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Gilman Lake, SD Weather Forecast
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Gilman Lake Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  | | |  |  | | | |  | | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Chance of T-Storm | Partly Sunny | Chance of T-Storm | Mostly Sunny |
| Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C |
| POP: 20% | POP: 20% | POP: 70% | POP: 20% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 414 PM CDT Thu Aug 27 2026 
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Issued: 306 PM CDT Thu Aug 27 2026
Key Messages
- Warm and humid conditions return Friday and continue through the weekend.
- A Marginal Risk (level 1 of 5) for severe thunderstorms is in place for Friday afternoon and overnight. Overall confidence in storm development is low. However, if any do develop they have the potential to produce 2 inch hail and wind gusts to 60 mph.
- Periodic shower and storm chances continue this weekend into early next week. Confidence on any details is low.
- Temperatures will be above normal this weekend int...