Heavy Rain
Early-Evening
77°F 25°C
Heavy Rain At Times
Pleasant near 76°F 24°C, drier morning followed by showers lasting through evening, with steady humidity and steady pressure. A stray shower or storm late in the day. Winds turning from the SW to the NNE at 8 mph 12 km/h.
Friday, September 11, 2026
Mid-Morning
71°F 22°C
Light Fog
Mid-Afternoon
72°F 22°C
Light Showers
Early-Evening
72°F 22°C
Light Showers
Comfortable with temperatures reaching 72°F 22°C, clouds and showers taking over for the afternoon and evening, with steady humidity and steady pressure.
Saturday, September 12, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
81°F 28°C
Scattered Showers
Very warm near 89°F 32°C, though humidity makes it feel like 92°F 33°C, locally heavy downpours at times, with lower humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
80°F 27°C
Sunny
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
90°F 32°C
Sunny
Hot temperatures near 98°F 37°C, sunny throughout the day, with lower humidity and steady pressure.
Monday, September 14, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
100°F 38°C
Partly Cloudy
Early-Evening
94°F 34°C
Overcast
Scorching hot near 100°F 38°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds switching from the SW to the SSE at 6 mph 10 km/h.
Tuesday, September 15, 2026
Mid-Morning
86°F 30°C
Sunny
Mid-Afternoon
95°F 35°C
Sunny
Early-Evening
84°F 29°C
Overcast
Very hot with a high of 95°F 35°C, feeling closer to 98°F 37°C in the humidity, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds moving from the SSW to the WNW at 9 mph 14 km/h.
Wednesday, September 16, 2026
Mid-Morning
80°F 27°C
Partly Cloudy
Mid-Afternoon
94°F 34°C
Sunny
Early-Evening
79°F 26°C
Scattered Showers
Sizzling hot near 94°F 34°C with a heat index reaching 99°F 37°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds swinging from the WSW to the NE at 9 mph 14 km/h.
Thursday, September 17, 2026
Mid-Morning
71°F 22°C
Light Showers
Mid-Afternoon
79°F 26°C
Overcast
Early-Evening
75°F 24°C
Overcast
Enjoyable around 79°F 26°C, scattered morning showers before drying out later, with lower humidity and steady pressure. Winds shifting from the NNE to the NE at 9 mph 14 km/h.
Friday, September 18, 2026
Mid-Morning
69°F 21°C
Overcast
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
75°F 24°C
Overcast
Warm temperatures up to 81°F 27°C, partly cloudy in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling. Winds NE at 8 mph 13 km/h.
Saturday, September 19, 2026
Mid-Morning
66°F 19°C
Overcast
Mid-Afternoon
74°F 24°C
Overcast
Early-Evening
72°F 23°C
Overcast
Mild with a high of 74°F 24°C, overcast throughout the day, with steady humidity and steady pressure. Winds switching from the NE to the SE at 5 mph 9 km/h.
Sunday, September 20, 2026
Mid-Morning
71°F 21°C
Cloudy
Mid-Afternoon
74°F 24°C
Overcast
Early-Evening
68°F 20°C
Light Showers
Pleasant near 74°F 24°C, mainly dry until evening showers arrive, with increasing humidity and steady pressure. Winds moving from the NE to the ENE at 9 mph 15 km/h. Gusts up to 21 mph 33 km/h.
Monday, September 21, 2026
Mid-Morning
66°F 19°C
Light Showers
Mid-Afternoon
69°F 21°C
Fog
Early-Evening
69°F 21°C
Light Showers
Comfortable with temperatures reaching 69°F 21°C, passing showers during morning and evening, with a dry break midday, with steady humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
68°F 20°C
Light Showers
Mid-Afternoon
82°F 28°C
Scattered Showers
Early-Evening
75°F 24°C
Sunny
Quite warm around 82°F 28°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure.
Wednesday, September 23, 2026
Mid-Morning
61°F 16°C
Fog
Mid-Afternoon
74°F 24°C
Sunny
Early-Evening
67°F 19°C
Sunny
Mild temperatures up to 74°F 24°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds NNW at 12 mph 19 km/h.
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