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 Alton Weather Forecast Summary |
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Today
Dec 31st
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Thursday
Jan 1st
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Friday
Jan 2nd
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Saturday
Jan 3rd
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Sunday
Jan 4th
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Cloudy |
Cloudy |
Thundershowers |
Showers |
Cloudy |
36°C
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35°C
23°C |
35°C
23°C |
25°C
21°C |
33°C
22°C |
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| Alton Detailed Weather Forecast |
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| Wednesday, December 31st, 2025 |
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Morning |
Temperature: 35°C |
| Cloudy. Slight chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 30°C |
| Cloudy with a slight chance of showers. Windy. |
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Evening |
Temperature: 25°C |
| Cloudy. Slight chance of a thunderstorm. Windy at times. |
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| Thursday, January 1st, 2026 |
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Overnight |
Temperature: 24°C |
| Cloudy. Slight chance of a thunderstorm. Windy at times. |
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Morning |
Temperature: 33°C |
| Cloudy. Slight chance of a thunderstorm. |
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Afternoon |
Temperature: 34°C |
| Cloudy. Windy at times. |
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Evening |
Temperature: 28°C |
| Cloudy. Slight chance of a thunderstorm. Wind 30 to 50 km/h. |
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| Friday, January 2nd, 2026 |
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Overnight |
Temperature: 25°C |
| A mix of cloudy and clear skies with a chance of showers or thundershowers. Windy. |
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Morning |
Temperature: 33°C |
| Sunny with cloudy periods with a slight chance of showers or thundershowers. Windy. |
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Afternoon |
Temperature: 27°C |
| Mostly cloudy with showers likely. Slight chance of a thunderstorm. Wind 30 to 50 km/h. |
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Evening |
Temperature: 24°C |
| Cloudy with showers likely. Slight chance of a thunderstorm. Windy at times. |
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| Saturday, January 3rd, 2026 |
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Overnight |
Temperature: 21°C |
| Cloudy with showers likely. Wind 30 to 50 km/h. |
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Morning |
Temperature: 24°C |
| Cloudy with showers likely. Windy at times. |
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Afternoon |
Temperature: 25°C |
| Cloudy. |
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Evening |
Temperature: 24°C |
| Cloudy. Windy at times. |
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| Sunday, January 4th, 2026 |
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Overnight |
Temperature: 23°C |
| Cloudy. Slight chance of a thunderstorm. Windy at times. |
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Morning |
Temperature: 31°C |
| Cloudy. Slight chance of a thunderstorm. |
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Afternoon |
Temperature: 31°C |
| Cloudy. Slight chance of a thunderstorm. |
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Evening |
Temperature: 27°C |
| Cloudy. Slight chance of a thunderstorm. Windy at times. |
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| Monday, January 5th, 2026 |
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Overnight |
Temperature: 26°C |
| Cloudy. Slight chance of a thunderstorm. Windy at times. |
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Morning |
Temperature: 32°C |
| Cloudy. Chance of a thunderstorm. |
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Afternoon |
Temperature: 31°C |
| Cloudy with a chance of showers. Slight chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 26°C |
| Cloudy with clear periods with a chance of showers. Slight chance of a thunderstorm. Windy. |
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| Tuesday, January 6th, 2026 |
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Overnight |
Temperature: 24°C |
| Clear with cloudy periods with a chance of showers. Slight chance of a thunderstorm. Windy at times. |
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Morning |
Temperature: 32°C |
| Sunny. Chance of a thunderstorm. |
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Afternoon |
Temperature: 34°C |
| Sunny with cloudy periods. Slight chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 28°C |
| A mix of cloudy and clear skies. Slight chance of a thunderstorm. Windy. |
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| Wednesday, January 7th, 2026 |
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Overnight |
Temperature: 25°C |
| Mostly clear. Windy. |
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Morning |
Temperature: 33°C |
| Sunny. Slight chance of a thunderstorm. Windy at times. |
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Afternoon |
Temperature: 36°C |
| Mostly sunny. Windy at times. |
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Evening |
Temperature: 29°C |
| Clear. Windy. |
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| Thursday, January 8th, 2026 |
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Overnight |
Temperature: 25°C |
| Cloudy. Windy at times. |
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Morning |
Temperature: 32°C |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 34°C |
| Cloudy. Windy at times. |
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Evening |
Temperature: 29°C |
| Cloudy. Windy. |
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