| NWS Forecast for: Alton IL Issued by: National Weather Service Saint Louis, MO Last Update: 3:52 pm CDT May 31, 2024 | |
Tonight: A chance of showers, then showers and possibly a thunderstorm after midnight. Low around 65. Southeast wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Saturday: Showers and possibly a thunderstorm, mainly before noon, then a chance of showers and thunderstorms after noon. High near 74. Southeast wind 6 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 80%. Saturday Night: Partly cloudy, with a low around 62. Northwest wind around 5 mph becoming calm in the evening. Sunday: Mostly sunny, with a high near 84. Calm wind becoming south around 6 mph in the afternoon. Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. South wind around 6 mph. Monday: Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 85. Chance of precipitation is 70%. Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Wednesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Wednesday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 67. Thursday: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 85. Thursday Night: Mostly clear, with a low around 64. Friday: A 20 percent chance of showers. Mostly sunny, with a high near 81. | |
| Alton IL 38.91°N 90.16°W (Elev. 505 ft) | |
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