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Sparta Weather Forecast
| REST OF TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  | | | | | | | | |  |  |
| Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Clear | Clear | Sunny | Partly Cloudy | Partly Cloudy |
| Lo: 31°FLo: -1°C | Hi: 49°FHi: 9°C | Lo: 25°FLo: -4°C | Hi: 50°FHi: 10°C | Lo: 25°FLo: -4°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: 29°FLo: -2°C | Hi: 55°FHi: 13°C Lo: 29°FLo: -2°C | Hi: 61°FHi: 16°C | Hi: 65°FHi: 18°C Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C Lo: 39°FLo: 4°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1227 AM CST Fri Nov 13 2026 
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Issued: 1145 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
/06Z TAFS THROUGH 12Z SATURDAY/... Issued at 1136 PM CST Thu Nov 12 2026
VFR flight conditions and northwest flow is expected to prevai...