| Weather / Illinois Weather Temperature |
Weather in Alton/St. Louis, Illinois
Current Conditions (Thursday, January 30, 2025 at 06:15 America/Chicago time)
 | Temperature: 37°F (3°C) |
Forecast Overview
Fri Jan 31 
46°F 36°F 8°C 2°C Chance of rain in the morning and in the afternoon.
detailsSat Feb 1 
54°F 39°F 12°C 4°C Chance of light rain before sunrise and in the afternoon.
detailsSun Feb 2 
41°F 32°F 5°C -0°C Mostly cloudy skies.
detailsMon Feb 3 59°F 41°F 15°C 5°C Overcast skies.
detailsTue Feb 4 
46°F 30°F 8°C -1°C Considerable cloudiness.
detailsWed Feb 5 36°F 25°F 2°C -4°C Mostly cloudy skies.
detailsThu Feb 6 
37°F 30°F 3°C -1°C Chance of rain all day. Chance of freezing rain before sunrise and late at night.
detailsFri Feb 7 
30°F 23°F -1°C -5°C Times of sun and clouds.
detailsSat Feb 8 
34°F 23°F 1°C -5°C Chance of light snow after 6 pm.
detailsSun Feb 9 32°F 23°F 0°C -5°C Mostly cloudy skies.
detailsMon Feb 10 32°F 21°F -0°C -6°C More sun than clouds.
detailsTue Feb 11 37°F 27°F 3°C -3°C Chance of light rain late at night. Chance of light snow in the morning.
detailsWed Feb 12 48°F 32°F 9°C 0°C Chance of light rain until 6 pm.
detailsThu Feb 13 37°F 23°F 3°C -5°C Mostly cloudy skies.
details
Detailed Forecast
| Friday, January 31 | sunrise: 07:08 sunset: 17:19 |
| Low around 36°F (2°C), high around 47°F (8°C). Chance of rain from morning till evening (between 6 am and 6 pm). Estimated precipitation: 0.22 in (5.5 mm). Overcast skies. Wind: 11 mph (18 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 |  | Overcast. | 36°F (2°C) | 8 mph (13 km/h) | 78% | 0.391% |
| 03:00 06:00 | | Overcast. | 38°F (3°C) | 10 mph (17 km/h) | 79% | 0.386% |
| 06:00 09:00 | | Chance of rain. Precipitation: 0.08 in (2 mm). | 41°F (5°C) | 10 mph (17 km/h) | 94% | 0.393% |
| 09:00 12:00 | | Chance of rain. Precipitation: 0.05 in (1.375 mm). | 43°F (6°C) | 10 mph (17 km/h) | 99% | 0.396% |
| 12:00 15:00 | | Chance of rain. Precipitation: 0.04 in (1.0625 mm). | 46°F (8°C) | 8 mph (13 km/h) | 99% | 0.386% |
| 15:00 18:00 | | Chance of light rain. Precipitation: 0.03 in (0.875 mm). | 44°F (7°C) | 6 mph (10 km/h) | 99% | 0.379% |
| 18:00 21:00 | | Overcast. Precipitation: 0.01 in (0.1875 mm). | 46°F (8°C) | 11 mph (18 km/h) | 99% | 0.369% |
| 21:00 00:00 | | Overcast. | 45°F (7°C) | 8 mph (12 km/h) | 99% | 0.361% |
| Saturday, February 1 | sunrise: 07:07 sunset: 17:20 |
| Low around 39°F (4°C), high around 53°F (12°C). Chance of light rain between midnight and 3 am and early in the afternoon (between 12 pm and 3 pm). Estimated precipitation: 0.05 in (1.1875 mm). Considerable cloudiness. Wind: 16 mph (25 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Chance of light rain. Precipitation: 0.02 in (0.4375 mm). | 45°F (7°C) | 7 mph (11 km/h) | 99% | 0.358% |
| 03:00 06:00 | | Clear. Precipitation: 0.01 in (0.375 mm). | 46°F (8°C) | 7 mph (12 km/h) | 98% | 0.357% |
| 06:00 09:00 | | Mostly cloudy. | 49°F (10°C) | 13 mph (20 km/h) | 86% | 0.352% |
| 09:00 12:00 | | Overcast. | 50°F (10°C) | 10 mph (17 km/h) | 78% | 0.347% |
| 12:00 15:00 | | Chance of light rain. Precipitation: 0.01 in (0.25 mm). | 48°F (9°C) | 8 mph (13 km/h) | 88% | 0.345% |
