| National Weather Service Forecast for:
Flandreau SD Issued by: National Weather Service Sioux Falls, SD |
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| Updated: 12:43 pm CDT Oct 6, 2026 | ||||||||||||||||||
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| This Afternoon |
Sunny, with a high near 82. West northwest wind around 10 mph. |
| Tonight |
Mostly clear, with a low around 49. North wind around 5 mph. |
| Wednesday |
Sunny, with a high near 73. Light north northwest wind becoming northwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. |
| Wednesday Night |
Mostly cloudy, with a low around 43. Northwest wind around 5 mph becoming calm in the evening. |
| Thursday |
Mostly sunny, with a high near 67. Calm wind becoming southwest around 5 mph in the afternoon. |
| Thursday Night |
Partly cloudy, with a low around 47. South southeast wind around 5 mph becoming calm. |
| Friday |
Mostly sunny, with a high near 71. |
| Friday Night |
Mostly clear, with a low around 57. |
| Saturday |
Sunny, with a high near 79. Breezy. |
| Saturday Night |
Mostly clear, with a low around 59. Breezy. |
| Sunday |
Mostly sunny, with a high near 70. Breezy. |
| Sunday Night |
A 30 percent chance of showers. Mostly cloudy, with a low around 48. |
| Columbus Day |
A 40 percent chance of showers. Partly sunny, with a high near 57. |
Forecast from NOAA-NWS for Flandreau SD.
