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Montrose Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  |  |  | |  |  | | | | | |
| Chance of T-Storm | Patchy Fog | Mostly Cloudy | Mostly Cloudy | Partly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Partly Sunny | Partly Cloudy | Sunny | Partly Cloudy |
| Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C |
| POP: 100% |
POP = Probability of Precipitation.
Weather Outlook Updated: 608 AM CDT Tue Sep 29 2026 
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Issued: 442 AM CDT Tue Sep 29 2026
Key Messages
- A band of showers and isolated thunderstorms will spread east across the region through today. Much of the region could see a quarter to half inch of rain by this evening, with highest amounts near to south of I-90.
- The forecast has trended drier for tonight into early Wednesday, but a second round of rain may lift back into areas south of a Vermillion SD to Spencer IA line Wednesday afternoon into early Thursday. If this round of heavy rain lifts far enough north, it will bring a po...