| NWS Forecast for: Alton IL Issued by: National Weather Service Saint Louis, MO Last Update: 10:36 pm CDT May 30, 2024 |  |
| Overnight: Mostly cloudy, with a low around 58. East wind around 7 mph. Friday: A 30 percent chance of showers, mainly after 5pm. Mostly cloudy, with a high near 80. Southeast wind 8 to 15 mph, with gusts as high as 22 mph. Friday Night: Showers likely, with thunderstorms also possible after 10pm. Cloudy, with a low around 64. Southeast wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 75. South wind around 10 mph becoming northwest in the afternoon. Chance of precipitation is 70%. Saturday Night: Partly cloudy, with a low around 60. Northwest wind 5 to 8 mph becoming calm in the evening. Sunday: Mostly sunny, with a high near 84. Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 60%. Monday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%. Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Tuesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. Wednesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Thursday: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 84. | |
| Alton IL 38.91°N 90.16°W (Elev. 505 ft) | |
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