| 15:00 18:00 | | Clear. Precipitation: 0 in (0.125 mm). | 46°F (8°C) | 9 mph (14 km/h) | 94% | 0.343% |
| 18:00 21:00 | | Overcast. | 43°F (6°C) | 16 mph (25 km/h) | 90% | 0.34% |
| 21:00 00:00 | | Overcast. | 39°F (4°C) | 11 mph (18 km/h) | 91% | 0.338% |
| Sunday, February 2 | sunrise: 07:06 sunset: 17:21 |
| Low around 32°F (-0°C), high around 42°F (5°C). Mostly cloudy skies. Wind: 13 mph (22 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Mostly cloudy. | 37°F (3°C) | 7 mph (12 km/h) | 87% | 0.335% |
| 03:00 06:00 | | Clear. | 34°F (1°C) | 7 mph (11 km/h) | 91% | 0.333% |
| 06:00 09:00 | | Overcast. | 36°F (2°C) | 9 mph (15 km/h) | 85% | 0.331% |
| 09:00 12:00 | | Overcast. | 39°F (4°C) | 11 mph (18 km/h) | 78% | 0.328% |
| 12:00 15:00 | | Overcast. | 42°F (5°C) | 11 mph (17 km/h) | 78% | 0.326% |
| 15:00 18:00 | | Overcast. | 41°F (5°C) | 12 mph (20 km/h) | 84% | 0.324% |
| 18:00 21:00 | | Overcast. | 41°F (5°C) | 13 mph (21 km/h) | 86% | 0.323% |
| 21:00 00:00 | | Overcast. | 41°F (5°C) | 13 mph (22 km/h) | 92% | 0.322% |
| Monday, February 3 | sunrise: 07:05 sunset: 17:22 |
| Low around 41°F (5°C), high around 59°F (15°C). Overcast skies. Wind: 15 mph (25 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 42°F (5°C) | 12 mph (19 km/h) | 94% | 0.324% |
| 03:00 06:00 | | Overcast. | 42°F (5°C) | 11 mph (18 km/h) | 96% | 0.331% |
| 06:00 09:00 | | Overcast. | 45°F (7°C) | 11 mph (18 km/h) | 92% | 0.332% |
| 09:00 12:00 | | Overcast. | 56°F (13°C) | 15 mph (25 km/h) | 63% | 0.329% |
| 12:00 15:00 | | Overcast. | 59°F (15°C) | 12 mph (19 km/h) | 58% | 0.328% |
| 15:00 18:00 | | Overcast. | 51°F (11°C) | 8 mph (13 km/h) | 74% | 0.332% |
| 18:00 21:00 | | Overcast. | 48°F (9°C) | 7 mph (11 km/h) | 83% | 0.332% |
| 21:00 00:00 | | Overcast. | 45°F (7°C) | 6 mph (10 km/h) | 86% | 0.331% |
| Tuesday, February 4 | sunrise: 07:04 sunset: 17:23 |
| Low around 30°F (-1°C), high around 47°F (8°C). Considerable cloudiness. Wind: 14 mph (23 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Mostly cloudy. | 42°F (6°C) | 9 mph (15 km/h) | 91% | 0.329% |
| 03:00 06:00 | | Overcast. | 38°F (4°C) | 8 mph (12 km/h) | 94% | 0.327% |
| 06:00 09:00 | | Overcast. | 40°F (5°C) | 10 mph (16 km/h) | 83% | 0.326% |
| 09:00 12:00 | | Sunny. | 46°F (8°C) | 12 mph (19 km/h) | 66% | 0.323% |
| 12:00 15:00 | | Overcast. | 44°F (7°C) | 12 mph (20 km/h) | 58% | 0.32% |
| 15:00 18:00 | | Overcast. | 39°F (4°C) | 14 mph (22 km/h) | 49% | 0.319% |
| 18:00 21:00 | | Overcast. | 36°F (2°C) | 14 mph (23 km/h) | 53% | 0.318% |
| 21:00 00:00 | | Clear. | 30°F (-1°C) | 13 mph (21 km/h) | 64% | 0.318% |
| Wednesday, February 5 | sunrise: 07:03 sunset: 17:25 |
| Low around 25°F (-4°C), high around 36°F (2°C). Estimated precipitation: 0 in (0.0625 mm). Mostly cloudy skies. Wind: 12 mph (20 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Clear. | 28°F (-2°C) | 12 mph (20 km/h) | 53% | 0.317% |
| 03:00 06:00 | | A few passing clouds. | 26°F (-3°C) | 12 mph (19 km/h) | 45% | 0.317% |
| 06:00 09:00 | | Partly cloudy. | 27°F (-3°C) | 12 mph (19 km/h) | 38% | 0.317% |
| 09:00 12:00 | | Overcast. | 34°F (1°C) | 9 mph (15 km/h) | 29% | 0.316% |
