| National Weather Service Forecast for:
South Sioux City NE 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 85. West wind around 5 mph. |
| Tonight |
Mostly clear, with a low around 53. Calm wind becoming north northwest around 5 mph after midnight. |
| Wednesday |
Sunny, with a high near 76. Northwest wind around 5 mph. |
| Wednesday Night |
Partly cloudy, with a low around 49. Calm wind. |
| Thursday |
Mostly sunny, with a high near 71. Calm wind becoming east southeast around 5 mph. |
| Thursday Night |
Partly cloudy, with a low around 52. Calm wind becoming southeast around 5 mph. |
| Friday |
Sunny, with a high near 76. |
| Friday Night |
Mostly clear, with a low around 61. |
| Saturday |
Sunny, with a high near 82. Breezy. |
| Saturday Night |
Clear, with a low around 62. |
| Sunday |
Sunny, with a high near 77. |
| Sunday Night |
A 30 percent chance of showers. Partly cloudy, with a low around 56. |
| Columbus Day |
A 30 percent chance of showers. Partly sunny, with a high near 64. |
Forecast from NOAA-NWS for South Sioux City NE.