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Headman Slough Weather Forecast
| REST OF TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
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| Mostly Cloudy | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Partly Sunny |
| Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C Lo: 59°FLo: 15°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C |
| POP: 20% | POP: 50% | POP: 40% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 132 AM CDT Sun Aug 16 2026 
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Headman Slough Forecast Discussion
Issued: 141 AM CDT Sun Aug 16 2026
Key Messages
- There is a Marginal Risk, level 1 out of 5, for severe storms for portions of central South Dakota this evening and tonight and a Marginal Risk again Monday evening through Monday night along and east of a line from Philip to Sisseton. Main threats include 1 inch diameter hail and wind gusts of 60 mph. Brief heavy rainfall is also possible.
Discussion
... Issued at 138 AM CDT Sun Aug 16 2026
Zonal flow continues this morning turning northwesterly aloft this...