7-Day Forecast Summary
7-Day Detailed Weather Forecast for Alton
Overnight |
|
|---|---|
|
|
Temperature: 66°F Wind Speed: 2 mph Wind Direction: SE Forecast: Isolated showers and thunderstorms. Mostly cloudy, with a low around 66. Southeast wind around 2 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
Saturday |
|
|
|
Temperature: 91°F Wind Speed: 1 to 6 mph Wind Direction: SW Forecast: Scattered showers and thunderstorms. Partly sunny. High near 91, with temperatures falling to around 88 in the afternoon. Heat index values as high as 101. Southwest wind 1 to 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible. |
Saturday Night |
|
|
|
Temperature: 73°F Wind Speed: 1 to 5 mph Wind Direction: SW Forecast: Isolated showers and thunderstorms before 7pm. Partly cloudy, with a low around 73. Heat index values as high as 98. Southwest wind 1 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
Sunday |
|
|
|
Temperature: 97°F Wind Speed: 3 mph Wind Direction: W Forecast: Mostly sunny, with a high near 97. Heat index values as high as 110. West wind around 3 mph. |
Sunday Night |
|
|
|
Temperature: 73°F Wind Speed: 2 mph Wind Direction: S Forecast: Mostly clear, with a low around 73. South wind around 2 mph. |
Monday |
|
|
|
Temperature: 100°F Wind Speed: 5 mph Wind Direction: SW Forecast: Sunny, with a high near 100. |
Monday Night |
|
|
|
Temperature: 75°F Wind Speed: 3 mph Wind Direction: SW Forecast: Mostly clear, with a low around 75. |
Tuesday |
|
|
|
Temperature: 99°F Wind Speed: 6 mph Wind Direction: NW Forecast: Sunny, with a high near 99. |
Tuesday Night |
|
|
|
Temperature: 72°F Wind Speed: 3 mph Wind Direction: NE Forecast: Partly cloudy, with a low around 72. |
Wednesday |
|
|
|
Temperature: 95°F Wind Speed: 3 mph Wind Direction: NE Forecast: Mostly sunny, with a high near 95. |
Wednesday Night |
|
|
|
Temperature: 70°F Wind Speed: 2 mph Wind Direction: E Forecast: Partly cloudy, with a low around 70. |
Thursday |
|
|
|
Temperature: 94°F Wind Speed: 2 mph Wind Direction: E Forecast: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. |
Thursday Night |
|
|
|
Temperature: 71°F Wind Speed: 2 mph Wind Direction: SE Forecast: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. |
Friday |
|
|
|
Temperature: 93°F Wind Speed: 3 mph Wind Direction: SE Forecast: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. |
