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 Alton Weather Forecast Summary |
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Today
Dec 12th
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Saturday
Dec 13th
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Sunday
Dec 14th
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Monday
Dec 15th
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Tuesday
Dec 16th
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Cloudy |
Cloudy |
Cloudy |
Thundershowers |
Showers |
31°C
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35°C
21°C |
35°C
23°C |
34°C
22°C |
25°C
18°C |
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| Alton Detailed Weather Forecast |
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| Friday, December 12th, 2025 |
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Overnight |
Temperature: 22°C |
| Cloudy with a chance of showers. Wind 30 to 50 km/h. |
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Morning |
Temperature: 28°C |
| Cloudy with a slight chance of showers or thundershowers. Windy at times. |
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Afternoon |
Temperature: 29°C |
| Sunny with a chance of showers or thundershowers. Windy at times. |
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Evening |
Temperature: 23°C |
| Clear with a chance of showers. Windy. |
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| Saturday, December 13th, 2025 |
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Overnight |
Temperature: 22°C |
| Clear with cloudy periods. Windy. |
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Morning |
Temperature: 32°C |
| Sunny. Slight chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 34°C |
| Cloudy. |
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Evening |
Temperature: 23°C |
| Cloudy with a chance of showers. Windy. |
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| Sunday, December 14th, 2025 |
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Overnight |
Temperature: 24°C |
| Cloudy with a slight chance of showers. Windy at times. |
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Morning |
Temperature: 33°C |
| A mix of cloud and sun. Chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 33°C |
| Cloudy. Slight chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 27°C |
| Cloudy. Slight chance of a thunderstorm. |
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| Monday, December 15th, 2025 |
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Overnight |
Temperature: 26°C |
| Cloudy. Slight chance of a thunderstorm. Windy at times. |
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Morning |
Temperature: 33°C |
| Cloudy. Chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 26°C |
| Cloudy with a few showers. Windy at times. |
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Evening |
Temperature: 22°C |
| Cloudy. Slight chance of a thunderstorm. Windy at times. |
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| Tuesday, December 16th, 2025 |
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Overnight |
Temperature: 22°C |
| Cloudy with a chance of showers. Slight chance of a thunderstorm. Windy. |
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Morning |
Temperature: 24°C |
| Cloudy with showers likely. Slight chance of a thunderstorm. Windy. |
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Afternoon |
Temperature: 22°C |
| Cloudy with a chance of showers. Windy. |
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Evening |
Temperature: 19°C |
| A mix of cloudy and clear skies. Windy. |
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| Wednesday, December 17th, 2025 |
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Overnight |
Temperature: 18°C |
| Cloudy with clear periods. Windy. |
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Morning |
Temperature: 27°C |
| Mostly sunny. Windy. |
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Afternoon |
Temperature: 28°C |
| Cloudy. Windy. |
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Evening |
Temperature: 21°C |
| Clear with cloudy periods. Windy. |
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| Thursday, December 18th, 2025 |
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Overnight |
Temperature: 19°C |
| Clear. Windy at times. |
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Morning |
Temperature: 28°C |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 30°C |
| Sunny. |
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Evening |
Temperature: 25°C |
| Clear. Windy at times. |
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| Friday, December 19th, 2025 |
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Overnight |
Temperature: 22°C |
| Cloudy. Windy at times. |
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Morning |
Temperature: 31°C |
| Cloudy. |
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Afternoon |
Temperature: 32°C |
| Cloudy. |
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Evening |
Temperature: 28°C |
| Cloudy. Windy at times. |
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| Saturday, December 20th, 2025 |
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Overnight |
Temperature: 27°C |
| Cloudy. Windy at times. |
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Morning |
Temperature: 34°C |
| Cloudy. |
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Afternoon |
Temperature: 35°C |
| Mostly sunny. Windy at times. |
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Evening |
Temperature: 28°C |
| Clear. Windy at times. |
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