| 12:00 15:00 | | Overcast. | 35°F (2°C) | 9 mph (14 km/h) | 32% | 0.315% |
| 15:00 18:00 | | Overcast. | 34°F (1°C) | 8 mph (12 km/h) | 41% | 0.315% |
| 18:00 21:00 | | Overcast. | 33°F (1°C) | 9 mph (14 km/h) | 47% | 0.314% |
| 21:00 00:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 32°F (0°C) | 9 mph (14 km/h) | 59% | 0.315% |
| Thursday, February 6 | sunrise: 07:02 sunset: 17:26 |
| Low around 30°F (-1°C), high around 37°F (3°C). Chance of rain most of the day (from 6 am to 9 pm). Chance of freezing rain before sunrise (from midnight to 6 am) and again at night (after 9 pm). Estimated precipitation: 1.1 in (28 mm). Overcast skies. Wind: 12 mph (19 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Possibly freezing rain leading to formation of glaze ice. Precipitation: 0.01 in (0.3125 mm). | 31°F (-1°C) | 9 mph (15 km/h) | 73% | 0.316% |
| 03:00 06:00 | | Possibly freezing rain leading to formation of glaze ice. Precipitation: 0.08 in (1.9375 mm). | 31°F (-1°C) | 9 mph (14 km/h) | 88% | 0.322% |
| 06:00 09:00 | | Chance of rain. Precipitation: 0.26 in (6.625 mm). | 32°F (-0°C) | 10 mph (16 km/h) | 95% | 0.342% |
| 09:00 12:00 | | Chance of rain. Precipitation: 0.24 in (6.125 mm). | 33°F (0°C) | 9 mph (14 km/h) | 100% | 0.378% |
| 12:00 15:00 | | Chance of rain. Precipitation: 0.19 in (4.9375 mm). | 33°F (1°C) | 4 mph (6 km/h) | 100% | 0.414% |
| 15:00 18:00 | | Chance of rain. Precipitation: 0.17 in (4.4375 mm). | 35°F (2°C) | 6 mph (9 km/h) | 100% | 0.434% |
| 18:00 21:00 | | Chance of rain. Precipitation: 0.06 in (1.5625 mm). | 35°F (2°C) | 7 mph (12 km/h) | 99% | 0.424% |
| 21:00 00:00 | | Possibly freezing rain leading to formation of glaze ice. Precipitation: 0.08 in (2.0625 mm). | 31°F (-0°C) | 12 mph (19 km/h) | 96% | 0.417% |
| Friday, February 7 | sunrise: 07:01 sunset: 17:27 |
| Low around 23°F (-5°C), high around 31°F (-1°C). Times of sun and clouds. Wind: 14 mph (22 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Partly cloudy. | 28°F (-2°C) | 12 mph (19 km/h) | 92% | 0.402% |
| 03:00 06:00 | | Mostly cloudy. | 25°F (-4°C) | 14 mph (22 km/h) | 93% | 0.396% |
| 06:00 09:00 | | Partly cloudy. | 25°F (-4°C) | 13 mph (20 km/h) | 86% | 0.393% |
| 09:00 12:00 | | More clouds than sun. | 29°F (-2°C) | 10 mph (17 km/h) | 78% | 0.393% |
| 12:00 15:00 | | More sun than clouds. | 30°F (-1°C) | 10 mph (17 km/h) | 76% | 0.398% |
| 15:00 18:00 | | Clear. | 25°F (-4°C) | 5 mph (8 km/h) | 89% | 0.395% |
| 18:00 21:00 | | Mostly clear, with a few passing clouds. | 24°F (-5°C) | 3 mph (6 km/h) | 91% | 0.394% |
| 21:00 00:00 | | Clear. | 24°F (-5°C) | 4 mph (6 km/h) | 90% | 0.395% |
| Saturday, February 8 | sunrise: 07:00 sunset: 17:28 |
| Low around 23°F (-5°C), high around 34°F (1°C). Chance of light snow in the evening (between 6 pm and 9 pm). Estimated precipitation: 0 in (0.125 mm). Mostly cloudy skies. Wind: 7 mph (12 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Mostly clear. | 23°F (-5°C) | 3 mph (5 km/h) | 89% | 0.396% |
| 03:00 06:00 | | Mostly clear, with a few passing clouds. | 23°F (-5°C) | 4 mph (6 km/h) | 87% | 0.398% |
