| Weather / Illinois Weather Temperature |
Weather in Robinson, Illinois
Forecast Overview
Mon Dec 23 
39°F 25°F 4°C -4°C Sunny skies.
detailsTue Dec 24 
43°F 28°F 6°C -2°C Chance of light rain late at night.
detailsWed Dec 25 
41°F 39°F 5°C 4°C Chance of rain all night and day.
detailsThu Dec 26 45°F 41°F 7°C 5°C Chance of rain in the morning.
detailsFri Dec 27 
54°F 45°F 12°C 7°C Chance of light rain before sunrise.
detailsSat Dec 28 57°F 52°F 14°C 11°C Chance of rain at various times.
detailsSun Dec 29 59°F 45°F 15°C 7°C Chance of heavy rain at various times.
detailsMon Dec 30 54°F 43°F 12°C 6°C Overcast skies.
detailsTue Dec 31 
52°F 41°F 11°C 5°C Chance of light rain in the afternoon.
detailsWed Jan 1 
50°F 41°F 10°C 5°C Chance of rain after 4 pm.
detailsThu Jan 2 45°F 37°F 7°C 3°C Chance of rain until 4 pm.
detailsFri Jan 3 
37°F 28°F 3°C -2°C Considerable cloudiness.
detailsSat Jan 4 
36°F 27°F 2°C -3°C Times of sun and clouds.
detailsSun Jan 5 41°F 27°F 5°C -3°C Considerable cloudiness.
details
Detailed Forecast
| Monday, December 23 | sunrise: 08:06 sunset: 17:32 |
| Low around 25°F (-4°C), high around 38°F (4°C). Sunny skies. Wind: 11 mph (18 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 01:00 04:00 |  | A few passing clouds. | 25°F (-4°C) | 4 mph (6 km/h) | 75% | 0.26% |
| 04:00 07:00 | | Clear. | 25°F (-4°C) | 5 mph (9 km/h) | 76% | 0.262% |
| 07:00 10:00 | | Sunny. | 30°F (-1°C) | 8 mph (13 km/h) | 61% | 0.263% |
| 10:00 13:00 | | A few passing clouds. | 37°F (3°C) | 10 mph (17 km/h) | 44% | 0.262% |
| 13:00 16:00 | | Sunny. | 38°F (3°C) | 10 mph (17 km/h) | 47% | 0.261% |
| 16:00 19:00 | | Clear. | 30°F (-1°C) | 9 mph (14 km/h) | 66% | 0.26% |
| 19:00 22:00 | | Clear. | 30°F (-1°C) | 11 mph (18 km/h) | 65% | 0.26% |
| 22:00 01:00 | | Clear. | 29°F (-2°C) | 10 mph (17 km/h) | 67% | 0.259% |
| Tuesday, December 24 | sunrise: 08:07 sunset: 17:33 |
| Low around 29°F (-2°C), high around 43°F (6°C). Chance of light rain late at night (after 10 pm). Estimated precipitation: 0.02 in (0.625 mm). Overcast skies. Wind: 16 mph (26 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 01:00 04:00 | | Mostly clear. | 29°F (-2°C) | 10 mph (17 km/h) | 68% | 0.259% |
| 04:00 07:00 | | Overcast. | 30°F (-1°C) | 12 mph (19 km/h) | 68% | 0.259% |
| 07:00 10:00 | | Overcast. | 36°F (2°C) | 16 mph (26 km/h) | 60% | 0.259% |
| 10:00 13:00 | | Overcast. | 40°F (5°C) | 15 mph (24 km/h) | 59% | 0.257% |
| 13:00 16:00 | | Overcast. | 42°F (6°C) | 13 mph (20 km/h) | 62% | 0.255% |
| 16:00 19:00 | | Overcast. | 42°F (6°C) | 12 mph (20 km/h) | 66% | 0.254% |
| 19:00 22:00 | | Overcast. | 43°F (6°C) | 10 mph (16 km/h) | 70% | 0.253% |
| 22:00 01:00 | | Chance of light rain. Precipitation: 0.02 in (0.625 mm). | 41°F (5°C) | 5 mph (8 km/h) | 84% | 0.257% |
