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Eureka High School Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  |  | | | | | | | | |  |
| Partly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Clear | Mostly Clear | Mostly Clear | Clear | Clear | Sunny | Partly Cloudy | Chance of Rain |
| Lo: 31°FLo: -1°C | Hi: 45°FHi: 7°C | Lo: 29°FLo: -2°C | Hi: 49°FHi: 9°C | Lo: 29°FLo: -2°C | Hi: 51°FHi: 11°C Lo: 29°FLo: -2°C | Hi: 51°FHi: 11°C Lo: 29°FLo: -2°C | Hi: 55°FHi: 13°C Lo: 31°FLo: -1°C | Hi: 55°FHi: 13°C Lo: 31°FLo: -1°C | Hi: 60°FHi: 16°C | Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 722 PM CST Thu Nov 12 2026 
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Issued: 522 PM CST Thu Nov 12 2026
Key Messages
- Seasonably cold conditions last into the weekend with widespread hard freezes expected both Friday and Saturday night. Temperatures gradually warm to seasonal normals next week.
- Aside from a few patches of sprinkles/flurries that are possible across southern Illinois tomorrow morning, dry conditions are expected through the middle of next week.
Aviation
/00Z TAFS THROUGH 06Z SATURDAY/... Issued at 521 PM CST Thu Nov 12 2026
Dry weather, northwesterly winds, and VFR flight conditions are...