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Oldtown, IL 14 Day Weather - WeatherWorld.com
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Oldtown, IL Weather Forecast
Oldtown, IL Weather Forecast Dated: 749 PM 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.
Wednesday, September 9, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
95°F 35°C
Partly Cloudy
Early-Evening
81°F 27°C
Scattered Showers
Sizzling hot near 95°F 35°C with a heat index reaching 104°F 40°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds turning from the SW to the NW at 7 mph 11 km/h.
Thursday, September 10, 2026
Mid-Morning
73°F 23°C
Overcast
Mid-Afternoon
87°F 30°C
Sunny
Early-Evening
77°F 25°C
Scattered Showers
Quite warm reaching 87°F 30°C, feeling like 90°F 32°C during peak afternoon, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the SE to the N at 4 mph 6 km/h.
Friday, September 11, 2026
Mid-Morning
69°F 21°C
Light Fog
Mid-Afternoon
79°F 26°C
Scattered Showers
Early-Evening
74°F 24°C
Overcast
Enjoyable around 79°F 26°C, locally heavy downpours at times, with steady humidity and steady pressure.
Saturday, September 12, 2026
Mid-Morning
70°F 21°C
Overcast
Mid-Afternoon
85°F 30°C
Overcast
Early-Evening
81°F 27°C
Scattered Showers
Warm and summery around 85°F 30°C (feels like 90°F 32°C), periods of heavy rain and gusty conditions, with lower humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
74°F 23°C
Overcast
Mid-Afternoon
94°F 34°C
Partly Cloudy
Early-Evening
85°F 30°C
Overcast
Hot and sweltering around 94°F 34°C (heat index 97°F 36°C), overcast in the morning, becoming cloudy through the afternoon and evening, with lower humidity and steady pressure.
Monday, September 14, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
94°F 34°C
Sunny
Early-Evening
87°F 31°C
Overcast
Very hot with a high of 94°F 34°C, feeling closer to 97°F 36°C in the humidity, cloudy throughout the day, with steady humidity and steady pressure.
Tuesday, September 15, 2026
Mid-Morning
83°F 28°C
Sunny
Mid-Afternoon
94°F 35°C
Partly Cloudy
Early-Evening
86°F 30°C
Overcast
Sizzling hot near 94°F 35°C with a heat index reaching 97°F 36°C, cloudy through the afternoon, turning overcast this evening, with steady humidity and steady pressure. Winds moving from the SW to the N at 6 mph 9 km/h.
Wednesday, September 16, 2026
Mid-Morning
74°F 23°C
Fog
Mid-Afternoon
90°F 32°C
Partly Cloudy
Early-Evening
81°F 27°C
Sunny
Hot and sweltering around 90°F 32°C (heat index 94°F 35°C), overcast in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds swinging from the NNE to the N at 8 mph 12 km/h.
Thursday, September 17, 2026
Mid-Morning
77°F 25°C
Overcast
Mid-Afternoon
89°F 31°C
Cloudy
Early-Evening
81°F 27°C
Partly Cloudy
Warm temperatures up to 89°F 31°C, partly cloudy in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds blowing from the NNE at 8 mph 13 km/h.
Friday, September 18, 2026
Mid-Morning
74°F 24°C
Partly Cloudy
Mid-Afternoon
89°F 32°C
Sunny
Early-Evening
82°F 28°C
Sunny
Very warm with a high of 89°F 32°C, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and barometric pressure falling.
Saturday, September 19, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
100°F 38°C
Partly Cloudy
Early-Evening
92°F 34°C
Overcast
Dangerously hot temperatures around 100°F 38°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds turning from the SSW to the SW at 7 mph 12 km/h.
Sunday, September 20, 2026
Mid-Morning
86°F 30°C
Sunny
Mid-Afternoon
103°F 40°C
Sunny
Early-Evening
92°F 34°C
Sunny
Dangerously hot with a high of 103°F 40°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the WSW to the SSW at 7 mph 11 km/h.
Monday, September 21, 2026
Mid-Morning
86°F 30°C
Overcast
Mid-Afternoon
95°F 35°C
Sunny
Early-Evening
76°F 25°C
Partly Cloudy
Sizzling hot with 95°F 35°C, partly cloudy through the afternoon, turning overcast this evening, with increasing humidity and steady pressure. Winds building from SSE at 2 mph 3 km/h to SSW at 11 mph 17 km/h. Gusts up to 23 mph 37 km/h.
Tuesday, September 22, 2026
Mid-Morning
74°F 23°C
Overcast
Mid-Afternoon
77°F 25°C
Scattered Showers
Early-Evening
75°F 24°C
Scattered Showers
Mild temperatures up to 77°F 25°C, scattered downpours possible, with steady humidity and steady pressure. Winds NNW at 8 mph 12 km/h.
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