| National Weather Service Forecast for:
Peoria, IL Issued by: National Weather Service Central Illinois |
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| Updated: 08/30/2026 10:36pm | ||||||||||||||||||||||||||||||||||||||||
| Peoria | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Partly cloudy, with a low around 72. South southwest wind around 9 mph, with gusts as high as 18 mph. |
| Monday |
Mostly sunny, with a high near 92. South southwest wind around 10 mph, with gusts as high as 18 mph. |
| Monday Night |
Mostly clear, with a low around 75. South southwest wind around 8 mph. |
| Tuesday |
Sunny, with a high near 95. Heat index values as high as 104. South southwest wind around 7 mph. |
| Tuesday Night |
Mostly clear, with a low around 76. South wind around 7 mph. |
| Wednesday |
Sunny, with a high near 95. South southwest wind around 7 mph. |
| Wednesday Night |
Mostly clear, with a low around 75. South southwest wind around 6 mph. |
| Thursday |
Mostly sunny, with a high near 91. |
| Thursday Night |
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 73. Chance of precipitation is 30%. |
| Friday |
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 89. |
| Friday Night |
A slight chance of rain showers after 1am. Mostly clear, with a low around 70. |
| Saturday |
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Sunny, with a high near 88. |
| Saturday Night |
Mostly clear, with a low around 67. |
| Sunday |
Sunny, with a high near 85. |
Forecast from NOAA-NWS for Peoria, IL.