Iron Mountain, SD Weather Forecast
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Iron Mountain Weather Forecast
| REST OF TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
| Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Clear | Sunny | Clear | Mostly Sunny | Mostly Clear | Clearing |
| Lo: 39°FLo: 4°C | Hi: 70°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 60°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 60°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 917 PM MDT Fri Oct 16 2026 

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Issued: 541 PM MDT Fri Oct 16 2026
Key Messages
- Above average temperatures return for the weekend.
- Warm and dry weather expected through early next week.
Discussion
...(This Evening Through Friday) Issued at 105 PM MDT Fri Oct 16 2026
Mild and dry afternoon on tap as upper level ridge builds in the western US. Drier weather and warming temps expected through the weekend as the ridge continues to build. With humidities dropping into the upper teens to 20s tomorrow, elevated fire wx conditions may develop over portions of northeastern ...
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