| Wednesday, December 25 | sunrise: 08:07 sunset: 17:33 |
| Low around 40°F (4°C), high around 42°F (5°C). Chance of rain all night and day. Estimated precipitation: 0.84 in (21.375 mm). Overcast skies. Wind: 8 mph (13 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 01:00 04:00 | | Chance of rain. Precipitation: 0.08 in (2.0625 mm). | 40°F (5°C) | 6 mph (10 km/h) | 92% | 0.274% |
| 04:00 07:00 | | Chance of rain. Precipitation: 0.11 in (2.75 mm). | 40°F (5°C) | 6 mph (10 km/h) | 93% | 0.293% |
| 07:00 10:00 | | Chance of rain. Precipitation: 0.1 in (2.5625 mm). | 41°F (5°C) | 8 mph (13 km/h) | 94% | 0.3% |
| 10:00 13:00 | | Chance of rain. Precipitation: 0.08 in (1.9375 mm). | 41°F (5°C) | 6 mph (9 km/h) | 93% | 0.3% |
| 13:00 16:00 | | Chance of rain. Precipitation: 0.17 in (4.3125 mm). | 40°F (5°C) | 6 mph (10 km/h) | 96% | 0.318% |
| 16:00 19:00 | | Chance of rain. Precipitation: 0.13 in (3.25 mm). | 40°F (5°C) | 6 mph (10 km/h) | 97% | 0.318% |
| 19:00 22:00 | | Chance of rain. Precipitation: 0.11 in (2.8125 mm). | 41°F (5°C) | 7 mph (11 km/h) | 98% | 0.317% |
| 22:00 01:00 | | Chance of rain. Precipitation: 0.07 in (1.6875 mm). | 42°F (5°C) | 8 mph (13 km/h) | 99% | 0.314% |
| Thursday, December 26 | sunrise: 08:08 sunset: 17:34 |
| Low around 42°F (5°C), high around 45°F (7°C). Chance of rain all morning (between 4 am and 1 pm). Estimated precipitation: 0.28 in (7.125 mm). Overcast skies. Wind: 7 mph (12 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 01:00 04:00 | | Overcast. Precipitation: 0.03 in (0.6875 mm). | 43°F (6°C) | 7 mph (12 km/h) | 98% | 0.307% |
| 04:00 07:00 | | Chance of light rain. Precipitation: 0.04 in (0.9375 mm). | 43°F (6°C) | 6 mph (10 km/h) | 98% | 0.31% |
| 07:00 10:00 | | Chance of rain. Precipitation: 0.13 in (3.25 mm). | 44°F (6°C) | 5 mph (8 km/h) | 99% | 0.325% |
| 10:00 13:00 | | Chance of rain. Precipitation: 0.08 in (1.9375 mm). | 45°F (7°C) | 3 mph (5 km/h) | 99% | 0.321% |
| 13:00 16:00 | | Overcast. Precipitation: 0.01 in (0.25 mm). | 45°F (7°C) | 4 mph (6 km/h) | 99% | 0.31% |
| 16:00 19:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 45°F (7°C) | 2 mph (3 km/h) | 99% | 0.305% |
| 19:00 22:00 | | Overcast. | 45°F (7°C) | 3 mph (5 km/h) | 99% | 0.301% |
| 22:00 01:00 | | Overcast. | 45°F (7°C) | 3 mph (4 km/h) | 99% | 0.298% |
| Friday, December 27 | sunrise: 08:08 sunset: 17:35 |
| Low around 45°F (7°C), high around 53°F (12°C). Chance of light rain between 1 am and 4 am. Estimated precipitation: 0.01 in (0.375 mm). Overcast skies. Wind: 15 mph (24 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 01:00 04:00 | | Chance of light rain. Precipitation: 0 in (0.125 mm). | 46°F (8°C) | 4 mph (6 km/h) | 98% | 0.297% |
| 04:00 07:00 | | Overcast. Precipitation: 0.01 in (0.25 mm). | 47°F (8°C) | 6 mph (9 km/h) | 98% | 0.296% |
