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Monticello, IL Weather Forecast
Monticello, IL Weather Forecast Dated: 1218 AM Tue Mar 03 2026 (Monticello Time)
Tue, 3rd Lo: 3°C37°F Hi: 5°C41°F |
Heavy rain Tuesday, temperatures as high as 41°F5°C, low temperature around 37°F3°C, chance of rain 89%, wind out of the ESE 9 mph14 km/h. Barometric pressure 30.15 in1021 mb, visibility 4 mi6 km, humidity 97%. |
| Wed, 4th Lo: 3°C38°F Hi: 6°C44°F |
Heavy rain Wednesday, temperatures as high as 44°F6°C, low temperature around 38°F3°C, chance of rain 89%, wind out of the ESE 9 mph15 km/h. Barometric pressure 30.12 in1020 mb, visibility 2 mi4 km, humidity 96%. |
| Thu, 5th Lo: 5°C40°F Hi: 8°C46°F |
Moderate rain Thursday, temperatures as high as 46°F8°C, low temperature around 40°F5°C, chance of rain 87%, wind out of the SW 13 mph21 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 96%. |
| Fri, 6th Lo: 8°C47°F Hi: 22°C72°F |
Moderate rain Friday, temperatures as high as 72°F22°C, low temperature around 47°F8°C, chance of rain 87%, wind out of the SSE 18 mph30 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 86%. |
| Sat, 7th Lo: 10°C49°F Hi: 20°C68°F |
Moderate rain Saturday, temperatures as high as 68°F20°C, low temperature around 49°F10°C, chance of rain 88%, wind out of the SW 21 mph33 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi9 km, humidity 79%. |
Sun, 8th Lo: 6°C42°F Hi: 17°C62°F |
Sunny Sunday, temperatures as high as 62°F17°C, low temperature around 42°F6°C, wind out of the SSW 13 mph21 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 67%, uv index 4. |
| Mon, 9th Lo: 10°C50°F Hi: 16°C61°F |
Sunny Monday, temperatures as high as 61°F16°C, low temperature around 50°F10°C, wind out of the W 15 mph23 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 60%, uv index 4. |
Tue, 10th Lo: 11°C51°F Hi: 24°C76°F |
Patchy rain nearby Tuesday, temperatures as high as 76°F24°C, low temperature around 51°F11°C, chance of rain 78%, wind out of the S 28 mph46 km/h. Barometric pressure 29.8 in1009 mb, visibility 6 mi10 km, humidity 73%. |
| Wed, 11th Lo: 4°C38°F Hi: 18°C65°F |
Moderate rain Wednesday, temperatures as high as 65°F18°C, low temperature around 38°F4°C, chance of rain 84%, wind out of the W 30 mph48 km/h. Barometric pressure 29.68 in1005 mb, visibility 5 mi8 km, humidity 82%. |
| Thu, 12th Lo: 1°C34°F Hi: 8°C46°F |
Sunny Thursday, temperatures as high as 46°F8°C, low temperature around 34°F1°C, wind out of the SSW 13 mph21 km/h. Barometric pressure 30.12 in1020 mb, visibility 6 mi10 km, humidity 61%, uv index 2. |
| Fri, 13th Lo: 2°C36°F Hi: 16°C61°F |
Sunny Friday, temperatures as high as 61°F16°C, low temperature around 36°F2°C, wind out of the SSE 21 mph33 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 73%, uv index 3. |
| Sat, 14th Lo: 3°C38°F Hi: 7°C44°F |
Patchy rain nearby Saturday, temperatures as high as 44°F7°C, low temperature around 38°F3°C, chance of rain 79%, wind out of the SW 21 mph33 km/h. Barometric pressure 30.33 in1027 mb, visibility 6 mi10 km, humidity 61%. |
| Sun, 15th Lo: 0°C32°F Hi: 1°C34°F |
Moderate rain Sunday, temperatures as high as 34°F1°C, low temperature around 32°F0°C, probability of precipitation 87%, wind out of the NE 22 mph35 km/h. Barometric pressure 30.12 in1020 mb, visibility 5 mi8 km, humidity 95%. |
Mon, 16th Lo: -2°C28°F Hi: 1°C34°F |
Moderate snow Monday, temperatures as high as 34°F1°C, low temperature around 28°F-2°C, probability of precipitation 81%, wind out of the SW 16 mph25 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi9 km, humidity 94%. |
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