| National Weather Service Forecast for:
Mount Prospect IL Issued by: National Weather Service Chicago, IL |
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| Updated: 6:31 pm CDT Jul 10, 2026 | ||||||||||||||||||
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| Tonight |
Mostly cloudy, with a low around 65. North northeast wind 5 to 15 mph. |
| Saturday |
Mostly sunny, with a high near 83. Northeast wind 5 to 10 mph, with gusts as high as 15 mph. |
| Saturday Night |
Partly cloudy, with a low around 66. East northeast wind 5 to 10 mph. |
| Sunday |
Sunny, with a high near 86. East wind 5 to 10 mph. |
| Sunday Night |
Mostly clear, with a low around 68. East northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph. |
| Monday |
Sunny, with a high near 90. |
| Monday Night |
Clear, with a low around 70. |
| Tuesday |
Sunny, with a high near 93. |
| Tuesday Night |
Mostly clear, with a low around 74. |
| Wednesday |
Sunny, with a high near 92. |
| Wednesday Night |
Mostly clear, with a low around 72. |
| Thursday |
Mostly sunny, with a high near 89. |
| Thursday Night |
Partly cloudy, with a low around 70. |
| Friday |
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. |
Forecast from NOAA-NWS for Mount Prospect IL.
