Partly Cloudy- Wind: 18mph SE
- Humidity: 64%
- UV index: 11
- Precip. probability: 3%
- Precipitation: 0"
- 6:54 am 8:06 pm CDT
AM Clouds / PM Sun- Wind: 17mph SE
- Humidity: 62%
- UV index: 10
- Precip. probability: 10%
- Precipitation: 0.59"
- 6:53 am 8:07 pm CDT
Scattered Thunderstorms- Wind: 12mph NE
- Humidity: 79%
- UV index: 6
- Precip. probability: 58%
- Precipitation: 0.67"
- 6:52 am 8:07 pm CDT
PM Thunderstorms- Wind: 12mph ENE
- Humidity: 77%
- UV index: 6
- Precip. probability: 37%
- Precipitation: 0.04"
- 6:51 am 8:08 pm CDT
Cloudy- Wind: 17mph SE
- Humidity: 77%
- UV index: 7
- Precip. probability: 24%
- Precipitation: 0"
- 6:51 am 8:08 pm CDT
Mostly Cloudy- Wind: 16mph SE
- Humidity: 73%
- UV index: 9
- Precip. probability: 24%
- Precipitation: 0"
- 6:50 am 8:09 pm CDT
Partly Cloudy- Wind: 12mph ESE
- Humidity: 71%
- UV index: 10
- Precip. probability: 24%
- Precipitation: 0.04"
- 6:49 am 8:09 pm CDT
Scattered Thunderstorms- Wind: 12mph ENE
- Humidity: 76%
- UV index: 8
- Precip. probability: 40%
- Precipitation: 0.16"
- 6:49 am 8:10 pm CDT
Scattered Thunderstorms- Wind: 11mph NNE
- Humidity: 61%
- UV index: 10
- Precip. probability: 35%
- Precipitation: 0.16"
- 6:48 am 8:10 pm CDT
Partly Cloudy- Wind: 11mph NE
- Humidity: 57%
- UV index: 11
- Precip. probability: 24%
- Precipitation: 0"
- 6:47 am 8:11 pm CDT
During the upcoming ten-day period, a combination of overcast and unstable weather is predicted.
Rainfall is expected on Saturday, Sunday, Wednesday through next Friday.
Temperature differences will be noticeable in the next ten days. Forecast highs will fluctuate between 80.6°F and 93.2°F, while the lowest temperature will be between 66.2°F and 77°F.
With a maximum temperature of 93.2°F, Thursday, Tuesday and Wednesday will be the hottest days in Alton; with the highest temperature of 80.6°F, Saturday will be the coldest day.
Combining with the humidity, the maximum feel-like temperature may increase significantly and vary between a tropical 86°F and a searing 118.4°F.