Weather WorldFairview Heights, IL Weather Forecast
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Fairview Heights Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  | | | |  | |  |  | | |  |
| Mostly Sunny | Partly Cloudy | Sunny | Partly Cloudy | Sunny | Clear | Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers |
| Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C | Lo: 70°FLo: 21°C | Hi: 90°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C |
| POP: 50% | POP: 70% | POP: 50% | POP: 60% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 838 AM CDT Sat Oct 10 2026 
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Issued: 530 AM CDT Sat Oct 10 2026
Key Messages
- Temperatures will be up to 10 degrees cooler over parts of the area today before warming back to near record warmth on Monday.
Aviation
/06Z TAFS THROUGH 12Z SUNDAY/... Issued at 528 AM CDT Sat Oct 10 2026
Mainly dry and VFR conditions are expected through the period. Winds will remain under 10 knots through the period.
Watches / Warnings / Advisories
/WARNINGS/ADVISORIES... MO...None. IL...None.
Climate
Issued at 247 PM CDT Fri Oct 9 2026 Record high temperatures are possible between Fr...