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Riverdale, ND 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 Showers | Chance of Showers | Chance of Showers | Clouds | Sunny | Increasing Clouds | Mostly Sunny | Increasing Clouds | Partly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy |
| Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 70°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 71°FHi: 22°C | Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C |
| POP: 30% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 211 AM CDT Sat Sep 19 2026 
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Issued: 1207 AM CDT Sat Sep 19 2026
Key Messages
- Cloudy, mild, and humid with patchy fog tonight into Saturday morning.
- Medium to high chances for light rain south and west of the Missouri River through much of the weekend.
- Seasonable temperatures through early next week, with highs mostly in the 60s and 70s.
Discussion
... Issued at 219 PM CDT Fri Sep 18 2026
Surface low currently over the Central Plains will ever so slowly churn eastward through this weekend. Simultaneously, blocking high over Ontario will slide eastward through ton...