Weather in Upper Alton, Illinois, United States

7-Day Detailed Weather Forecast for Upper Alton

This Afternoon

Temperature: 90°F

Wind Speed: 10 mph

Wind Direction: W

Forecast: A chance of showers and thunderstorms. Mostly cloudy. High near 90, with temperatures falling to around 85 in the afternoon. West wind around 10 mph. Chance of precipitation is 30%.

Tonight

Temperature: 73°F

Wind Speed: 2 to 7 mph

Wind Direction: SW

Forecast: A slight chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 73. Southwest wind 2 to 7 mph. Chance of precipitation is 20%.

Saturday

Temperature: 93°F

Wind Speed: 2 to 6 mph

Wind Direction: SW

Forecast: A slight chance of showers and thunderstorms between 1pm and 4pm. Mostly sunny, with a high near 93. Heat index values as high as 100. Southwest wind 2 to 6 mph. Chance of precipitation is 20%.

Saturday Night

Temperature: 74°F

Wind Speed: 2 to 7 mph

Wind Direction: SW

Forecast: A slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 74. Southwest wind 2 to 7 mph. Chance of precipitation is 20%.

Sunday

Temperature: 89°F

Wind Speed: 2 to 6 mph

Wind Direction: SW

Forecast: Showers and thunderstorms likely after 7am. Partly sunny, with a high near 89. Southwest wind 2 to 6 mph. Chance of precipitation is 60%.

Sunday Night

Temperature: 73°F

Wind Speed: 2 to 6 mph

Wind Direction: SW

Forecast: Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

Monday

Temperature: 88°F

Wind Speed: 2 to 7 mph

Wind Direction: W

Forecast: Showers and thunderstorms likely. Mostly cloudy, with a high near 88. Chance of precipitation is 60%.

Monday Night

Temperature: 70°F

Wind Speed: 6 mph

Wind Direction: NW

Forecast: Showers and thunderstorms likely before 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

Tuesday

Temperature: 87°F

Wind Speed: 6 mph

Wind Direction: N

Forecast: Mostly sunny, with a high near 87.

Tuesday Night

Temperature: 67°F

Wind Speed: 5 mph

Wind Direction: N

Forecast: Partly cloudy, with a low around 67.

Wednesday

Temperature: 88°F

Wind Speed: 5 mph

Wind Direction: NW

Forecast: Sunny, with a high near 88.

Wednesday Night

Temperature: 69°F

Wind Speed: 5 mph

Wind Direction: E

Forecast: Mostly clear, with a low around 69.

Thursday

Temperature: 90°F

Wind Speed: 2 to 7 mph

Wind Direction: S

Forecast: A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. Chance of precipitation is 20%.

Thursday Night

Temperature: 72°F

Wind Speed: 6 mph

Wind Direction: S

Forecast: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 20%.