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Madison County, IA Weather Forecast
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Madison County Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  |  |  |  |  | |  | | | |
| Showers | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Partly Cloudy | Mostly Sunny | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 59°FLo: 15°C | Hi: 59°FHi: 15°C | Lo: 51°FLo: 11°C | Hi: 60°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 70°FHi: 21°C |
| POP: 70% | POP: 90% | POP: 90% | POP: 20% | POP: 20% | POP: 50% | POP: 50% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 248 PM CDT Sun Sep 20 2026 
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Instant definitions for any meteorological term.
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Issued: 148 PM CDT Sun Sep 20 2026
Key Messages
- Heavy rain concerns have largely diminished, but rain remains common through late Monday night. New rainfall amounts generally up to a half inch.
- Fog also possible Monday morning, bringing visibility impacts to the morning commute.
- Cool, dry weather expected for the midweek. Next chances of rain creep into the west late in the period.
Aviation
/18Z TAFS THROUGH 18Z MONDAY/... Issued at 1241 PM CDT Sun Sep 20 2026
MVFR and IFR conditions will be common over the period. A brief reprieve i...