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Barrow, IL Weather Forecast
Barrow, IL Weather Forecast Dated: 518 PM Wed Sep 02 2026 (Barrow Time)
Expect a hot stretch with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate. Isolated storms at times.
Wednesday, September 2, 2026
Mid-Morning
86°F 30°C
Sunny
Mid-Afternoon
102°F 39°C
Sunny
Early-Evening
92°F 33°C
Sunny
Scorching heat reaching 102°F 39°C, feeling like 110°F 43°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds turning from the SW to the S at 11 mph 18 km/h.
Thursday, September 3, 2026
Mid-Morning
87°F 30°C
Sunny
Mid-Afternoon
102°F 39°C
Partly Cloudy
Early-Evening
95°F 35°C
Sunny
Sweltering heat reaching 102°F 39°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds switching from the SW to the S at 11 mph 19 km/h. Gusts up to 22 mph 36 km/h.
Friday, September 4, 2026
Mid-Morning
84°F 29°C
Cloudy
Mid-Afternoon
103°F 40°C
Sunny
Early-Evening
96°F 36°C
Partly Cloudy
Dangerously hot temperatures around 103°F 40°C, overcast in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds moving from the WSW to the SSW at 10 mph 16 km/h.
Saturday, September 5, 2026
Mid-Morning
85°F 29°C
Scattered Showers
Mid-Afternoon
102°F 39°C
Scattered Showers
Early-Evening
80°F 27°C
Light Showers
Dangerously hot with a high of 102°F 39°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. A stray shower or storm late in the day. Winds swinging from the WSW to the NE at 10 mph 16 km/h.
Sunday, September 6, 2026
Mid-Morning
78°F 26°C
Sunny
Mid-Afternoon
94°F 35°C
Sunny
Early-Evening
86°F 30°C
Sunny
Hot and sweltering around 94°F 35°C (heat index 100°F 38°C), sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds shifting from the E to the ENE at 10 mph 16 km/h. Gusts up to 20 mph 31 km/h.
Monday, September 7, 2026
Mid-Morning
75°F 24°C
Scattered Showers
Mid-Afternoon
93°F 34°C
Scattered Showers
Early-Evening
87°F 31°C
Sunny
Very hot with temperatures reaching 93°F 34°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds ESE at 11 mph 18 km/h. Gusts up to 23 mph 38 km/h.
Tuesday, September 8, 2026
Mid-Morning
87°F 31°C
Partly Cloudy
Mid-Afternoon
104°F 40°C
Partly Cloudy
Early-Evening
97°F 36°C
Overcast
Dangerously hot temperatures around 104°F 40°C, cloudy through the afternoon, turning sunny this evening, with lower humidity and steady pressure. Winds out of the SW at 13 mph 21 km/h. Gusts up to 27 mph 43 km/h.
Wednesday, September 9, 2026
Mid-Morning
85°F 30°C
Partly Cloudy
Mid-Afternoon
96°F 36°C
Overcast
Early-Evening
86°F 30°C
Light Showers
Hot and sweltering around 96°F 36°C (heat index 102°F 39°C), mainly dry until evening showers arrive, with increasing humidity and steady pressure. Winds moving from the SSW to the ESE at 8 mph 13 km/h.
Thursday, September 10, 2026
Mid-Morning
85°F 29°C
Scattered Showers
Mid-Afternoon
101°F 38°C
Cloudy
Early-Evening
86°F 30°C
Scattered Showers
Scorching hot near 101°F 38°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds swinging from the SW to the NNE at 8 mph 12 km/h.
Friday, September 11, 2026
Mid-Morning
82°F 28°C
Light Fog
Mid-Afternoon
103°F 39°C
Sunny
Early-Evening
95°F 35°C
Scattered Showers
Sweltering heat reaching 103°F 39°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling. Winds shifting from the SE to the S at 8 mph 13 km/h.
Saturday, September 12, 2026
Mid-Morning
87°F 30°C
Sunny
Mid-Afternoon
101°F 39°C
Sunny
Early-Evening
91°F 33°C
Overcast
Dangerously hot temperatures around 101°F 39°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds turning from the SW to the WSW at 12 mph 19 km/h.
Sunday, September 13, 2026
Mid-Morning
77°F 25°C
Scattered Showers
Mid-Afternoon
75°F 24°C
Heavy Rain Showers
Early-Evening
77°F 25°C
Light Showers
Comfortable with temperatures reaching 75°F 24°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds switching from the SW to the ESE at 8 mph 13 km/h.
Monday, September 14, 2026
Mid-Morning
68°F 20°C
Light Showers
Mid-Afternoon
68°F 20°C
Light Showers
Early-Evening
69°F 20°C
Light Showers
Enjoyable around 68°F 20°C, rounds of showers expected off and on all day, with steady humidity and steady pressure.
Tuesday, September 15, 2026
Mid-Morning
67°F 19°C
Light Fog
Mid-Afternoon
74°F 24°C
Overcast
Early-Evening
73°F 23°C
Overcast
Mild temperatures up to 74°F 24°C, overcast throughout the day, with lower humidity and steady pressure.
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