Alton - 24 Hour Weather Forecast
Updated: AUG 21 2008 08:00 CDT
| Time (CDT) | Clouds | Temp (°F) | Precipitation Type | Chance of Precipitation | Dewpoint | Relative Humidity | Wind Direction | Wind Speed (mph) | Ceiling Height (ft) | Visibility (mi) | |
| AUG 22 12:00 AM |
 |
Cloudy | ** | Rain | 33% | ** | N/A% | N | ** | >12K | 5 |
| AUG 22 1:00 AM |
|
Cloudy | ** | Rain | 33% | ** | N/A% | N | 99 | >12K | 5 |
| AUG 22 2:00 AM |
 |
Cloudy | ** | Rain | 25% | ** | N/A% | N | ** | >12K | 5 |
| AUG 22 3:00 AM |
|
Cloudy | ** | Rain | 25% | ** | N/A% | N | ** | 6.6K to 12K | 5 |
| AUG 22 4:00 AM |
|
Cloudy | ** | Rain | 25% | ** | N/A% | N | 99 | 6.6K to 12K | 5 |
| AUG 22 5:00 AM |
|
Cloudy | ** | Rain | 25% | ** | N/A% | N | ** | 3.1K to 6.5K | 5 |
| AUG 22 6:00 AM |
|
Cloudy | ** | Rain | 25% | ** | N/A% | N | ** | 1K to 3K | 3 |
| AUG 22 7:00 AM |
|
Cloudy | 70 | Rain | 25% | 69 | 97% | SE | 8 | 500 to 900 | 3 |
| AUG 22 8:00 AM |
|
Cloudy | 73 | Rain | 31% | 70 | 90% | SSE | 08 | 1K to 3K | 3 |
| AUG 22 9:00 AM |
|
Cloudy | 75 | Rain | 31% | 71 | 87% | SSE | 10 | 3.1K to 6.5K | 5 |
| AUG 22 10:00 AM |
|
Cloudy | 78 | Rain | 31% | 72 | 82% | SSE | 10 | 6.6K to 12K | 5 |
| AUG 22 11:00 AM |
|
Cloudy | 80 | Rain | 31% | 72 | 77% | SSE | 10 | 6.6K to 12K | 5 |
| AUG 22 12:00 PM |
|
Mostly Cloudy | 82 | Rain | 31% | 72 | 72% | SSE | 12 | 6.6K to 12K | 6 |
| AUG 22 1:00 PM |
|
Mostly Cloudy | 84 | Rain | 31% | 72 | 67% | SSE | 12 | 6.6K to 12K | 6 |
| AUG 22 2:00 PM |
|
Mostly Cloudy | 85 | Rain | 34% | 72 | 65% | SSE | 12 | >12K | 6 |
| AUG 22 3:00 PM |
|
Mostly Cloudy | 85 | Rain | 34% | 71 | 63% | SSE | 13 | >12K | 10 |
| AUG 22 4:00 PM |
|
Mostly Cloudy | 86 | Rain | 34% | 71 | 61% | SSE | 13 | 10 | |
| AUG 22 5:00 PM |
|
Mostly Cloudy | 85 | Rain | 34% | 71 | 63% | SSE | 13 | 10 | |
| AUG 22 6:00 PM |
|
Mostly Cloudy | 85 | Rain | 34% | 70 | 61% | SSE | 10 | 10 | |
| AUG 22 7:00 PM |
|
Mostly Cloudy | 84 | Rain | 34% | 70 | 63% | SSE | 10 | 10 | |
| AUG 22 8:00 PM |
 |
Mostly Cloudy | 81 | - | 8% | 70 | 69% | SSE | 10 | 10 | |
| AUG 22 9:00 PM |
 |
Partly Cloudy | 79 | - | 8% | 70 | 74% | SSE | 07 | 10 | |
| AUG 22 10:00 PM |
|
Partly Cloudy | 76 | - | 8% | 70 | 82% | SSE | 7 | 10 | |
| AUG 22 11:00 PM |
|
Partly Cloudy | ** | - | 8% | ** | N/A% | N | ** | 10 |