| National Weather Service Forecast for:
Sioux City IA Issued by: National Weather Service Sioux Falls, SD |
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| Updated: 1:33 pm CDT May 4, 2026 | ||||||||||||||||||
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| This Afternoon |
Sunny, with a high near 74. North northwest wind around 15 mph, with gusts as high as 30 mph. |
| Tonight |
Scattered sprinkles with isolated showers before 9pm, then scattered sprinkles between 9pm and 10pm. Mostly cloudy, with a low around 40. North northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 20%. |
| Tuesday |
Mostly cloudy, with a high near 58. 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 7am. Otherwise, partly sunny, with a high near 57. North wind 5 to 10 mph. |
| Wednesday Night |
Partly cloudy, with a low around 35. Northwest wind 5 to 10 mph becoming light and variable in the evening. |
| Thursday |
Areas of frost before 7am. Otherwise, sunny, with a high near 69. |
| Thursday Night |
Partly cloudy, with a low around 41. |
| Friday |
Mostly sunny, with a high near 70. |
| Friday Night |
Partly cloudy, with a low around 43. |
| Saturday |
Mostly sunny, with a high near 74. |
| Saturday Night |
A 40 percent chance of showers. Mostly cloudy, with a low around 45. |
| Sunday |
Partly sunny, with a high near 68. |
Forecast from NOAA-NWS for Sioux City IA.
