Alton - 24 Hour Weather Forecast
Updated: JUL 25 2008 02:00 EDT
| Time (EDT) | Clouds | Temp (°F) | Precipitation Type | Chance of Precipitation | Dewpoint | Relative Humidity | Wind Direction | Wind Speed (mph) | Ceiling Height (ft) | Visibility (mi) | |
| JUL 25 6:00 PM |
 |
Mostly Sunny | 82 | - | 0% | 56 | 41% | S | 05 | 10 | |
| JUL 25 7:00 PM |
 |
Clear | 78 | - | 0% | 57 | 49% | S | 02 | 10 | |
| JUL 25 8:00 PM |
|
Clear | 75 | - | 0% | 58 | 56% | S | 2 | 10 | |
| JUL 25 9:00 PM |
|
Clear | 73 | - | 0% | 58 | 59% | S | 02 | 10 | |
| JUL 25 10:00 PM |
|
Clear | 70 | - | 0% | 58 | 66% | S | 02 | 10 | |
| JUL 25 11:00 PM |
|
Clear | 68 | - | 0% | 58 | 70% | S | 2 | 10 | |
| JUL 26 12:00 AM |
|
Clear | 67 | - | 0% | 58 | 73% | S | 02 | 10 | |
| JUL 26 1:00 AM |
|
Clear | 65 | - | 0% | 58 | 78% | SSE | 01 | 10 | |
| JUL 26 2:00 AM |
|
Clear | 64 | - | 0% | 58 | 81% | SW | 1 | 10 | |
| JUL 26 3:00 AM |
|
Clear | 63 | - | 2% | 58 | 84% | SW | 01 | 10 | |
| JUL 26 4:00 AM |
|
Clear | 62 | - | 2% | 58 | 87% | SW | 01 | 10 | |
| JUL 26 5:00 AM |
|
Clear | 61 | - | 2% | 58 | 90% | SW | 1 | 10 | |
| JUL 26 6:00 AM |
|
Clear | 63 | - | 2% | 59 | 87% | SW | 01 | 10 | |
| JUL 26 7:00 AM |
|
Clear | 65 | - | 2% | 60 | 84% | SW | 02 | 10 | |
| JUL 26 8:00 AM |
|
Clear | 67 | - | 2% | 61 | 81% | SW | 2 | 10 | |
| JUL 26 9:00 AM |
|
Clear | 72 | - | 1% | 61 | 68% | SSW | 02 | 10 | |
| JUL 26 10:00 AM |
|
Clear | 76 | - | 1% | 60 | 58% | SSW | 04 | 10 | |
| JUL 26 11:00 AM |
|
Clear | 81 | - | 1% | 60 | 49% | SSW | 4 | 10 | |
| JUL 26 12:00 PM |
|
Clear | 83 | - | 1% | 59 | 44% | SSW | 04 | 10 | |
| JUL 26 1:00 PM |
 |
Partly Cloudy | 85 | - | 1% | 59 | 42% | SSW | 05 | >12K | 10 |
| JUL 26 2:00 PM |
|
Partly Cloudy | 87 | - | 1% | 58 | 38% | SW | 5 | >12K | 10 |
| JUL 26 3:00 PM |
|
Partly Cloudy | 88 | - | 5% | 58 | 36% | SW | 05 | >12K | 10 |
| JUL 26 4:00 PM |
|
Partly Cloudy | 88 | - | 5% | 58 | 36% | SW | 05 | 10 | |
| JUL 26 5:00 PM |
|
Partly Cloudy | 89 | - | 5% | 58 | 35% | SW | 5 | 10 |