| 07:00 10:00 | | Overcast. | 48°F (9°C) | 5 mph (9 km/h) | 98% | 0.293% |
| 10:00 13:00 | | Overcast. | 50°F (10°C) | 7 mph (11 km/h) | 96% | 0.291% |
| 13:00 16:00 | | Overcast. | 51°F (11°C) | 8 mph (13 km/h) | 98% | 0.289% |
| 16:00 19:00 | | Overcast. | 52°F (11°C) | 12 mph (19 km/h) | 97% | 0.288% |
| 19:00 22:00 | | Overcast. | 53°F (12°C) | 15 mph (23 km/h) | 95% | 0.287% |
| 22:00 01:00 | | Overcast. | 53°F (12°C) | 15 mph (24 km/h) | 93% | 0.285% |
| Saturday, December 28 | sunrise: 08:08 sunset: 17:35 |
| Low around 53°F (11°C), high around 57°F (14°C). Chance of rain before sunrise (between 4 am and 7 am), late in the morning (between 10 am and 1 pm) and again at night (after 10 pm). Estimated precipitation: 0.68 in (17.25 mm). Overcast skies. Wind: 18 mph (29 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 01:00 04:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 53°F (12°C) | 17 mph (27 km/h) | 92% | 0.285% |
| 04:00 07:00 | | Chance of rain. Precipitation: 0.25 in (6.3125 mm). | 53°F (12°C) | 18 mph (29 km/h) | 95% | 0.328% |
| 07:00 10:00 | | Overcast. Precipitation: 0.08 in (2 mm). | 54°F (12°C) | 17 mph (27 km/h) | 91% | 0.316% |
| 10:00 13:00 | | Chance of rain. Precipitation: 0.04 in (1.0625 mm). | 56°F (13°C) | 17 mph (27 km/h) | 90% | 0.308% |
| 13:00 16:00 | | Overcast. Precipitation: 0.12 in (3.0625 mm). | 56°F (13°C) | 15 mph (25 km/h) | 91% | 0.316% |
| 16:00 19:00 | | Overcast. | 56°F (14°C) | 17 mph (28 km/h) | 91% | 0.306% |
| 19:00 22:00 | | Overcast. Precipitation: 0.01 in (0.3125 mm). | 56°F (13°C) | 15 mph (25 km/h) | 95% | 0.304% |
| 22:00 01:00 | | Chance of rain. Precipitation: 0.17 in (4.4375 mm). | 55°F (13°C) | 17 mph (27 km/h) | 97% | 0.331% |
| Sunday, December 29 | sunrise: 08:09 sunset: 17:36 |
| Low around 45°F (7°C), high around 59°F (15°C). Chance of heavy rain early in the morning (until 10 am) and again in the afternoon (between 1 pm and 7 pm). The precipitation may fall as scattered showers of varying intensity. Estimated precipitation: 1.15 in (29.3125 mm). Considerable cloudiness. Wind: 21 mph (34 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 01:00 04:00 | | Chance of heavy rain. Precipitation: 0.51 in (13.0625 mm). | 55°F (13°C) | 19 mph (31 km/h) | 88% | 0.363% |
| 04:00 07:00 | | Chance of scattered rain showers. Precipitation: 0.13 in (3.1875 mm). | 55°F (13°C) | 20 mph (32 km/h) | 92% | 0.353% |
| 07:00 10:00 | | Chance of rain. Precipitation: 0.35 in (8.875 mm). | 55°F (13°C) | 20 mph (32 km/h) | 93% | 0.37% |
| 10:00 13:00 | | Overcast. Precipitation: 0.01 in (0.375 mm). | 58°F (14°C) | 21 mph (34 km/h) | 89% | 0.345% |
| 13:00 16:00 | | Chance of rain. Precipitation: 0.05 in (1.375 mm). | 57°F (14°C) | 17 mph (27 km/h) | 92% | 0.343% |
