| NWS Forecast for: Wood River IL Issued by: National Weather Service Saint Louis, MO Last Update: 1:26 pm CDT Sep 8, 2026 | |
This Afternoon: Mostly sunny, with a high near 94. Southeast wind 6 to 8 mph. Tonight: Mostly clear, with a low around 74. Southeast wind 5 to 7 mph. Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Sunny, with a high near 96. Heat index values as high as 102. South wind 6 to 9 mph becoming west in the afternoon. Wednesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2am. Low around 70. West wind around 6 mph becoming calm after midnight. Chance of precipitation is 80%. Thursday: Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 84. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 80%. Thursday Night: Partly cloudy, with a low around 64. Friday: Mostly sunny, with a high near 87. Friday Night: Mostly clear, with a low around 67. Saturday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 92. Chance of precipitation is 20%. Saturday Night: A 30 percent chance of showers. Partly cloudy, with a low around 69. Sunday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Sunday Night: A 20 percent chance of showers. Partly cloudy, with a low around 68. Monday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. | |
| Wood River IL 38.86°N 90.08°W (Elev. 436 ft) | |
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