| National Weather Service Forecast for:
Sioux City IA Issued by: National Weather Service Sioux Falls, SD |
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| Updated: 7:48 am CST Dec 22, 2025 | ||||||||||||||||||
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| Today |
Sunny, with a high near 55. South wind 5 to 10 mph, with gusts as high as 20 mph. |
| Tonight |
Increasing clouds, with a low around 32. South wind around 5 mph becoming northwest after midnight. |
| Tuesday |
Partly sunny, with a high near 45. Calm wind becoming east around 5 mph in the afternoon. |
| Tuesday Night |
Mostly cloudy, with a low around 31. Southeast wind around 5 mph. |
| Wednesday |
Mostly cloudy, with a high near 51. South wind around 5 mph. |
| Wednesday Night |
Mostly cloudy, with a low around 37. South southeast wind around 5 mph. |
| Christmas Day |
Partly sunny, with a high near 56. |
| Thursday Night |
Partly cloudy, with a low around 30. |
| Friday |
Mostly sunny, with a high near 45. |
| Friday Night |
Mostly cloudy, with a low around 32. |
| Saturday |
Partly sunny, with a high near 47. |
| Saturday Night |
Mostly cloudy, with a low around 21. |
| Sunday |
Mostly sunny, with a high near 35. |
Forecast from NOAA-NWS for Sioux City IA.
