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Stephen Decatur High School, IL Weather Forecast
Stephen Decatur High School, IL Weather Forecast Dated: 819 PM Thu Aug 27 2026 (Stephen Decatur High School Time)
Thu, 27th Lo: 17°C63°F Hi: 29°C85°F |
Sunny Thursday, temperatures as high as 85°F29°C, low temperature around 63°F17°C, chance of rain 4%, wind out of the NNW 7 mph11 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 56%. |
| Fri, 28th Lo: 17°C63°F Hi: 27°C80°F |
Sunny Friday, temperatures as high as 80°F27°C, low temperature around 63°F17°C, chance of rain 3%, wind out of the NE 5 mph8 km/h. Barometric pressure 30.12 in1020 mb, visibility 6 mi10 km, humidity 56%. |
Sat, 29th Lo: 17°C62°F Hi: 28°C83°F |
Overcast Saturday, temperatures as high as 83°F28°C, low temperature around 62°F17°C, chance of rain 13%, wind out of the SSW 4 mph6 km/h. Barometric pressure 30.12 in1020 mb, visibility 6 mi10 km, humidity 54%. |
Sun, 30th Lo: 21°C69°F Hi: 34°C93°F |
Cloudy Sunday, temperatures as high as 93°F34°C, low temperature around 69°F21°C, chance of rain 8%, wind out of the SSW 15 mph24 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 38%. |
Mon, 31st Lo: 26°C78°F Hi: 36°C97°F |
Partly Cloudy Monday, temperatures as high as 97°F36°C, low temperature around 78°F26°C, chance of rain 3%, wind out of the SW 18 mph29 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 36%. |
| Tue, 1st Lo: 27°C80°F Hi: 39°C102°F |
Sunny Tuesday, temperatures as high as 102°F39°C, low temperature around 80°F27°C, chance of rain 1%, wind out of the WSW 13 mph21 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 34%. |
| Wed, 2nd Lo: 26°C79°F Hi: 38°C100°F |
Sunny Wednesday, temperatures as high as 100°F38°C, low temperature around 79°F26°C, wind out of the SW 14 mph23 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 32%. |
| Thu, 3rd Lo: 27°C80°F Hi: 38°C101°F |
Sunny Thursday, temperatures as high as 101°F38°C, low temperature around 80°F27°C, wind out of the SW 13 mph21 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 31%. |
| Fri, 4th Lo: 27°C81°F Hi: 38°C100°F |
Sunny Friday, temperatures as high as 100°F38°C, low temperature around 81°F27°C, chance of rain 2%, wind out of the W 11 mph18 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 30%. |
Sat, 5th Lo: 25°C76°F Hi: 36°C97°F |
Chance of showers Saturday, temperatures as high as 97°F36°C, low temperature around 76°F25°C, chance of rain 3%, wind out of the WNW 7 mph12 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 37%. |
| Sun, 6th Lo: 23°C73°F Hi: 36°C97°F |
Chance of showers Sunday, temperatures as high as 97°F36°C, low temperature around 73°F23°C, chance of rain 6%, wind out of the SSE 4 mph6 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 41%. |
| Mon, 7th Lo: 24°C75°F Hi: 37°C98°F |
Sunny Monday, temperatures as high as 98°F37°C, low temperature around 75°F24°C, chance of rain 1%, wind out of the SSE 5 mph9 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 44%. |
| Tue, 8th Lo: 25°C77°F Hi: 38°C100°F |
Sunny Tuesday, temperatures as high as 100°F38°C, low temperature around 77°F25°C, chance of rain 1%, wind out of the SSE 6 mph10 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 40%. |
| Wed, 9th Lo: 25°C77°F Hi: 38°C101°F |
Chance of showers Wednesday, temperatures as high as 101°F38°C, low temperature around 77°F25°C, chance of rain 6%, wind out of the SW 10 mph15 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 31%. |
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