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Grundy County, IL Weather Forecast
Grundy County, IL Weather Forecast Dated: 1232 AM Tue Mar 03 2026 (Grundy County Time)
Tue, 3rd Lo: 3°C37°F Hi: 7°C45°F |
Patchy rain nearby Tuesday, temperatures as high as 45°F7°C, low temperature around 37°F3°C, chance of rain 86%, wind out of the ESE 8 mph13 km/h. Barometric pressure 30.15 in1021 mb, visibility 6 mi9 km, humidity 84%. |
Wed, 4th Lo: 1°C33°F Hi: 6°C42°F |
Overcast Wednesday, temperatures as high as 42°F6°C, low temperature around 33°F1°C, wind out of the E 10 mph16 km/h. Barometric pressure 30.15 in1021 mb, visibility 4 mi6 km, humidity 92%, uv index 0. |
| Thu, 5th Lo: 3°C37°F Hi: 10°C50°F |
Overcast Thursday, temperatures as high as 50°F10°C, low temperature around 37°F3°C, wind out of the E 9 mph15 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi9 km, humidity 89%, uv index 0. |
| Fri, 6th Lo: 7°C44°F Hi: 19°C67°F |
Patchy rain nearby Friday, temperatures as high as 67°F19°C, low temperature around 44°F7°C, chance of rain 88%, wind out of the SSE 21 mph34 km/h. Barometric pressure 29.97 in1015 mb, visibility 4 mi7 km, humidity 90%. |
Sat, 7th Lo: 8°C46°F Hi: 18°C65°F |
Moderate rain Saturday, temperatures as high as 65°F18°C, low temperature around 46°F8°C, chance of rain 71%, wind out of the SW 21 mph34 km/h. Barometric pressure 29.88 in1012 mb, visibility 6 mi10 km, humidity 78%. |
Sun, 8th Lo: 4°C39°F Hi: 16°C60°F |
Sunny Sunday, temperatures as high as 60°F16°C, low temperature around 39°F4°C, wind out of the WSW 15 mph25 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 63%, uv index 3. |
| Mon, 9th Lo: 9°C48°F Hi: 14°C57°F |
Sunny Monday, temperatures as high as 57°F14°C, low temperature around 48°F9°C, wind out of the W 15 mph24 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 52%, uv index 4. |
| Tue, 10th Lo: 8°C46°F Hi: 23°C73°F |
Patchy rain nearby Tuesday, temperatures as high as 73°F23°C, low temperature around 46°F8°C, chance of rain 75%, wind out of the S 26 mph42 km/h. Barometric pressure 29.77 in1008 mb, visibility 6 mi9 km, humidity 70%. |
| Wed, 11th Lo: 3°C38°F Hi: 20°C67°F |
Moderate rain Wednesday, temperatures as high as 67°F20°C, low temperature around 38°F3°C, chance of rain 84%, wind out of the W 30 mph48 km/h. Barometric pressure 29.65 in1004 mb, visibility 6 mi10 km, humidity 76%. |
| Thu, 12th Lo: 0°C32°F Hi: 7°C44°F |
Sunny Thursday, temperatures as high as 44°F7°C, low temperature around 32°F0°C, wind out of the WSW 11 mph17 km/h. Barometric pressure 30.12 in1020 mb, visibility 6 mi10 km, humidity 55%, uv index 2. |
| Fri, 13th Lo: 2°C35°F Hi: 16°C60°F |
Sunny Friday, temperatures as high as 60°F16°C, low temperature around 35°F2°C, wind out of the SSE 21 mph35 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 68%, uv index 3. |
| Sat, 14th Lo: 2°C36°F Hi: 7°C45°F |
Patchy rain nearby Saturday, temperatures as high as 45°F7°C, low temperature around 36°F2°C, chance of rain 87%, wind out of the WSW 21 mph35 km/h. Barometric pressure 30.33 in1027 mb, visibility 6 mi9 km, humidity 52%. |
Sun, 15th Lo: -1°C31°F Hi: 1°C33°F |
Heavy snow Sunday, temperatures as high as 33°F1°C, low temperature around 31°F-1°C, probability of precipitation 75%, wind out of the ENE 19 mph31 km/h. Barometric pressure 30.21 in1023 mb, visibility 3 mi5 km, humidity 96%. |
Mon, 16th Lo: -4°C25°F Hi: 1°C33°F |
Light freezing rain Monday, temperatures as high as 33°F1°C, low temperature around 25°F-4°C, probability of precipitation 85%, wind out of the W 16 mph26 km/h. Barometric pressure 30.03 in1017 mb, visibility 4 mi6 km, humidity 95%. |
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