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 Alton Weather Forecast Summary |
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Today
Nov 16th
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Monday
Nov 17th
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Tuesday
Nov 18th
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Wednesday
Nov 19th
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Thursday
Nov 20th
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Cloudy |
Mix of rain and snow |
Mix of rain and snow |
Cloudy |
Cloudy |
50°F
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50°F
38°F |
46°F
38°F |
54°F
37°F |
55°F
42°F |
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| Alton Detailed Weather Forecast |
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| Sunday, November 16th, 2025 |
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Morning |
Temperature: 44°F |
| Cloudy. |
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Afternoon |
Temperature: 44°F |
| A mix of cloud and sun. |
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Evening |
Temperature: 40°F |
| Clear with cloudy periods. |
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| Monday, November 17th, 2025 |
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Overnight |
Temperature: 38°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 46°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: 46°F |
| Cloudy with a chance of showers. Windy at times. |
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Evening |
Temperature: 43°F |
| Cloudy with showers likely. Windy at times. |
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| Tuesday, November 18th, 2025 |
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Overnight |
Temperature: 39°F |
| Cloudy with a few showers. Showers possibly mixed with wet flurries. Windy at times. |
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Morning |
Temperature: 43°F |
| Sunny with cloudy periods. Windy at times. |
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Afternoon |
Temperature: 41°F |
| Sunny. |
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Evening |
Temperature: 39°F |
| Cloudy. |
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| Wednesday, November 19th, 2025 |
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Overnight |
Temperature: 37°F |
| Cloudy. |
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Morning |
Temperature: 47°F |
| Sunny with cloudy periods. Windy at times. |
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Afternoon |
Temperature: 47°F |
| Sunny. |
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Evening |
Temperature: 44°F |
| Cloudy. |
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| Thursday, November 20th, 2025 |
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Overnight |
Temperature: 43°F |
| Cloudy. |
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Morning |
Temperature: 51°F |
| Cloudy. |
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Afternoon |
Temperature: 51°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 50°F |
| Cloudy. Windy at times. |
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| Friday, November 21st, 2025 |
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Overnight |
Temperature: 48°F |
| Cloudy with a chance of showers. Windy. |
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Morning |
Temperature: 45°F |
| Cloudy with a few showers. Windy. |
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Afternoon |
Temperature: 44°F |
| Cloudy with a chance of showers. Windy at times. |
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Evening |
Temperature: 44°F |
| Cloudy. Windy at times. |
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| Saturday, November 22nd, 2025 |
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Overnight |
Temperature: 38°F |
| Clear. |
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Morning |
Temperature: 46°F |
| Mostly sunny. |
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Afternoon |
Temperature: 45°F |
| A mix of cloud and sun. |
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Evening |
Temperature: 43°F |
| Clear with cloudy periods. |
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| Sunday, November 23rd, 2025 |
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Overnight |
Temperature: 41°F |
| Clear. |
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Morning |
Temperature: 47°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 45°F |
| Sunny. |
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Evening |
Temperature: 41°F |
| A mix of cloudy and clear skies. |
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| Monday, November 24th, 2025 |
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Overnight |
Temperature: 38°F |
| Clear. |
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Morning |
Temperature: 47°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 47°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 45°F |
| Mostly clear. |
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