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Custer Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
 |  |  |  | | |  |  | |  | | |
| Chance of Snow | Widespread Fog | Clearing | Mostly Clear | Clearing | Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Chance of Rain | Partly Cloudy | Chance of Rain |
| Hi: 39°FHi: 4°C | Lo: 31°FLo: -1°C | Hi: 55°FHi: 13°C | Lo: 35°FLo: 2°C | Hi: 55°FHi: 13°C | Lo: 35°FLo: 2°C | Hi: 60°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 59°FHi: 15°C | Lo: 40°FLo: 4°C | Hi: 59°FHi: 15°C | Lo: 40°FLo: 4°C |
| POP: 70% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 642 AM MDT Mon Oct 26 2026 
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Issued: 538 AM MDT Mon Oct 26 2026
Key Messages
- Light rain will increase in coverage today across much of western South Dakota, especially east of the Black Hills. Snow may mix in with rain, especially in/near the Black Hills.
- A trace to an inch of snow is possible over northwestern South Dakota and the Black Hills through this evening.
- Warming trend commences Tuesday through the end of the week with highs in the 50s to 60s.
Discussion
...(This Afternoon Through Saturday) Issued at 1146 AM MDT Sun Oct 25 2026
Rain showers have begun ...