Weather in Alton, Missouri, United States

7-Day Detailed Weather Forecast for Alton

Tonight

Temperature: 16°F

Wind Speed: 13 mph

Wind Direction: N

Forecast: A slight chance of snow before 2am. Cloudy. Low around 16, with temperatures rising to around 19 overnight. Wind chill values as low as 6. North wind around 13 mph, with gusts as high as 26 mph. Chance of precipitation is 20%. New snow accumulation of less than half an inch possible.

Sunday

Temperature: 24°F

Wind Speed: 10 to 15 mph

Wind Direction: NW

Forecast: Sunny. High near 24, with temperatures falling to around 21 in the afternoon. Wind chill values as low as 2. Northwest wind 10 to 15 mph, with gusts as high as 29 mph.

Sunday Night

Temperature: 8°F

Wind Speed: 3 to 8 mph

Wind Direction: NW

Forecast: Mostly clear, with a low around 8. Wind chill values as low as 1. Northwest wind 3 to 8 mph, with gusts as high as 20 mph.

M.L. King Jr. Day

Temperature: 25°F

Wind Speed: 3 mph

Wind Direction: NW

Forecast: Mostly sunny, with a high near 25. Wind chill values as low as 2. Northwest wind around 3 mph.

Monday Night

Temperature: 13°F

Wind Speed: 1 to 5 mph

Wind Direction: NW

Forecast: Mostly cloudy, with a low around 13. Northwest wind 1 to 5 mph.

Tuesday

Temperature: 25°F

Wind Speed: 6 mph

Wind Direction: NW

Forecast: Mostly sunny, with a high near 25.

Tuesday Night

Temperature: 11°F

Wind Speed: 5 mph

Wind Direction: SW

Forecast: Mostly clear, with a low around 11.

Wednesday

Temperature: 35°F

Wind Speed: 5 to 9 mph

Wind Direction: S

Forecast: Mostly sunny, with a high near 35.

Wednesday Night

Temperature: 20°F

Wind Speed: 6 mph

Wind Direction: SW

Forecast: Partly cloudy, with a low around 20.

Thursday

Temperature: 42°F

Wind Speed: 6 mph

Wind Direction: W

Forecast: Mostly sunny, with a high near 42.

Thursday Night

Temperature: 20°F

Wind Speed: 3 mph

Wind Direction: W

Forecast: Partly cloudy, with a low around 20.

Friday

Temperature: 41°F

Wind Speed: 3 to 8 mph

Wind Direction: W

Forecast: Sunny, with a high near 41.

Friday Night

Temperature: 24°F

Wind Speed: 5 mph

Wind Direction: SW

Forecast: Mostly clear, with a low around 24.

Saturday

Temperature: 48°F

Wind Speed: 5 to 8 mph

Wind Direction: S

Forecast: Mostly sunny, with a high near 48.