| National Weather Service Forecast for:
Sioux City IA Issued by: National Weather Service Sioux Falls, SD |
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| Updated: 1:33 am CDT Jun 22, 2026 | ||||||||||||||||||
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| Today |
Partly sunny, with a high near 76. Calm wind becoming south southeast around 5 mph. |
| Tonight |
Partly cloudy, with a low around 58. Southeast wind around 5 mph. |
| Tuesday |
A chance of showers between 8am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny through mid morning, then becoming cloudy, with a high near 78. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. |
| Tuesday Night |
A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm in the evening. |
| Wednesday |
Mostly sunny, with a high near 80. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. |
| Wednesday Night |
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 55. Northwest wind 5 to 10 mph becoming light north after midnight. |
| Thursday |
Mostly sunny, with a high near 78. |
| Thursday Night |
Partly cloudy, with a low around 57. |
| Friday |
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 78. |
| Friday Night |
Mostly cloudy, with a low around 62. |
| Saturday |
Mostly cloudy, with a high near 86. |
| Saturday Night |
A 40 percent chance of showers. Partly cloudy, with a low around 70. |
| Sunday |
Mostly sunny, with a high near 92. |
Forecast from NOAA-NWS for Sioux City IA.
