Barren, IL Weather Forecast
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Barren Weather Forecast
| OVERNIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | THURSDAY NIGHT |
| Chance of T-Storm | Clearing | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Chance of Showers | Chance of Showers |
| Lo: 70°FLo: 21°C | Hi: 90°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 95°FHi: 35°C | Hi: 95°FHi: 35°C Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C |
| POP: 20% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 247 AM CDT Sat Sep 12 2026 

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Issued: 230 AM CDT Sat Sep 12 2026
Key Messages
- Very warm and mostly quiet weather is expected this weekend into early next week.
- Another significant late season heat wave is forecast Tuesday through Thursday. There is a 50 to 80% chance of high temperatures of 95 degrees or higher Tuesday and Wednesday and a 30 to 60% chance on Thursday.
- Slightly cooler temperatures and a small 15 to 25% chance of thunderstorms is forecast Friday into next weekend.
Discussion
... Issued at 230 AM CDT Sat Sep 12 2026
Ongoing scattered showers and thu...
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