Mattis Lake, IL 14 Day Weather
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Mattis Lake, IL Weather Forecast


Mattis Lake, IL Weather Forecast Dated: 546 AM Mon Aug 17 2026 (Mattis Lake Time)
| Mon, 17th Lo: 11°C52°F Hi: 29°C85°F |
Overcast Monday, temperatures as high as 85°F29°C, low temperature around 52°F11°C, chance of rain 18%, wind out of the NW 26 mph42 km/h. Barometric pressure 30.27 in1025 mb, visibility 6 mi10 km, humidity 83%. |
| Tue, 18th Lo: 12°C53°F Hi: 12°C54°F |
Overcast Tuesday, temperatures as high as 54°F12°C, low temperature around 53°F12°C, chance of rain 77%, wind out of the NNW 30 mph49 km/h. Barometric pressure 30.12 in1020 mb, visibility 6 mi10 km, humidity 90%. |
| Wed, 19th Lo: 10°C51°F Hi: 13°C55°F |
Overcast Wednesday, temperatures as high as 55°F13°C, low temperature around 51°F10°C, chance of rain 81%, wind out of the WNW 29 mph47 km/h. Barometric pressure 30.12 in1020 mb, visibility 6 mi9 km, humidity 87%. |
| Thu, 20th Lo: 9°C49°F Hi: 11°C51°F |
Overcast Thursday, temperatures as high as 51°F11°C, low temperature around 49°F9°C, chance of rain 33%, wind out of the SE 22 mph35 km/h. Barometric pressure 30.36 in1028 mb, visibility 6 mi10 km, humidity 76%. |
| Fri, 21st Lo: 11°C51°F Hi: 11°C52°F |
Chance of showers Friday, temperatures as high as 52°F11°C, low temperature around 51°F11°C, chance of rain 61%, wind out of the ENE 34 mph54 km/h. Barometric pressure 30.3 in1026 mb, visibility 6 mi10 km, humidity 87%. |
| Sat, 22nd Lo: 10°C51°F Hi: 11°C52°F |
Chance of showers Saturday, temperatures as high as 52°F11°C, low temperature around 51°F10°C, chance of rain 36%, wind out of the ENE 29 mph47 km/h. Barometric pressure 30.12 in1020 mb, visibility 6 mi10 km, humidity 86%. |
| Sun, 23rd Lo: 11°C51°F Hi: 11°C52°F |
Chance of showers Sunday, temperatures as high as 52°F11°C, low temperature around 51°F11°C, chance of rain 62%, wind out of the NE 26 mph42 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 92%. |
| Mon, 24th Lo: 10°C51°F Hi: 12°C53°F |
Light rain shower Monday, temperatures as high as 53°F12°C, low temperature around 51°F10°C, chance of rain 90%, wind out of the NNW 26 mph42 km/h. Barometric pressure 29.65 in1004 mb, visibility 6 mi10 km, humidity 93%. |
| Tue, 25th Lo: 10°C50°F Hi: 11°C51°F |
Chance of showers Tuesday, temperatures as high as 51°F11°C, low temperature around 50°F10°C, chance of rain 79%, wind out of the WNW 32 mph52 km/h. Barometric pressure 29.47 in998 mb, visibility 6 mi10 km, humidity 79%. |
| Wed, 26th Lo: 10°C49°F Hi: 10°C50°F |
Chance of showers Wednesday, temperatures as high as 50°F10°C, low temperature around 49°F10°C, chance of rain 42%, wind out of the W 32 mph51 km/h. Barometric pressure 29.68 in1005 mb, visibility 6 mi10 km, humidity 73%. |
| Thu, 27th Lo: 9°C48°F Hi: 10°C51°F |
Chance of showers Thursday, temperatures as high as 51°F10°C, low temperature around 48°F9°C, chance of rain 78%, wind out of the WNW 26 mph41 km/h. Barometric pressure 29.8 in1009 mb, visibility 6 mi10 km, humidity 71%. |
| Fri, 28th Lo: 9°C48°F Hi: 10°C49°F |
Overcast Friday, temperatures as high as 49°F10°C, low temperature around 48°F9°C, chance of rain 14%, wind out of the SW 10 mph16 km/h. Barometric pressure 29.71 in1006 mb, visibility 6 mi10 km, humidity 59%. |
| Sat, 29th Lo: 7°C45°F Hi: 10°C50°F |
Chance of showers Saturday, temperatures as high as 50°F10°C, low temperature around 45°F7°C, chance of rain 78%, wind out of the WSW 27 mph44 km/h. Barometric pressure 29.71 in1006 mb, visibility 6 mi10 km, humidity 71%. |
| Sun, 30th Lo: 7°C45°F Hi: 8°C47°F |
Chance of showers Sunday, temperatures as high as 47°F8°C, low temperature around 45°F7°C, chance of rain 75%, wind out of the SW 36 mph57 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 68%. |
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