| 16:00 19:00 | | Chance of scattered rain showers. Precipitation: 0.09 in (2.3125 mm). | 55°F (13°C) | 12 mph (20 km/h) | 90% | 0.344% |
| 19:00 22:00 | | Clear. Precipitation: 0 in (0.125 mm). | 49°F (10°C) | 9 mph (15 km/h) | 82% | 0.334% |
| 22:00 01:00 | | Partly cloudy. | 45°F (7°C) | 7 mph (11 km/h) | 88% | 0.329% |
| Monday, December 30 | sunrise: 08:09 sunset: 17:37 |
| Low around 43°F (6°C), high around 54°F (12°C). Overcast skies. Wind: 7 mph (10 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 01:00 04:00 | | Overcast. | 43°F (6°C) | 6 mph (9 km/h) | 89% | 0.325% |
| 04:00 07:00 | | Overcast. | 45°F (7°C) | 3 mph (5 km/h) | 86% | 0.322% |
| 07:00 10:00 | | Overcast. | 46°F (8°C) | 5 mph (8 km/h) | 85% | 0.319% |
| 10:00 13:00 | | Overcast. | 52°F (11°C) | 7 mph (10 km/h) | 66% | 0.316% |
| 13:00 16:00 | | Overcast. | 53°F (12°C) | 5 mph (9 km/h) | 65% | 0.314% |
| 16:00 19:00 | | Mostly cloudy. | 48°F (9°C) | 4 mph (7 km/h) | 79% | 0.312% |
| 19:00 22:00 | | Overcast. | 47°F (9°C) | 3 mph (5 km/h) | 83% | 0.311% |
| 22:00 01:00 | | Overcast. | 47°F (8°C) | 5 mph (9 km/h) | 84% | 0.31% |
| Tuesday, December 31 | sunrise: 08:09 sunset: 17:37 |
| Low around 41°F (5°C), high around 51°F (11°C). Chance of light rain during the afternoon (between 1 pm and 7 pm). Estimated precipitation: 0.01 in (0.375 mm). Considerable cloudiness. Wind: 7 mph (11 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 01:00 04:00 | | Mostly cloudy. | 45°F (7°C) | 7 mph (11 km/h) | 86% | 0.309% |
| 04:00 07:00 | | Clear. | 41°F (5°C) | 6 mph (10 km/h) | 92% | 0.308% |
| 07:00 10:00 | | A few passing clouds. | 45°F (7°C) | 5 mph (9 km/h) | 82% | 0.307% |
| 10:00 13:00 | | Overcast. | 50°F (10°C) | 6 mph (10 km/h) | 70% | 0.305% |
| 13:00 16:00 | | Chance of light rain. Precipitation: 0 in (0.125 mm). | 50°F (10°C) | 4 mph (6 km/h) | 74% | 0.304% |
| 16:00 19:00 | | Chance of light rain. Precipitation: 0.01 in (0.1875 mm). | 48°F (9°C) | 3 mph (5 km/h) | 77% | 0.305% |
| 19:00 22:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 47°F (8°C) | 1 mph (1 km/h) | 78% | 0.305% |
| 22:00 01:00 | | Times of clear skies and clouds. | 46°F (8°C) | 3 mph (5 km/h) | 82% | 0.304% |
| Wednesday, January 1 | sunrise: 08:09 sunset: 17:38 |
| Low around 41°F (5°C), high around 50°F (10°C). Chance of rain after 4 pm. Estimated precipitation: 0.31 in (8 mm). Overcast skies. Wind: 12 mph (20 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 01:00 04:00 | | Overcast. | 43°F (6°C) | 2 mph (4 km/h) | 87% | 0.303% |
| 04:00 07:00 | | Overcast. | 41°F (5°C) | 5 mph (8 km/h) | 88% | 0.303% |
| 07:00 10:00 | | Overcast. | 44°F (7°C) | 6 mph (10 km/h) | 84% | 0.302% |
| 10:00 13:00 | | Overcast. | 48°F (9°C) | 10 mph (15 km/h) | 72% | 0.3% |
| 13:00 16:00 | | Overcast. | 50°F (10°C) | 8 mph (12 km/h) | 71% | 0.299% |
