| National Weather Service Forecast for:
South Sioux City NE Issued by: National Weather Service Sioux Falls, SD |
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| Updated: 11:33 am CDT Mar 19, 2026 | ||||||||||||||||||
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| This Afternoon |
Sunny, with a high near 74. Calm wind becoming southwest around 5 mph. |
| Tonight |
Partly cloudy, with a low around 40. South wind around 5 mph becoming west northwest after midnight. |
| Friday |
Sunny, with a high near 75. Northwest wind around 5 mph. |
| Friday Night |
Mostly clear, with a low around 44. Northwest wind around 5 mph becoming south southeast in the evening. |
| Saturday |
Sunny, with a high near 86. South wind 5 to 10 mph. |
| Saturday Night |
Partly cloudy, with a low around 46. South wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph. |
| Sunday |
Partly sunny, with a high near 61. |
| Sunday Night |
Mostly clear, with a low around 29. |
| Monday |
Partly sunny, with a high near 56. |
| Monday Night |
Mostly cloudy, with a low around 39. |
| Tuesday |
Partly sunny, with a high near 64. |
| Tuesday Night |
Mostly cloudy, with a low around 39. |
| Wednesday |
Partly sunny, with a high near 72. |
Forecast from NOAA-NWS for South Sioux City NE.
