Partly Cloudy- Wind: 18mph N
- Humidity: 54%
- UV index: 0
- Precip. probability: 2%
- Precipitation: 0"
- 7:11 am 8:05 pm CDT
Mostly Sunny- Wind: 6mph WNW
- Humidity: 40%
- UV index: 6
- Precip. probability: 3%
- Precipitation: 0"
- 7:09 am 8:06 pm CDT
Sunny- Wind: 11mph NNE
- Humidity: 41%
- UV index: 6
- Precip. probability: 1%
- Precipitation: 0"
- 7:08 am 8:07 pm CDT
Mostly Sunny- Wind: 16mph SSE
- Humidity: 38%
- UV index: 6
- Precip. probability: 2%
- Precipitation: 0"
- 7:06 am 8:08 pm CDT
Mostly Sunny- Wind: 16mph NW
- Humidity: 40%
- UV index: 7
- Precip. probability: 2%
- Precipitation: 0"
- 7:05 am 8:09 pm CDT
Mostly Sunny- Wind: 19mph NNW
- Humidity: 36%
- UV index: 7
- Precip. probability: 3%
- Precipitation: 0"
- 7:03 am 8:10 pm CDT
Sunny- Wind: 11mph S
- Humidity: 35%
- UV index: 7
- Precip. probability: 1%
- Precipitation: 0"
- 7:02 am 8:11 pm CDT
Partly Cloudy- Wind: 19mph SSE
- Humidity: 42%
- UV index: 7
- Precip. probability: 1%
- Precipitation: 0"
- 7:00 am 8:12 pm CDT
Partly Cloudy- Wind: 17mph S
- Humidity: 41%
- UV index: 7
- Precip. probability: 3%
- Precipitation: 0"
- 6:59 am 8:13 pm CDT
Partly Cloudy- Wind: 19mph WNW
- Humidity: 34%
- UV index: 7
- Precip. probability: 4%
- Precipitation: 0"
- 6:57 am 8:14 pm CDT
Ten-day trends indicate that a combination of sun-filled and cloudy weather is forecasted.
Rainfall is not predicted in Alton in the upcoming days.
Significant changes in temperature are expected throughout the forecast window. Highs will range from 60.8°F to 87.8°F, while there will be also a marked difference in overnight low temperatures, as the lowest temperatures will be recorded between 23°F and 55.4°F.
The hottest day will be next Sunday, with a maximum of 87.8°F; with the highest temperature of 60.8°F, Sunday will be the coldest day.