10-Day Weather Forecast - Alton, IL
- 19|14°FSunnyHourly details
Today
19°FSunny cooler. Near steady temperature around 20. Northwest winds 10 to 15 mph with gusts up to 25 mph. Wind chill values as low as 5 above.
Tonight
14°FMostly clear in the evening then becoming partly cloudy. Lows around 13. Southwest winds around 5 mph.
- 37|32°FMostly SunnyHourly details
Day
37°FMostly sunny. Not as cool with highs in the upper 30s. South winds 5 to 10 mph. Wind chill values as low as 5 above in the morning.
Night
32°FPartly cloudy in the evening then becoming mostly cloudy. Not as cool. Near steady temperature in the lower 30s. South winds 10 to 15 mph with gusts up to 30 mph.
- 42|27°FSunnyHourly details
Day
42°FSunny. Highs in the mid 40s. West winds 10 to 15 mph with gusts up to 25 mph.
Night
27°FMostly clear. Lows in the lower 20s. Highs in the mid 30s.
- 35|21°FMostly SunnyHourly details
Day
35°FMostly clear. Lows in the lower 20s. Highs in the mid 30s.
Night
21°FMostly cloudy. Lows around 20. Highs in the mid 20s. Wind chill values as low as 5 above.
- 19|4°FMostly CloudyHourly details
Day
19°FMostly cloudy. Lows around 20. Highs in the mid 20s. Wind chill values as low as 5 above.
Night
4°FMostly cloudy. A 20 percent chance of snow. Lows around zero. Highs around 15. Wind chill values as low as 15 below.
Weekend Weather
- 14|6°FMostly CloudyHourly details
Day
14°FMostly cloudy. A 20 percent chance of snow. Lows around zero. Highs around 15. Wind chill values as low as 15 below.
Night
6°FMostly cloudy. A chance of snow mainly in the evening. Lows 5 to 10 above. Chance of snow 30 percent. Wind chill values as low as 5 below.
- 20|12°FMostly Sunny
Day
20°FMostly sunny. Not as cool with highs in the mid 20s. Wind chill values as low as 5 below in the morning.
Night
12°FClear. Low temperature around 12F. Dew point will be around 5F with an average humidity of 63%. Winds will be 3 mph from the NW.
- 27|18°FSunny
Day
27°FSunny. High temperature around 27F. Dew point will be around 8F with an average humidity of 60%. Winds will be 3 mph from the SW.
Night
18°FClear. Low temperature around 18F. Dew point will be around 13F with an average humidity of 70%. Winds will be 2 mph from the SW.
- 27|19°FMostly Cloudy
Day
27°FMostly cloudy. High temperature around 27F. Dew point will be around 15F with an average humidity of 68%. Winds will be 1 mph from the SE.
Night
19°FCloudy. Low temperature around 19F. Dew point will be around 15F with an average humidity of 70%. Winds will be 2 mph from the N.
- 26|16°FPartly Cloudy
Day
26°FPartly cloudy. High temperature around 26F. Dew point will be around 14F with an average humidity of 66%. Winds will be 3 mph from the NW.
Night
16°FClear. Low temperature around 16F. Dew point will be around 12F with an average humidity of 70%. Winds will be 3 mph from the NW.
