| National Weather Service Forecast for:
Plainfield, IL Issued by: National Weather Service Chicago/Romeoville, IL |
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| Updated: 06/28/2026 2:26pm | ||||||||||||||||||||||||||||||||||||||||
| Westmont, Illinois | ||||||||||||||||||||||||||||||||||||||||
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Heat Advisory issued June 28 at 11:18AM CDT until July 1 at 10:00PM CDT
| This Afternoon |
A slight chance of showers and thunderstorms between 4pm and 5pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Tonight |
A slight chance of rain showers before 7pm. Mostly cloudy, with a low around 74. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Monday |
Mostly sunny, with a high near 92. Heat index values as high as 105. South wind 10 to 15 mph, with gusts as high as 25 mph. |
| Monday Night |
Mostly clear, with a low around 75. Heat index values as high as 102. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. |
| Tuesday |
Sunny, with a high near 93. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. |
| Tuesday Night |
Mostly clear, with a low around 75. |
| Wednesday |
Sunny, with a high near 93. |
| Wednesday Night |
Mostly clear, with a low around 75. |
| Thursday |
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. |
| Thursday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. |
| Friday |
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. |
| Friday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. |
| Independence Day |
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. |
| Saturday Night |
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 71. |
Forecast from NOAA-NWS for Plainfield, IL.