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Illinois City, IL Weather Forecast


Illinois City, IL Weather Forecast Dated: 1124 PM Tue Mar 03 2026 (Illinois City Time)
| Tue, 3rd Lo: 3°C38°F Hi: 9°C48°F |
Chance of showers Tuesday, temperatures as high as 48°F9°C, low temperature around 38°F3°C, chance of rain 73%, wind out of the E 7 mph11 km/h. Barometric pressure 30.15 in1021 mb, visibility 6 mi10 km, humidity 79%. |
| Wed, 4th Lo: 1°C34°F Hi: 7°C45°F |
Overcast Wednesday, temperatures as high as 45°F7°C, low temperature around 34°F1°C, wind out of the E 9 mph15 km/h. Barometric pressure 30.12 in1020 mb, visibility 6 mi10 km, humidity 89%. |
| Thu, 5th Lo: 4°C38°F Hi: 13°C56°F |
Fog Thursday, temperatures as high as 56°F13°C, low temperature around 38°F4°C, wind out of the SE 8 mph13 km/h. Barometric pressure 30 in1016 mb, visibility 4 mi7 km, humidity 84%. |
| Fri, 6th Lo: 10°C50°F Hi: 19°C67°F |
Rain showers Friday, temperatures as high as 67°F19°C, low temperature around 50°F10°C, chance of rain 89%, wind out of the S 23 mph38 km/h. Barometric pressure 29.8 in1009 mb, visibility 6 mi10 km, humidity 91%. |
| Sat, 7th Lo: 4°C40°F Hi: 10°C50°F |
Rain showers Saturday, temperatures as high as 50°F10°C, low temperature around 40°F4°C, chance of rain 80%, wind out of the WNW 24 mph39 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 59%. |
| Sun, 8th Lo: 2°C36°F Hi: 16°C61°F |
Sunny Sunday, temperatures as high as 61°F16°C, low temperature around 36°F2°C, wind out of the SSW 17 mph28 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi10 km, humidity 53%. |
| Mon, 9th Lo: 9°C49°F Hi: 23°C73°F |
Partly Cloudy Monday, temperatures as high as 73°F23°C, low temperature around 49°F9°C, wind out of the SSW 23 mph37 km/h. Barometric pressure 29.77 in1008 mb, visibility 6 mi10 km, humidity 75%. |
| Tue, 10th Lo: 4°C39°F Hi: 18°C64°F |
Rain showers Tuesday, temperatures as high as 64°F18°C, low temperature around 39°F4°C, chance of rain 84%, wind out of the SSE 19 mph31 km/h. Barometric pressure 29.83 in1010 mb, visibility 6 mi10 km, humidity 82%. |
| Wed, 11th Lo: -0°C32°F Hi: 6°C44°F |
Partly Cloudy Wednesday, temperatures as high as 44°F6°C, low temperature around 32°F-0°C, wind out of the ENE 12 mph19 km/h. Barometric pressure 30.3 in1026 mb, visibility 6 mi10 km, humidity 60%. |
| Thu, 12th Lo: 1°C33°F Hi: 13°C56°F |
Sunny Thursday, temperatures as high as 56°F13°C, low temperature around 33°F1°C, wind out of the SE 11 mph17 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 71%. |
| Fri, 13th Lo: 8°C46°F Hi: 16°C60°F |
Cloudy Friday, temperatures as high as 60°F16°C, low temperature around 46°F8°C, wind out of the SSW 6 mph10 km/h. Barometric pressure 29.74 in1007 mb, visibility 5 mi8 km, humidity 83%. |
| Sat, 14th Lo: 2°C35°F Hi: 7°C45°F |
Chance of showers Saturday, temperatures as high as 45°F7°C, low temperature around 35°F2°C, chance of rain 79%, wind out of the NE 20 mph32 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi9 km, humidity 79%. |
| Sun, 15th Lo: -1°C31°F Hi: 1°C34°F |
Ice pellets Sunday, temperatures as high as 34°F1°C, low temperature around 31°F-1°C, probability of precipitation 62%, wind out of the NE 17 mph28 km/h. Barometric pressure 30.3 in1026 mb, visibility 5 mi8 km, humidity 86%. |
| Mon, 16th Lo: -2°C28°F Hi: 4°C39°F |
Overcast Monday, temperatures as high as 39°F4°C, low temperature around 28°F-2°C, wind out of the ENE 15 mph24 km/h. Barometric pressure 30.33 in1027 mb, visibility 6 mi10 km, humidity 77%. |
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