Weather World
Cass County, IL Official WebsiteCass County, IL 14 Day Weather - WeatherWorld.com
Quick Weather Clicks
Settings
Sun & Moon
Cass County, IL Weather Forecast
Cass County, IL Weather Forecast Dated: 1222 AM Tue Mar 03 2026 (Cass County Time)
Tue, 3rd Lo: 3°C38°F Hi: 7°C44°F |
Heavy rain Tuesday, temperatures as high as 44°F7°C, low temperature around 38°F3°C, chance of rain 84%, wind out of the E 9 mph14 km/h. Barometric pressure 30.12 in1020 mb, visibility 6 mi9 km, humidity 96%. |
| Wed, 4th Lo: 4°C39°F Hi: 7°C45°F |
Heavy rain Wednesday, temperatures as high as 45°F7°C, low temperature around 39°F4°C, chance of rain 86%, wind out of the E 10 mph15 km/h. Barometric pressure 30.09 in1019 mb, visibility 3 mi5 km, humidity 97%. |
Thu, 5th Lo: 3°C37°F Hi: 6°C43°F |
Fog Thursday, temperatures as high as 43°F6°C, low temperature around 37°F3°C, wind out of the SW 11 mph18 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 96%, uv index 0. |
Fri, 6th Lo: 7°C44°F Hi: 23°C74°F |
Patchy rain nearby Friday, temperatures as high as 74°F23°C, low temperature around 44°F7°C, chance of rain 83%, wind out of the SSE 20 mph32 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 83%. |
| Sat, 7th Lo: 9°C47°F Hi: 18°C65°F |
Moderate rain Saturday, temperatures as high as 65°F18°C, low temperature around 47°F9°C, chance of rain 84%, wind out of the WSW 26 mph42 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 76%. |
Sun, 8th Lo: 5°C41°F Hi: 18°C64°F |
Sunny Sunday, temperatures as high as 64°F18°C, low temperature around 41°F5°C, wind out of the WSW 14 mph23 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 64%, uv index 4. |
| Mon, 9th Lo: 9°C48°F Hi: 17°C62°F |
Sunny Monday, temperatures as high as 62°F17°C, low temperature around 48°F9°C, wind out of the WSW 14 mph22 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 57%, uv index 4. |
| Tue, 10th Lo: 12°C54°F Hi: 24°C75°F |
Patchy rain nearby Tuesday, temperatures as high as 75°F24°C, low temperature around 54°F12°C, chance of rain 87%, wind out of the S 25 mph40 km/h. Barometric pressure 29.74 in1007 mb, visibility 6 mi10 km, humidity 70%. |
| Wed, 11th Lo: 4°C38°F Hi: 20°C68°F |
Patchy rain nearby Wednesday, temperatures as high as 68°F20°C, low temperature around 38°F4°C, chance of rain 88%, wind out of the WNW 26 mph41 km/h. Barometric pressure 29.68 in1005 mb, visibility 6 mi10 km, humidity 76%. |
| Thu, 12th Lo: -0°C32°F Hi: 8°C47°F |
Sunny Thursday, temperatures as high as 47°F8°C, low temperature around 32°F-0°C, wind out of the S 13 mph21 km/h. Barometric pressure 30.12 in1020 mb, visibility 6 mi10 km, humidity 55%, uv index 2. |
| Fri, 13th Lo: 3°C38°F Hi: 17°C63°F |
Sunny Friday, temperatures as high as 63°F17°C, low temperature around 38°F3°C, wind out of the SSE 19 mph31 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 64%, 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 82%, wind out of the S 16 mph25 km/h. Barometric pressure 30.36 in1028 mb, visibility 6 mi9 km, humidity 59%. |
Sun, 15th Lo: 0°C32°F Hi: 1°C33°F |
Light freezing rain Sunday, temperatures as high as 33°F1°C, low temperature around 32°F0°C, probability of precipitation 83%, wind out of the NE 18 mph29 km/h. Barometric pressure 30.12 in1020 mb, visibility 4 mi6 km, humidity 99%. |
| Mon, 16th Lo: -2°C28°F Hi: 2°C36°F |
Light freezing rain Monday, temperatures as high as 36°F2°C, low temperature around 28°F-2°C, probability of precipitation 80%, wind out of the SW 15 mph24 km/h. Barometric pressure 30.09 in1019 mb, visibility 4 mi6 km, humidity 95%. |
Cass County, IL Weather Radar Map
Use the map search tool if you want to place a location marker on the radar map...