| 06:00 09:00 | | Times of sun and clouds. | 27°F (-3°C) | 4 mph (7 km/h) | 72% | 0.4% |
| 09:00 12:00 | | Overcast. | 33°F (1°C) | 5 mph (8 km/h) | 63% | 0.41% |
| 12:00 15:00 | | Overcast. | 34°F (1°C) | 4 mph (7 km/h) | 72% | 0.416% |
| 15:00 18:00 | | Overcast. | 32°F (0°C) | 5 mph (8 km/h) | 80% | 0.417% |
| 18:00 21:00 | | Chance of light snow. Precipitation: 0 in (0.0625 mm). | 32°F (-0°C) | 5 mph (8 km/h) | 83% | 0.417% |
| 21:00 00:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 31°F (-0°C) | 7 mph (12 km/h) | 83% | 0.418% |
| Sunday, February 9 | sunrise: 06:59 sunset: 17:29 |
| Low around 23°F (-5°C), high around 32°F (0°C). Estimated precipitation: 0.01 in (0.25 mm). Mostly cloudy skies. Wind: 14 mph (22 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 30°F (-1°C) | 7 mph (12 km/h) | 82% | 0.418% |
| 03:00 06:00 | | Overcast. Precipitation: 0.01 in (0.1875 mm). | 29°F (-2°C) | 8 mph (12 km/h) | 91% | 0.418% |
| 06:00 09:00 | | Overcast. | 30°F (-1°C) | 11 mph (18 km/h) | 87% | 0.418% |
| 09:00 12:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 32°F (-0°C) | 14 mph (22 km/h) | 78% | 0.421% |
| 12:00 15:00 | | Overcast. | 31°F (-0°C) | 14 mph (22 km/h) | 66% | 0.423% |
| 15:00 18:00 | | Overcast. | 26°F (-3°C) | 12 mph (20 km/h) | 70% | 0.421% |
| 18:00 21:00 | | Overcast. | 25°F (-4°C) | 10 mph (16 km/h) | 75% | 0.421% |
| 21:00 00:00 | | Clear. | 23°F (-5°C) | 9 mph (14 km/h) | 77% | 0.421% |
| Monday, February 10 | sunrise: 06:58 sunset: 17:30 |
| Low around 21°F (-6°C), high around 32°F (-0°C). More sun than clouds. Wind: 7 mph (11 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Clear. | 22°F (-6°C) | 7 mph (11 km/h) | 77% | 0.423% |
| 03:00 06:00 | | Clear. | 21°F (-6°C) | 5 mph (8 km/h) | 79% | 0.425% |
| 06:00 09:00 | | Sunny. | 24°F (-4°C) | 4 mph (7 km/h) | 64% | 0.427% |
| 09:00 12:00 | | Sunny. | 29°F (-1°C) | 4 mph (6 km/h) | 50% | 0.43% |
| 12:00 15:00 | | Sunny. | 32°F (-0°C) | 4 mph (6 km/h) | 45% | 0.432% |
| 15:00 18:00 | | Overcast. | 27°F (-3°C) | 4 mph (7 km/h) | 62% | 0.432% |
| 18:00 21:00 | | Overcast. | 26°F (-3°C) | 5 mph (8 km/h) | 71% | 0.432% |
| 21:00 00:00 | | Overcast. | 26°F (-3°C) | 5 mph (9 km/h) | 72% | 0.433% |
| Tuesday, February 11 | sunrise: 06:57 sunset: 17:31 |
| Low around 26°F (-3°C), high around 37°F (3°C). Chance of light rain late at night (after 9 pm). Chance of light snow early in the morning, between 3 am and 9 am. Estimated precipitation: 0.04 in (1.125 mm). Overcast skies. Wind: 13 mph (21 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 27°F (-3°C) | 6 mph (10 km/h) | 70% | 0.435% |
| 03:00 06:00 | | Chance of light snow. Precipitation: 0 in (0.125 mm). | 26°F (-3°C) | 7 mph (12 km/h) | 78% | 0.436% |
| 06:00 09:00 | | Chance of light snow. Precipitation: 0 in (0.125 mm). | 28°F (-2°C) | 11 mph (17 km/h) | 68% | 0.437% |
| 09:00 12:00 | | Overcast. Precipitation: 0.01 in (0.25 mm). | 33°F (1°C) | 13 mph (21 km/h) | 52% | 0.438% |
| 12:00 15:00 | | Overcast. | 37°F (3°C) | 12 mph (19 km/h) | 54% | 0.439% |
| 15:00 18:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 34°F (1°C) | 10 mph (16 km/h) | 70% | 0.438% |
