Weather World
McArthur Lake, IL 14 Day Weather
Quick Weather Clicks
Settings
Sun & Moon
McArthur Lake, IL Weather Forecast
McArthur Lake, IL Weather Forecast Dated: 1204 PM Thu Aug 20 2026 (McArthur Lake Time)
Thu, 20th Lo: 20°C68°F Hi: 28°C83°F |
Light rain Thursday, temperatures as high as 83°F28°C, low temperature around 68°F20°C, chance of rain 85%, wind out of the NNE 9 mph15 km/h. Barometric pressure 29.97 in1015 mb, visibility 4 mi7 km, humidity 85%. |
Fri, 21st Lo: 17°C62°F Hi: 28°C82°F |
Sunny Friday, temperatures as high as 82°F28°C, low temperature around 62°F17°C, chance of rain 17%, wind out of the ENE 7 mph11 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 72%. |
| Sat, 22nd Lo: 19°C66°F Hi: 28°C82°F |
Sunny Saturday, temperatures as high as 82°F28°C, low temperature around 66°F19°C, chance of rain 64%, wind out of the N 13 mph21 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 80%. |
Sun, 23rd Lo: 20°C67°F Hi: 28°C83°F |
Overcast Sunday, temperatures as high as 83°F28°C, low temperature around 67°F20°C, chance of rain 51%, wind out of the ESE 6 mph10 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 77%. |
| Mon, 24th Lo: 19°C65°F Hi: 27°C81°F |
Overcast Monday, temperatures as high as 81°F27°C, low temperature around 65°F19°C, chance of rain 59%, wind out of the ESE 8 mph13 km/h. Barometric pressure 30 in1016 mb, visibility 5 mi8 km, humidity 79%. |
Tue, 25th Lo: 21°C70°F Hi: 29°C84°F |
Chance of showers Tuesday, temperatures as high as 84°F29°C, low temperature around 70°F21°C, chance of rain 22%, wind out of the ESE 7 mph11 km/h. Barometric pressure 29.91 in1013 mb, visibility 4 mi7 km, humidity 82%. |
| Wed, 26th Lo: 14°C57°F Hi: 23°C74°F |
Sunny Wednesday, temperatures as high as 74°F23°C, low temperature around 57°F14°C, chance of rain 57%, wind out of the NNW 18 mph29 km/h. Barometric pressure 29.91 in1013 mb, visibility 5 mi8 km, humidity 78%. |
| Thu, 27th Lo: 11°C52°F Hi: 21°C69°F |
Sunny Thursday, temperatures as high as 69°F21°C, low temperature around 52°F11°C, chance of rain 7%, wind out of the NW 14 mph22 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 69%. |
| Fri, 28th Lo: 12°C54°F Hi: 24°C75°F |
Sunny Friday, temperatures as high as 75°F24°C, low temperature around 54°F12°C, chance of rain 7%, wind out of the W 6 mph9 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 68%. |
| Sat, 29th Lo: 15°C58°F Hi: 27°C81°F |
Overcast Saturday, temperatures as high as 81°F27°C, low temperature around 58°F15°C, chance of rain 10%, wind out of the SE 8 mph13 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 68%. |
| Sun, 30th Lo: 17°C63°F Hi: 28°C83°F |
Overcast Sunday, temperatures as high as 83°F28°C, low temperature around 63°F17°C, chance of rain 60%, wind out of the SSE 10 mph16 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 67%. |
| Mon, 31st Lo: 20°C68°F Hi: 31°C88°F |
Sunny Monday, temperatures as high as 88°F31°C, low temperature around 68°F20°C, chance of rain 51%, wind out of the WSW 9 mph14 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 80%. |
| Tue, 1st Lo: 21°C70°F Hi: 30°C86°F |
Overcast Tuesday, temperatures as high as 86°F30°C, low temperature around 70°F21°C, chance of rain 79%, wind out of the SE 12 mph19 km/h. Barometric pressure 29.94 in1014 mb, visibility 5 mi8 km, humidity 81%. |
Wed, 2nd Lo: 21°C70°F Hi: 31°C87°F |
Mist Wednesday, temperatures as high as 87°F31°C, low temperature around 70°F21°C, chance of rain 62%, wind out of the WNW 6 mph10 km/h. Barometric pressure 29.91 in1013 mb, visibility 4 mi7 km, humidity 80%. |
McArthur Lake, IL Weather Radar Map
Use the map search tool if you want to place a location marker on the radar map...