| 16:00 19:00 | | Chance of light rain. Precipitation: 0.03 in (0.875 mm). | 46°F (8°C) | 8 mph (12 km/h) | 87% | 0.306% |
| 19:00 22:00 | | Chance of rain. Precipitation: 0.18 in (4.625 mm). | 44°F (7°C) | 10 mph (17 km/h) | 92% | 0.332% |
| 22:00 01:00 | | Chance of rain. Precipitation: 0.1 in (2.5 mm). | 44°F (6°C) | 12 mph (20 km/h) | 92% | 0.332% |
| Thursday, January 2 | sunrise: 08:09 sunset: 17:39 |
| Low around 37°F (3°C), high around 44°F (7°C). Chance of rain until late afternoon (4 pm). Estimated precipitation: 0.13 in (3.1875 mm). Overcast skies. Wind: 15 mph (24 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 01:00 04:00 | | Chance of light rain. Precipitation: 0.02 in (0.5 mm). | 43°F (6°C) | 13 mph (22 km/h) | 90% | 0.322% |
| 04:00 07:00 | | Chance of light rain. Precipitation: 0.02 in (0.5 mm). | 42°F (6°C) | 14 mph (23 km/h) | 92% | 0.32% |
| 07:00 10:00 | | Chance of rain. Precipitation: 0.04 in (1.0625 mm). | 42°F (5°C) | 15 mph (24 km/h) | 94% | 0.324% |
| 10:00 13:00 | | Chance of light rain. Precipitation: 0.04 in (0.9375 mm). | 41°F (5°C) | 15 mph (24 km/h) | 94% | 0.324% |
| 13:00 16:00 | | Chance of light rain. Precipitation: 0 in (0.125 mm). | 42°F (5°C) | 15 mph (24 km/h) | 86% | 0.318% |
| 16:00 19:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 40°F (5°C) | 14 mph (22 km/h) | 85% | 0.315% |
| 19:00 22:00 | | Mostly cloudy. | 39°F (4°C) | 14 mph (23 km/h) | 78% | 0.313% |
| 22:00 01:00 | | Partly cloudy. | 37°F (3°C) | 14 mph (22 km/h) | 83% | 0.312% |
| Friday, January 3 | sunrise: 08:09 sunset: 17:39 |
| Low around 29°F (-2°C), high around 38°F (3°C). Estimated precipitation: 0.01 in (0.1875 mm). Considerable cloudiness. Wind: 15 mph (24 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 01:00 04:00 | | Overcast. | 36°F (2°C) | 14 mph (23 km/h) | 90% | 0.31% |
| 04:00 07:00 | | Overcast. Precipitation: 0.01 in (0.1875 mm). | 34°F (1°C) | 13 mph (22 km/h) | 84% | 0.309% |
| 07:00 10:00 | | More clouds than sun. | 33°F (1°C) | 15 mph (24 km/h) | 79% | 0.308% |
| 10:00 13:00 | | Overcast. | 37°F (3°C) | 14 mph (23 km/h) | 63% | 0.307% |
| 13:00 16:00 | | Overcast. | 38°F (3°C) | 12 mph (19 km/h) | 59% | 0.305% |
| 16:00 19:00 | | Partly cloudy. | 34°F (1°C) | 9 mph (15 km/h) | 67% | 0.304% |
| 19:00 22:00 | | Clear. | 30°F (-1°C) | 8 mph (13 km/h) | 79% | 0.304% |
| 22:00 01:00 | | Clear. | 29°F (-2°C) | 8 mph (14 km/h) | 81% | 0.304% |
| Saturday, January 4 | sunrise: 08:09 sunset: 17:40 |
| Low around 27°F (-3°C), high around 36°F (2°C). Times of sun and clouds. Wind: 8 mph (14 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 01:00 04:00 | | Mostly cloudy. | 29°F (-2°C) | 8 mph (13 km/h) | 82% | 0.304% |
| 04:00 07:00 | | Overcast. | 28°F (-2°C) | 7 mph (11 km/h) | 82% | 0.305% |
