| National Weather Service Forecast for:
Plainfield, IL Issued by: National Weather Service Chicago/Romeoville, IL |
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| Updated: 11/12/2026 2:41pm | ||||||||||||||||||||||||||||||||||||||||
| Westmont, Illinois | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
A slight chance of rain after 4pm. Partly sunny. High near 44, with temperatures falling to around 40 in the afternoon. North northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. |
| Tonight |
A slight chance of rain before 7pm, then a slight chance of rain and snow between 7pm and 8pm, then a chance of rain and snow between 8pm and 4am. Mostly cloudy, with a low around 32. North northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. |
| Friday |
A chance of snow before 10am, then a chance of rain and snow between 10am and 5pm. Partly sunny. High near 42, with temperatures falling to around 38 in the afternoon. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Friday Night |
Mostly clear, with a low around 30. North northwest wind around 10 mph, with gusts as high as 20 mph. |
| Saturday |
Sunny, with a high near 46. North northwest wind 5 to 10 mph. |
| Saturday Night |
Clear, with a low around 28. |
| Sunday |
Sunny, with a high near 48. |
| Sunday Night |
Clear, with a low around 28. |
| Monday |
Sunny, with a high near 50. |
| Monday Night |
Clear, with a low around 28. |
| Tuesday |
Sunny, with a high near 53. |
| Tuesday Night |
Mostly clear, with a low around 30. |
| Wednesday |
Sunny, with a high near 56. |
| Wednesday Night |
Partly cloudy, with a low around 38. |
Forecast from NOAA-NWS for Plainfield, IL.