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City of Donnellson, IADonnellson, IA Weather Forecast
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Donnellson Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Showers | Chance of Showers | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Partly Sunny | Partly Cloudy | Partly Sunny |
| Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 75°FHi: 24°C | Lo: 60°FLo: 16°C | Hi: 61°FHi: 16°C | Lo: 55°FLo: 13°C | Hi: 61°FHi: 16°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C |
| POP: 20% | POP: 70% | POP: 80% | POP: 70% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 328 AM CDT Sat Sep 19 2026 
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Issued: 317 AM CDT Sat Sep 19 2026
Key Messages
- Heavy rain and thunderstorms are likely for portions of the area this morning and again this evening into the overnight. Localized flash flooding is the primary concern. Rapid rises on small creeks and streams and the flooding of low-lying areas are possible.
- The ongoing Flood Watch has been expanded southward a few counties across east-central Iowa and far northwestern Illinois, and all of it extended through Sunday morning. Rainfall totals of 1-3 inches are still likely (60-80%) in...