Mostly Clear- Wind: 4mph NNW
- Humidity: 82%
- UV index: 0
- Precip. probability: 3%
- Precipitation: 0"
- 6:34 am 8:24 pm EDT
Mostly Cloudy- Wind: 4mph N
- Humidity: 47%
- UV index: 8
- Precip. probability: 7%
- Precipitation: 0"
- 6:33 am 8:24 pm EDT
Sunny- Wind: 5mph NW
- Humidity: 49%
- UV index: 11
- Precip. probability: 6%
- Precipitation: 0"
- 6:33 am 8:25 pm EDT
Sunny- Wind: 4mph NE
- Humidity: 53%
- UV index: 11
- Precip. probability: 7%
- Precipitation: 0"
- 6:32 am 8:26 pm EDT
Mostly Sunny- Wind: 6mph S
- Humidity: 58%
- UV index: 11
- Precip. probability: 21%
- Precipitation: 0"
- 6:32 am 8:26 pm EDT
Mostly Sunny- Wind: 7mph S
- Humidity: 62%
- UV index: 11
- Precip. probability: 24%
- Precipitation: 0"
- 6:32 am 8:27 pm EDT
Partly Cloudy- Wind: 9mph SW
- Humidity: 65%
- UV index: 11
- Precip. probability: 24%
- Precipitation: 0"
- 6:31 am 8:27 pm EDT
Partly Cloudy- Wind: 7mph WSW
- Humidity: 67%
- UV index: 8
- Precip. probability: 24%
- Precipitation: 0"
- 6:31 am 8:28 pm EDT
Partly Cloudy- Wind: 6mph WNW
- Humidity: 63%
- UV index: 11
- Precip. probability: 24%
- Precipitation: 0"
- 6:31 am 8:29 pm EDT
Mostly Sunny- Wind: 6mph NW
- Humidity: 58%
- UV index: 11
- Precip. probability: 16%
- Precipitation: 0"
- 6:30 am 8:29 pm EDT
In the days ahead, a combination of sunny and cloud-filled weather is predicted.
Rainfall is not forecasted in Alton in the upcoming period.
In the upcoming period, the highest temperature will range between 87.8°F and 96.8°F, while the minimum temperature is forecast to range between 60.8°F and 69.8°F.
Expect the hottest day on Saturday, with temperatures peaking at 96.8°F; expect the coldest day on next Friday with a high of 87.8°F.
Including the humidity's impact, the maximum feel-like temperature may increase substantially and range between a blazing 93.2°F and a life-threatening 114.8°F.