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City of Marshall, ILMarshall, IL Weather Forecast
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| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
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| Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Hi: 91°FHi: 33°C Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Hi: 85°FHi: 29°C Lo: 61°FLo: 16°C |
| POP: 50% | POP: 30% | POP: 40% | POP: 40% | POP: 50% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 637 AM CDT Sat Sep 12 2026 
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Issued: 556 AM CDT Sat Sep 12 2026
Key Messages
- Temperature Spread Sunday: A stalling cold front creates a sharp temperature split Sunday, ranging from the mid 70s north of the Illinois River to near 90 south of I-70. Light showers or sprinkles (20-30% chance) remain possible along the boundary.
- Midweek Storm Potential: Multiple rounds of thunderstorms arrive Tuesday into Wednesday. There is potential for localized heavy rainfall exceeding 1-2 inches, especially north of Beardstown to Bloomington, along with a potential for severe...