Strawn, IL 14 Day Weather - 61775 WeatherWorld.com
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Strawn, IL Weather Forecast


Strawn, IL Weather Forecast Dated: 259 PM Thu Sep 03 2026
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Thursday, September 3, 2026
Mid-Morning
83°F 29°C
Sunny
Mid-Afternoon
95°F 35°C
Sunny
Early-Evening
86°F 30°C
Sunny
Sizzling hot near 95°F 35°C with a heat index reaching 107°F 42°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the WSW to the SSE at 7 mph 11 km/h.
Friday, September 4, 2026
Mid-Morning
82°F 28°C
Sunny
Mid-Afternoon
90°F 32°C
Nearby Thunderstorms
Early-Evening
86°F 30°C
Cloudy
Hot and sweltering around 90°F 32°C (heat index 97°F 36°C), locally heavy thunderstorms at times, with steady humidity and steady pressure. Winds switching from the WSW to the S at 5 mph 8 km/h.
Saturday, September 5, 2026
Mid-Morning
77°F 25°C
Scattered Showers
Mid-Afternoon
89°F 31°C
Sunny
Early-Evening
79°F 26°C
Sunny
Very warm near 89°F 31°C, though humidity makes it feel like 94°F 35°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds increasing from the ESE at 3 mph 5 km/h to NE at 11 mph 17 km/h. Gusts up to 20 mph 33 km/h.
Sunday, September 6, 2026
Mid-Morning
67°F 20°C
Sunny
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
72°F 22°C
Sunny
Mild temperatures up to 79°F 26°C, sunny throughout the day, with steady humidity and steady pressure. Winds out of the ENE at 10 mph 16 km/h.
Monday, September 7, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
72°F 22°C
Sunny
Mild with a high of 77°F 25°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds shifting from the E to the ESE at 7 mph 11 km/h.
Tuesday, September 8, 2026
Mid-Morning
69°F 21°C
Overcast
Mid-Afternoon
81°F 27°C
Cloudy
Early-Evening
79°F 26°C
Overcast
Warm and summery near 81°F 27°C, overcast through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling. Winds SSE at 8 mph 13 km/h. Gusts up to 22 mph 36 km/h.
Wednesday, September 9, 2026
Mid-Morning
80°F 27°C
Overcast
Mid-Afternoon
91°F 33°C
Sunny
Early-Evening
86°F 31°C
Overcast
Sizzling hot near 91°F 33°C with a heat index reaching 95°F 35°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds switching from the SW to the ESE at 6 mph 10 km/h.
Thursday, September 10, 2026
Mid-Morning
74°F 24°C
Scattered Showers
Mid-Afternoon
78°F 26°C
Overcast
Early-Evening
72°F 22°C
Overcast
Enjoyable around 78°F 26°C, scattered downpours possible, with steady humidity and steady pressure. Winds moving from the SE to the NNW at 8 mph 13 km/h.
Friday, September 11, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
74°F 24°C
Partly Cloudy
Early-Evening
72°F 22°C
Cloudy
Mild temperatures up to 74°F 24°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure.
Saturday, September 12, 2026
Mid-Morning
68°F 20°C
Cloudy
Mid-Afternoon
80°F 27°C
Light Showers
Early-Evening
76°F 25°C
Scattered Showers
Very warm with a high of 80°F 27°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds SSE at 11 mph 17 km/h. Gusts up to 24 mph 38 km/h.
Sunday, September 13, 2026
Mid-Morning
74°F 24°C
Scattered Showers
Mid-Afternoon
85°F 30°C
Scattered Showers
Early-Evening
80°F 27°C
Cloudy
Quite warm reaching 85°F 30°C, feeling like 89°F 32°C during peak afternoon, scattered downpours possible, with steady humidity and steady pressure. Winds shifting from the SSW to the WSW at 7 mph 11 km/h.
Monday, September 14, 2026
Mid-Morning
75°F 24°C
Overcast
Mid-Afternoon
85°F 30°C
Sunny
Early-Evening
73°F 23°C
Sunny
Very warm near 85°F 30°C, though humidity makes it feel like 90°F 32°C, overcast in the morning, sunny in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds turning from the SW to the WSW at 16 mph 26 km/h. Gusts up to 27 mph 43 km/h.
Tuesday, September 15, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
71°F 21°C
Sunny
Early-Evening
65°F 19°C
Sunny
Enjoyable around 71°F 21°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the W to the WNW at 10 mph 16 km/h. Gusts up to 21 mph 34 km/h.
Wednesday, September 16, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
63°F 17°C
Cloudy
Mildly cool near 66°F 19°C, sunny in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the NW to the NNW at 7 mph 11 km/h.
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