| 07:00 10:00 | | Mostly sunny, with a few passing clouds. | 31°F (-1°C) | 8 mph (14 km/h) | 67% | 0.306% |
| 10:00 13:00 | | Sunny. | 35°F (2°C) | 7 mph (12 km/h) | 51% | 0.305% |
| 13:00 16:00 | | Mostly cloudy. | 36°F (2°C) | 8 mph (13 km/h) | 50% | 0.304% |
| 16:00 19:00 | | Clear. | 29°F (-2°C) | 6 mph (10 km/h) | 70% | 0.303% |
| 19:00 22:00 | | Clear. | 28°F (-2°C) | 5 mph (9 km/h) | 74% | 0.303% |
| 22:00 01:00 | | Clear. | 27°F (-3°C) | 5 mph (9 km/h) | 76% | 0.304% |
| Sunday, January 5 | sunrise: 08:09 sunset: 17:41 |
| Low around 27°F (-3°C), high around 41°F (5°C). Considerable cloudiness. Wind: 14 mph (23 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 01:00 04:00 | | Partly cloudy. | 27°F (-3°C) | 6 mph (10 km/h) | 78% | 0.305% |
| 04:00 07:00 | | Clear. | 27°F (-3°C) | 7 mph (11 km/h) | 79% | 0.306% |
| 07:00 10:00 | | Overcast. | 31°F (-1°C) | 11 mph (18 km/h) | 65% | 0.308% |
| 10:00 13:00 | | Overcast. | 38°F (3°C) | 14 mph (23 km/h) | 48% | 0.308% |
| 13:00 16:00 | | Overcast. | 40°F (4°C) | 11 mph (18 km/h) | 55% | 0.306% |
| 16:00 19:00 | | Clear. | 33°F (1°C) | 6 mph (10 km/h) | 75% | 0.306% |
| 19:00 22:00 | | Overcast. | 31°F (-0°C) | 6 mph (9 km/h) | 81% | 0.306% |
| 22:00 01:00 | | Overcast. | 31°F (-1°C) | 5 mph (8 km/h) | 84% | 0.306% |
Climate Chart
Places with a similar climate: Carmi (IL), Fairfield (IL), Lawrenceville (IL), Huntingburg (IN), Flora (IL), Mount Vernon (IL), Belleville, Scott (IL), Centralia (IL), Cahokia / St. Louis (IL), Olney-Noble (IL), Salem (IL), Evansville (IN), Henderson City (KY), St. Louis (MO), Alton/St. Louis (IL), Carbondale / Murphysboro (IL), Sparta (IL), St. Charles County (MO), Mount Carmel (IL), Frankfort (KY), Farmington (MO), Jefferson City (MO), Cincinnati (OH), Fort Knox (KY), Lexington (KY).
Current Conditions* (Monday, September 16, 2024 at 02:15 America/Chicago time)
* This station stopped sending updates, so the data below might be obsolete.
| Temperature: 52°F (11°C) |
Temperature variation graph for the last seven days
Humidity Variation Graph
Wind speed
Weather Station: Robinson, Robinson Municipal Airport (latitude 39-00-57N, longitude 087-38-59W)
Local Time:
Robinson is in the "America/Chicago" timezone.
The "America/Chicago" timezone uses a Standard Time (ST) / Daylight Saving Time (DST) alternation scheme, and it currently is in ST (since Sunday, 3 November 2024, 01:00 AM local time). During ST, the timezone abbreviation is CST and the offset to Universal Time (UTC, GMT or Zulu) is -6:00 hours.
Robinson will exit standard time (entering DST) on Sunday, 9 March 2025, at 02:00 AM local time, when clocks will be turned forward 1 hour to Sunday, 9 March 2025, 03:00 AM local daylight time. During DST, the timezone abbreviation is CDT and the offset to UTC will be -5:00 hours.
Weather and Temperature in Illinois