| National Weather Service Forecast for:
Mount Prospect IL Issued by: National Weather Service Chicago, IL |
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| Updated: 11:46 am CDT May 26, 2026 | ||||||||||||||||||
|
| This Afternoon |
Partly sunny, with a high near 86. Southeast wind 5 to 10 mph. |
| Tonight |
Mostly cloudy, with a low around 63. Southeast wind around 5 mph becoming west northwest after midnight. |
| Wednesday |
Mostly sunny, with a high near 82. North northwest wind 5 to 10 mph becoming east northeast in the afternoon. |
| Wednesday Night |
Mostly clear, with a low around 56. North northeast wind 10 to 15 mph, with gusts as high as 25 mph. |
| Thursday |
Sunny, with a high near 71. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. |
| Thursday Night |
Mostly clear, with a low around 52. |
| Friday |
Sunny, with a high near 78. |
| Friday Night |
Partly cloudy, with a low around 57. |
| Saturday |
Sunny, with a high near 75. |
| Saturday Night |
Mostly clear, with a low around 56. |
| Sunday |
Sunny, with a high near 75. |
| Sunday Night |
Mostly clear, with a low around 57. |
| Monday |
Sunny, with a high near 77. |
Forecast from NOAA-NWS for Mount Prospect IL.
