| National Weather Service Forecast for:
Naperville, IL Issued by: National Weather Service Chicago/Romeoville, IL |
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| Updated: Mon, 20-Jul-2026 5:21am CDT | ||||||||||||||||||||||||||||||||||||||||
| Naperville | ||||||||||||||||||||||||||||||||||||||||
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Air Quality Alert issued July 19 at 12:50PM CDT
| Today |
Smoke before 10am, then smoke and isolated showers and thunderstorms. Partly sunny, with a high near 85. South southwest wind 0 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. |
| Tonight |
Scattered showers and thunderstorms. Mostly cloudy, with a low around 72. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday |
Scattered showers and thunderstorms before 7am. Mostly sunny. High near 85, with temperatures falling to around 83 in the afternoon. West northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday Night |
Mostly clear, with a low around 59. North northwest wind 10 to 15 mph, with gusts as high as 30 mph. |
| Wednesday |
Sunny, with a high near 75. North wind around 10 mph, with gusts as high as 20 mph. |
| Wednesday Night |
Mostly clear, with a low around 57. |
| Thursday |
Sunny, with a high near 78. |
| Thursday Night |
Partly cloudy, with a low around 62. |
| Friday |
Mostly sunny, with a high near 82. |
| Friday Night |
Partly cloudy, with a low around 64. |
| Saturday |
Sunny, with a high near 86. |
| Saturday Night |
Mostly clear, with a low around 67. |
| Sunday |
Sunny, with a high near 89. |
| Sunday Night |
A slight chance of rain showers after 1am. Partly cloudy, with a low around 70. |
Forecast from NOAA-NWS
for Naperville, IL.
Animated forecast icons courtesy of www.meteotreviglio.com.