| NWS Forecast for: West Peoria IL Issued by: National Weather Service Lincoln, IL Last Update: 11:56 pm CDT Aug 9, 2026 |  |
Overnight: A 40 percent chance of showers and thunderstorms, mainly before 5am. Some of the storms could be severe. Mostly cloudy, with a low around 73. South southwest wind around 6 mph, with gusts as high as 16 mph. Monday: A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 90. Heat index values as high as 102. Southwest wind around 6 mph. Monday Night: A 40 percent chance of showers and thunderstorms, mainly between 3am and 5am. Partly cloudy, with a low around 74. Light and variable wind. Tuesday: A 30 percent chance of showers and thunderstorms, mainly between 11am and 1pm. Mostly sunny, with a high near 90. Heat index values as high as 102. South southeast wind 5 to 7 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph. Tuesday Night: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Partly cloudy, with a low around 72. West southwest wind around 5 mph becoming light and variable. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Wednesday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. Light and variable wind becoming west northwest around 6 mph in the morning. Chance of precipitation is 40%. Wednesday Night: A 40 percent chance of showers. Partly cloudy, with a low around 70. Light northeast wind. Thursday: A 50 percent chance of showers after 1pm. Partly sunny, with a high near 81. Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%. Friday: A 50 percent chance of showers before 1pm. Mostly cloudy, with a high near 78. Friday Night: Showers likely. Mostly cloudy, with a low around 66. Saturday: A chance of showers. Mostly cloudy, with a high near 80. Saturday Night: A chance of showers. Mostly cloudy, with a low around 68. Sunday: A chance of showers. Partly sunny, with a high near 80. | |
| West Peoria IL 40.7°N 89.61°W (Elev. 600 ft) | |
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