| NWS Forecast for: South Sioux City NE Issued by: National Weather Service Sioux Falls, SD Last Update: 11:48 pm CDT Mar 12, 2026 |  |
Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 28. Windy, with a northwest wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 55 mph. Friday: Increasing clouds, with a high near 44. Breezy, with a northwest wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph. Friday Night: A 50 percent chance of snow, mainly between 10pm and 4am. Cloudy, then gradually becoming partly cloudy, with a low around 28. East wind 5 to 10 mph. Little or no snow accumulation expected. Saturday: Increasing clouds, with a high near 51. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Saturday Night: Snow, possibly mixed with rain. Low around 25. East wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible. Sunday: Snow, possibly mixed with rain, becoming all snow after 7am. Patchy blowing snow. High near 35. Windy, with a north wind 20 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of around 3 inches. Sunday Night: Patchy blowing snow. Partly cloudy, with a low around 2. Blustery. Monday: Sunny, with a high near 19. Monday Night: Partly cloudy, with a low around 2. Tuesday: A 20 percent chance of snow. Mostly cloudy, with a high near 32. Tuesday Night: A slight chance of rain and snow. Mostly cloudy, with a low around 19. Chance of precipitation is 20%. Wednesday: Partly sunny, with a high near 51. Wednesday Night: Partly cloudy, with a low around 30. Thursday: Sunny, with a high near 64. | |
| South Sioux City NE 42.48°N 96.41°W (Elev. 1093 ft) | |
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