| 18:00 21:00 | | Overcast. Precipitation: 0.01 in (0.3125 mm). | 33°F (1°C) | 13 mph (21 km/h) | 76% | 0.437% |
| 21:00 00:00 | | Chance of light rain. Precipitation: 0.01 in (0.25 mm). | 33°F (0°C) | 12 mph (19 km/h) | 92% | 0.438% |
| Wednesday, February 12 | sunrise: 06:56 sunset: 17:33 |
| Low around 32°F (0°C), high around 48°F (9°C). Chance of light rain all morning and afternoon (between 3 am and 6 pm). Estimated precipitation: 0.14 in (3.625 mm). Mostly cloudy skies. Wind: 13 mph (20 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. Precipitation: 0.02 in (0.5 mm). | 34°F (1°C) | 12 mph (20 km/h) | 98% | 0.441% |
| 03:00 06:00 | | Chance of light rain. Precipitation: 0 in (0.0625 mm). | 36°F (2°C) | 10 mph (17 km/h) | 98% | 0.44% |
| 06:00 09:00 | | Chance of light rain. Precipitation: 0.03 in (0.6875 mm). | 38°F (3°C) | 11 mph (17 km/h) | 99% | 0.445% |
| 09:00 12:00 | | Chance of light rain. Precipitation: 0.02 in (0.5 mm). | 43°F (6°C) | 13 mph (20 km/h) | 98% | 0.444% |
| 12:00 15:00 | | Chance of light rain. Precipitation: 0.03 in (0.8125 mm). | 45°F (7°C) | 10 mph (15 km/h) | 99% | 0.439% |
| 15:00 18:00 | | Chance of light rain. Precipitation: 0.02 in (0.625 mm). | 48°F (9°C) | 9 mph (14 km/h) | 99% | 0.417% |
| 18:00 21:00 | | Partly cloudy. Precipitation: 0.02 in (0.4375 mm). | 39°F (4°C) | 10 mph (16 km/h) | 97% | 0.383% |
| 21:00 00:00 | | Clear. | 32°F (0°C) | 10 mph (16 km/h) | 96% | 0.365% |
| Thursday, February 13 | sunrise: 06:55 sunset: 17:34 |
| Low around 24°F (-5°C), high around 37°F (3°C). Estimated precipitation: 0 in (0.0625 mm). Mostly cloudy skies. Wind: 12 mph (19 km/h). |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Mostly clear. | 29°F (-1°C) | 8 mph (13 km/h) | 96% | 0.358% |
| 03:00 06:00 | | Overcast. | 29°F (-2°C) | 9 mph (14 km/h) | 95% | 0.355% |
| 06:00 09:00 | | Overcast. | 33°F (0°C) | 8 mph (12 km/h) | 85% | 0.354% |
| 09:00 12:00 | | Overcast. | 36°F (2°C) | 12 mph (19 km/h) | 73% | 0.351% |
| 12:00 15:00 | | Overcast. | 34°F (1°C) | 11 mph (18 km/h) | 74% | 0.347% |
| 15:00 18:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 32°F (-0°C) | 12 mph (19 km/h) | 77% | 0.343% |
| 18:00 21:00 | | Clear. | 26°F (-3°C) | 10 mph (16 km/h) | 82% | 0.341% |
| 21:00 00:00 | | Clear. | 24°F (-5°C) | 10 mph (16 km/h) | 80% | 0.341% |
Climate Chart
» Alton/St. Louis Climate Chart
Places with a similar climate: Flora (IL), Cahokia / St. Louis (IL), Fairfield (IL), Belleville, Scott (IL), Salem (IL), St. Charles County (MO), Knob Noster City, Johnson County (MO), Farmington (MO), Columbia (MO), Mount Vernon (IL), Robinson (IL), Huntingburg (IN), Rolla / Vichy (MO), Centralia (IL), Warrensburg City, Johnson County (MO), Sedalia (MO), Mount Carmel (IL), Fort Leonard Wood, Pulaski County (MO), Carmi (IL), Effingham (IL), Sparta (IL), Lawrenceville (IL), Litchfield (IL), Taylorville (IL).
Temperature variation graph for the last seven days
Humidity Variation Graph
Wind speed
Weather Station: Alton/St. Louis, St. Louis Regional Airport (latitude 38-54N, longitude 090-03W)
Local Time:
Alton/St. Louis 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.
Alton/St. Louis 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