Marco, IN Weather Forecast
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Marco Weather Forecast
| REST OF TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
| Chance of Showers | Partly Cloudy | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Partly Cloudy | Partly Cloudy |
| Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 90°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 50% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1258 AM EDT Fri Sep 18 2026 

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Issued: 129 AM EDT Fri Sep 18 2026
Key Messages
- Hot temperatures will continue at times into Saturday, especially south
- Persistent showers and storms overnight could lead to narrow swaths of 2+ inches of rain. A Flood Watch has been issued beginning at 10AM and ending at 10PM EDT
- Shower and storm chances persist for much of the time into next week, with temperatures turning cooler next week
Discussion
(This evening through Thursday)... Issued at 223 PM EDT Thu Sep 17 2026
Today and Tonight...
A combination of a strong subgeostrophic u...
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