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Lyman, SD Weather Forecast
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Lyman Weather Forecast
| REST OF TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
 |  |  |  |  | | | | | |  |  |
| Chance of T-Storm | Partly Cloudy | Clearing | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Partly Sunny | Chance of T-Storm |
| Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 90°FHi: 32°C | Hi: 89°FHi: 32°C Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C Lo: 61°FLo: 16°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C |
| POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1112 AM CDT Mon Sep 07 2026 
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Issued: 1043 AM CDT Mon Sep 7 2026
Key Messages
- There is a Marginal risk (level 1 out of 5) for severe storms over central and northeastern SD and west central MN today. The primary hazards in the morning and afternoon will be 1 inch in diameter hail and 60 mph wind gusts. Additionally, the threat for a tornado or two over east central SD cannot be ruled out. For the evening and overnight, the primary hazard will be 60 mph wind gusts with small hail also possible.
- Northwest wind 15 to 30 mph and gusts of 25 to 45 mph, low relative...