 |
 Current Alton Weather Conditions |
Updated February 15th at 10:45 am |
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| Overcast |
| Temperature: | 48°F |
Dew Point: | 43°F |
| Barometer: | 30.01 inHg |
Wind: | N 24 Mph |
| Humidity: | 81.5% |
Visibility: | 0M |
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| Alton Weather Forecast Summary |
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Today
Feb 15th
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Monday
Feb 16th
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Tuesday
Feb 17th
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Wednesday
Feb 18th
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Thursday
Feb 19th
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Showers |
Cloudy |
Cloudy |
Cloudy |
Cloudy |
59°F
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62°F
43°F |
60°F
46°F |
68°F
52°F |
72°F
49°F |
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| Alton Detailed Weather Forecast |
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| Sunday, February 15th, 2026 |
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Morning |
Temperature: 53°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 52°F |
| Sunny. |
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Evening |
Temperature: 48°F |
| Clear. |
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| Monday, February 16th, 2026 |
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Overnight |
Temperature: 44°F |
| Cloudy. |
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Morning |
Temperature: 56°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 54°F |
| Cloudy. |
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Evening |
Temperature: 49°F |
| Cloudy. |
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| Tuesday, February 17th, 2026 |
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Overnight |
Temperature: 46°F |
| Cloudy. |
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Morning |
Temperature: 55°F |
| Cloudy. Windy. |
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Afternoon |
Temperature: 59°F |
| Cloudy. Windy. |
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Evening |
Temperature: 58°F |
| Cloudy. Windy. |
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| Wednesday, February 18th, 2026 |
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Overnight |
Temperature: 58°F |
| Cloudy. Windy. |
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Morning |
Temperature: 65°F |
| Sunny with a slight chance of showers. Windy at times. |
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Afternoon |
Temperature: 58°F |
| Sunny. |
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Evening |
Temperature: 54°F |
| Cloudy. |
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| Thursday, February 19th, 2026 |
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Overnight |
Temperature: 49°F |
| Clear. |
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Morning |
Temperature: 64°F |
| Mostly sunny. Slight chance of a thunderstorm. Windy. |
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Afternoon |
Temperature: 61°F |
| Cloudy. Windy. |
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Evening |
Temperature: 53°F |
| Cloudy. Wind 20 to 30 mph. |
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| Friday, February 20th, 2026 |
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Overnight |
Temperature: 39°F |
| Cloudy. Windy. |
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Morning |
Temperature: 42°F |
| Cloudy. Windy at times. |
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Afternoon |
Temperature: 43°F |
| Mostly cloudy. |
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Evening |
Temperature: 40°F |
| Cloudy. |
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| Saturday, February 21st, 2026 |
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Overnight |
Temperature: 33°F |
| Cloudy. |
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Morning |
Temperature: 43°F |
| Sunny with cloudy periods. |
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Afternoon |
Temperature: 43°F |
| Mostly cloudy. |
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Evening |
Temperature: 40°F |
| Cloudy. |
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| Sunday, February 22nd, 2026 |
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Overnight |
Temperature: 35°F |
| Clear with cloudy periods. |
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Morning |
Temperature: 37°F |
| Sunny with cloudy periods. Windy. |
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Afternoon |
Temperature: 34°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 28°F |
| Clear. Windy at times. |
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| Monday, February 23rd, 2026 |
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Overnight |
Temperature: 23°F |
| Clear. Windy at times. |
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Morning |
Temperature: 32°F |
| Sunny. Windy at times. |
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Afternoon |
Temperature: 30°F |
| Sunny. |
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Evening |
Temperature: 27°F |
| Clear. |
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