| National Weather Service Forecast for:
Plainfield, IL Issued by: National Weather Service Chicago/Romeoville, IL |
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| Updated: 09/12/2026 3:21pm | ||||||||||||||||||||||||||||||||||||||||
| Westmont, Illinois | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Partly sunny. High near 86, with temperatures falling to around 84 in the afternoon. West wind around 10 mph, with gusts as high as 20 mph. |
| Tonight |
A chance of rain showers before 8pm. Partly cloudy, with a low around 62. Northwest wind around 5 mph, with gusts as high as 15 mph. |
| Sunday |
A chance of rain showers between 1pm and 4pm. Partly sunny. High near 75, with temperatures falling to around 71 in the afternoon. North northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. |
| Sunday Night |
Mostly clear, with a low around 51. North wind around 5 mph, with gusts as high as 15 mph. |
| Monday |
Mostly sunny, with a high near 75. East wind 5 to 15 mph. |
| Monday Night |
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. Chance of precipitation is 30%. |
| Tuesday |
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. |
| Tuesday Night |
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 66. |
| Wednesday |
Showers and thunderstorms. Mostly cloudy, with a high near 79. |
| Wednesday Night |
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. |
| Thursday |
Showers and thunderstorms likely. Mostly cloudy, with a high near 80. |
| Thursday Night |
A chance of rain showers. Mostly cloudy, with a low around 62. |
| Friday |
A chance of rain showers. Partly sunny, with a high near 76. |
| Friday Night |
A chance of rain showers. Mostly cloudy, with a low around 59. |
Forecast from NOAA-NWS for Plainfield, IL.