Weather in Alton, Illinois, United States

7-Day Detailed Weather Forecast for Alton

Tonight

Temperature: 27°F

Wind Speed: 5 mph

Wind Direction: NW

Forecast: A chance of snow showers between 4am and 5am. Mostly cloudy, with a low around 27. Northwest wind around 5 mph.

New Year's Day

Temperature: 38°F

Wind Speed: 2 to 6 mph

Wind Direction: N

Forecast: Partly sunny, with a high near 38. North wind 2 to 6 mph.

Thursday Night

Temperature: 27°F

Wind Speed: 3 mph

Wind Direction: NE

Forecast: Partly cloudy, with a low around 27. Northeast wind around 3 mph.

Friday

Temperature: 42°F

Wind Speed: 2 to 7 mph

Wind Direction: E

Forecast: Mostly cloudy, with a high near 42. East wind 2 to 7 mph.

Friday Night

Temperature: 28°F

Wind Speed: 6 mph

Wind Direction: NE

Forecast: Mostly cloudy, with a low around 28. Northeast wind around 6 mph.

Saturday

Temperature: 41°F

Wind Speed: 6 mph

Wind Direction: N

Forecast: Mostly sunny, with a high near 41.

Saturday Night

Temperature: 25°F

Wind Speed: 3 mph

Wind Direction: N

Forecast: Mostly clear, with a low around 25.

Sunday

Temperature: 43°F

Wind Speed: 2 to 7 mph

Wind Direction: E

Forecast: Mostly sunny, with a high near 43.

Sunday Night

Temperature: 34°F

Wind Speed: 8 mph

Wind Direction: SE

Forecast: Partly cloudy, with a low around 34.

Monday

Temperature: 57°F

Wind Speed: 9 mph

Wind Direction: S

Forecast: Mostly sunny, with a high near 57.

Monday Night

Temperature: 39°F

Wind Speed: 6 mph

Wind Direction: S

Forecast: Partly cloudy, with a low around 39.

Tuesday

Temperature: 60°F

Wind Speed: 7 mph

Wind Direction: SW

Forecast: Partly sunny, with a high near 60.

Tuesday Night

Temperature: 35°F

Wind Speed: 6 mph

Wind Direction: W

Forecast: Partly cloudy, with a low around 35.

Wednesday

Temperature: 53°F

Wind Speed: 7 mph

Wind Direction: W

Forecast: Partly sunny, with a high near 53.