Partly Cloudy- Wind: 14mph S
- Humidity: 68%
- UV index: 0
- Precip. probability: 8%
- Precipitation: 0"
- 6:30 am 7:09 pm CDT
AM Clouds / PM Sun- Wind: 14mph S
- Humidity: 63%
- UV index: 6
- Precip. probability: 10%
- Precipitation: 0"
- 6:29 am 7:09 pm CDT
AM Clouds / PM Sun- Wind: 14mph S
- Humidity: 60%
- UV index: 8
- Precip. probability: 13%
- Precipitation: 0"
- 6:28 am 7:10 pm CDT
AM Clouds / PM Sun- Wind: 16mph S
- Humidity: 60%
- UV index: 8
- Precip. probability: 10%
- Precipitation: 0.47"
- 6:26 am 7:11 pm CDT
Thunderstorms- Wind: 11mph SW
- Humidity: 82%
- UV index: 5
- Precip. probability: 99%
- Precipitation: 1.14"
- 6:25 am 7:12 pm CDT
Cloudy- Wind: 10mph NNW
- Humidity: 65%
- UV index: 5
- Precip. probability: 10%
- Precipitation: 0"
- 6:24 am 7:12 pm CDT
Sunny- Wind: 11mph NNW
- Humidity: 45%
- UV index: 8
- Precip. probability: 3%
- Precipitation: 0"
- 6:22 am 7:13 pm CDT
Sunny- Wind: 6mph ESE
- Humidity: 43%
- UV index: 8
- Precip. probability: 2%
- Precipitation: 0"
- 6:21 am 7:14 pm CDT
Partly Cloudy- Wind: 9mph SSW
- Humidity: 47%
- UV index: 8
- Precip. probability: 24%
- Precipitation: 0"
- 6:20 am 7:15 pm CDT
Mostly Sunny- Wind: 11mph WNW
- Humidity: 50%
- UV index: 8
- Precip. probability: 20%
- Precipitation: 0"
- 6:19 am 7:15 pm CDT
Looking ahead, conditions suggest a period of gloomy, sun-filled and thunderstorm-prone weather is forecasted.
With a probability of 99%, rainfall is expected only on Sunday. Expected precipitation will be high at 1.14".
Temperature fluctuation will be noticeable in the next ten days. Maximum temperatures are forecasted between 59°F and 86°F, while there will be also a marked difference in overnight low temperatures, as nighttime lows are forecast to fall between 35.6°F and 68°F.
With a maximum temperature of 86°F, Thursday through Saturday will be the hottest days in Alton; with the highest temperature of 59°F, Monday will be the coldest day.