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Nergenah, IL Weather Forecast
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Nergenah Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  |  | | | |  |  | |  | |  |
| Mostly Cloudy | Clearing | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Showers | Showers | Chance of Showers |
| Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Hi: 90°FHi: 32°C Lo: 61°FLo: 16°C | Hi: 90°FHi: 32°C Lo: 61°FLo: 16°C | Hi: 90°FHi: 32°C Lo: 70°FLo: 21°C | Hi: 90°FHi: 32°C Lo: 70°FLo: 21°C | Hi: 89°FHi: 32°C Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C Lo: 69°FLo: 21°C |
| POP: 60% | POP: 60% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 627 AM CDT Fri Sep 11 2026 
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Issued: 457 AM CDT Fri Sep 11 2026
Key Messages
- Dense fog will reduce visibility to a quarter mile or less across portions of central Illinois through mid-morning. Drive with caution and allow extra stopping distance.
- Isolated showers and possibly a brief funnel cloud or two are possible this afternoon and evening south of I-72, but the overall severe storm threat is very low.
- Summerlike heat returns this weekend with highs approaching 90 degrees in parts of central Illinois, followed by periodic chances for thunderstorms next wee...