Weather WorldLake Carlinville, IL Weather Forecast
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Lake Carlinville Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY |
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| Chance of T-Storm | Partly Cloudy | Sunny | Mostly Clear | Sunny | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy |
| Hi: 90°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 60°FLo: 16°C | Hi: 85°FHi: 29°C Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C Lo: 71°FLo: 22°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 737 AM CDT Wed Aug 26 2026 
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Issued: 536 AM CDT Wed Aug 26 2026
Key Messages
- Isolated to widely scattered showers and thunderstorms are expected along a cold front this afternoon/evening, mainly across south-central Illinois. A couple may be strong to severe with damaging winds the main threat.
- Near to slightly below normal temperatures are expected behind today`s cold front heading into the weekend before more summerlike heat returns Sunday into next week.
Aviation
/06Z TAFS THROUGH 12Z THURSDAY/... Issued at 534 AM CDT Wed Aug 26 2026
Thunderstorms across sout...