| National Weather Service Forecast for:
South Sioux City NE Issued by: National Weather Service Sioux Falls, SD |
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| Updated: 11:28 am CDT May 4, 2026 | ||||||||||||||||||
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| This Afternoon |
Sunny, with a high near 74. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph. |
| Tonight |
A chance of sprinkles before 10pm. Mostly cloudy, with a low around 40. North wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph. |
| Tuesday |
Mostly cloudy, with a high near 59. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. |
| Tuesday Night |
Mostly cloudy, with a low around 34. North northeast wind 5 to 10 mph. |
| Wednesday |
Widespread frost before 8am. Otherwise, partly sunny, with a high near 57. North northeast wind 5 to 10 mph. |
| Wednesday Night |
Partly cloudy, with a low around 36. Northwest wind 5 to 10 mph becoming light and variable in the evening. |
| Thursday |
Areas of frost before 7am. Otherwise, mostly sunny, with a high near 69. |
| Thursday Night |
Partly cloudy, with a low around 38. |
| Friday |
Mostly sunny, with a high near 69. |
| Friday Night |
Partly cloudy, with a low around 42. |
| Saturday |
Mostly sunny, with a high near 73. |
| Saturday Night |
A 30 percent chance of showers. Mostly cloudy, with a low around 45. |
| Sunday |
Mostly sunny, with a high near 73. |
Forecast from NOAA-NWS for South Sioux City NE.
