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Isabel Lake, SD Weather Forecast
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Isabel Lake Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  |  | | |  |  | |  | | | |
| Partly Cloudy | Partly Sunny | Windy | Windy | Partly Cloudy | Chance of Rain | Chance of Rain | Chance of Rain | Chance of Rain | Chance of Rain | Chance of Rain | Chance of Rain |
| Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 41°FLo: 5°C | Hi: 51°FHi: 11°C | Lo: 31°FLo: -1°C | Hi: 49°FHi: 9°C | Lo: 31°FLo: -1°C | Hi: 45°FHi: 7°C Lo: 31°FLo: -1°C | Hi: 45°FHi: 7°C Lo: 31°FLo: -1°C | Hi: 49°FHi: 9°C | Lo: 35°FLo: 2°C | Hi: 51°FHi: 11°C |
| POP: 40% | POP: 50% | POP: 50% | POP: 50% | POP: 20% | POP: 30% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 421 PM MDT Thu Oct 22 2026 
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Issued: 208 PM CDT Thu Oct 22 2026
Key Messages
- Southerly winds increase Friday, with widespread 30-40 mile per hour gusts expected during the afternoon. There is a roughly 10-30% chance for gusts to reach 45 miles per hour or more over eastern South Dakota and western Minnesota.
- Warm conditions, strong winds, and dry vegetation will lead to elevated fire weather concerns across central South Dakota today, and across the entire forecast area Friday.
- Today and Friday, highs will reach the upper 70s to low 80s. These temperatures ar...