 |
 Current Alton Weather Conditions |
Updated January 16th at 2:55 am |
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| Overcast |
| Temperature: | 34°F |
Dew Point: | 16°F |
| Barometer: | 29.71 inHg |
Wind: | N 19 Mph |
| Humidity: | 46.8% |
Visibility: | 0M |
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| Alton Weather Forecast Summary |
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Today
Jan 16th
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Saturday
Jan 17th
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Sunday
Jan 18th
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Monday
Jan 19th
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Tuesday
Jan 20th
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 |
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Cloudy |
Cloudy |
Cloudy |
Cloudy |
Cloudy |
42°F
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24°F
17°F |
30°F
15°F |
21°F
13°F |
30°F
15°F |
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| Alton Detailed Weather Forecast |
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| Friday, January 16th, 2026 |
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Morning |
Temperature: 37°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 34°F |
| Cloudy. |
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Evening |
Temperature: 31°F |
| Cloudy with a slight chance of flurries or showers. Windy at times. |
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| Saturday, January 17th, 2026 |
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Overnight |
Temperature: 23°F |
| Clear with cloudy periods. Windy at times. |
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Morning |
Temperature: 22°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: 20°F |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: 17°F |
| Clear. Windy at times. |
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| Sunday, January 18th, 2026 |
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Overnight |
Temperature: 15°F |
| Clear with cloudy periods. |
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Morning |
Temperature: 23°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 30°F |
| Sunny. Windy. |
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Evening |
Temperature: 24°F |
| Clear with cloudy periods. Windy. |
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| Monday, January 19th, 2026 |
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Overnight |
Temperature: 15°F |
| Clear. Windy. |
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Morning |
Temperature: 17°F |
| Sunny. Windy. |
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Afternoon |
Temperature: 18°F |
| Cloudy. |
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Evening |
Temperature: 17°F |
| Cloudy. |
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| Tuesday, January 20th, 2026 |
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Overnight |
Temperature: 15°F |
| Clear. |
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Morning |
Temperature: 25°F |
| A mix of sun and cloud. Windy at times. |
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Afternoon |
Temperature: 25°F |
| Cloudy. |
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Evening |
Temperature: 25°F |
| Cloudy. Windy at times. |
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| Wednesday, January 21st, 2026 |
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Overnight |
Temperature: 31°F |
| Cloudy. Windy. |
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Morning |
Temperature: 40°F |
| Sunny with cloudy periods. Windy. |
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Afternoon |
Temperature: 30°F |
| Sunny. |
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Evening |
Temperature: 27°F |
| A mix of cloudy and clear skies. |
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| Thursday, January 22nd, 2026 |
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Overnight |
Temperature: 24°F |
| Mostly clear. |
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Morning |
Temperature: 28°F |
| Sunny with cloudy periods. |
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Afternoon |
Temperature: 25°F |
| Sunny. |
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Evening |
Temperature: 23°F |
| Cloudy. |
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| Friday, January 23rd, 2026 |
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Overnight |
Temperature: 21°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 30°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: 35°F |
| Cloudy. Windy at times. |
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Evening |
Temperature: 35°F |
| Cloudy. Windy at times. |
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| Saturday, January 24th, 2026 |
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Overnight |
Temperature: 33°F |
| Cloudy. Windy at times. |
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Morning |
Temperature: 30°F |
| Sunny with cloudy periods. Windy. |
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Afternoon |
Temperature: 21°F |
| Sunny. Windy. |
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Evening |
Temperature: 10°F |
| Clear. Windy. |
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