 |
 Current Alton Weather Conditions |
Updated January 15th at 12:45 pm |
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| Temperature: | 27°F |
Dew Point: | 5°F |
| Barometer: | 30.04 inHg |
Wind: | N 13 Mph |
| Humidity: | 37.1% |
Visibility: | 0M |
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| Alton Weather Forecast Summary |
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Today
Jan 15th
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Friday
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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Cloudy |
Cloudy |
Cloudy |
Cloudy |
Mostly Sunny |
32°F
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41°F
31°F |
25°F
16°F |
27°F
14°F |
20°F
13°F |
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| Alton Detailed Weather Forecast |
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| Thursday, January 15th, 2026 |
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Afternoon |
Temperature: 27°F |
| A mix of cloud and sun. |
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Evening |
Temperature: 31°F |
| Cloudy with a chance of flurries. Windy at times. |
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| Friday, January 16th, 2026 |
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Overnight |
Temperature: 32°F |
| Cloudy with clear periods. Windy at times. |
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Morning |
Temperature: 38°F |
| Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy at times. |
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Afternoon |
Temperature: 36°F |
| Cloudy with a slight chance of showers. Showers possibly mixed with wet flurries. Windy at times. |
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Evening |
Temperature: 32°F |
| Cloudy with a chance of flurries or showers. Risk of freezing rain. 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: 23°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: 19°F |
| Sunny with cloudy periods. 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: 14°F |
| Clear. |
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Morning |
Temperature: 21°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 25°F |
| Sunny with cloudy periods. |
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Evening |
Temperature: 25°F |
| Clear. Windy at times. |
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| Monday, January 19th, 2026 |
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Overnight |
Temperature: 18°F |
| Clear with cloudy periods. Windy. |
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Morning |
Temperature: 17°F |
| Sunny with cloudy periods. Windy. |
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Afternoon |
Temperature: 18°F |
| Sunny. |
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Evening |
Temperature: 16°F |
| Clear. |
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| Tuesday, January 20th, 2026 |
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Overnight |
Temperature: 16°F |
| Clear. |
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Morning |
Temperature: 27°F |
| Sunny with cloudy periods. Windy at times. |
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Afternoon |
Temperature: 25°F |
| Sunny. |
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Evening |
Temperature: 23°F |
| Clear. |
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| Wednesday, January 21st, 2026 |
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Overnight |
Temperature: 24°F |
| Cloudy. |
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Morning |
Temperature: 39°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 31°F |
| Sunny. |
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Evening |
Temperature: 27°F |
| Cloudy. |
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| Thursday, January 22nd, 2026 |
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Overnight |
Temperature: 24°F |
| Clear with cloudy periods. |
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Morning |
Temperature: 32°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 33°F |
| Cloudy. |
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Evening |
Temperature: 36°F |
| Cloudy with a slight chance of showers. Showers possibly mixed with wet flurries. Windy at times. |
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| Friday, January 23rd, 2026 |
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Overnight |
Temperature: 37°F |
| Cloudy. |
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Morning |
Temperature: 40°F |
| Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy at times. |
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Afternoon |
Temperature: 42°F |
| Cloudy. |
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Evening |
Temperature: 42°F |
| Cloudy with a chance of showers. |
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