| National Weather Service Forecast for:
Plainfield, IL Issued by: National Weather Service Chicago/Romeoville, IL |
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| Updated: 07/19/2026 8:41pm | ||||||||||||||||||||||||||||||||||||||||
| Westmont, Illinois | ||||||||||||||||||||||||||||||||||||||||
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Air Quality Alert issued July 19 at 12:50PM CDT
Air Quality Alert issued July 19 at 1:06AM CDT
Air Quality Alert issued July 18 at 12:31PM CDT
| Tonight |
Smoke. Partly cloudy, with a low around 63. East southeast wind 0 to 5 mph. |
| Monday |
Smoke before 1pm. Mostly sunny, with a high near 85. South wind 0 to 15 mph, with gusts as high as 25 mph. |
| Monday Night |
Showers and thunderstorms likely after 7pm. Mostly cloudy, with a low around 72. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. |
| Tuesday |
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 84. West northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. |
| Tuesday Night |
Mostly clear, with a low around 61. North wind 10 to 15 mph, with gusts as high as 25 mph. |
| Wednesday |
Sunny, with a high near 76. |
| Wednesday Night |
Mostly clear, with a low around 57. |
| Thursday |
Sunny, with a high near 81. |
| Thursday Night |
Partly cloudy, with a low around 60. |
| Friday |
Mostly sunny, with a high near 81. |
| Friday Night |
Partly cloudy, with a low around 63. |
| Saturday |
Sunny, with a high near 85. |
| Saturday Night |
Mostly clear, with a low around 66. |
| Sunday |
Mostly sunny, with a high near 88. |
Forecast from NOAA-NWS for Plainfield, IL.







