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Sioux City, IA 51111 Weather

It is 55°F and cloudy in Sioux City, IA 51111, observed at 11:20 AM CDT. Today: Cloudy then Chance Showers And Thunderstorms, high 56°F, low 49°F. Hourly and 10-day forecast from the National Weather Service. Times are local (CDT).

Sioux City, IA 51111 current weather

55°F

Cloudy

H 56° / L 49°Feels like 55°

Observed at Sioux City, Sioux Gateway Airport (1 mi away), 10/30/2026, 11:20 AM CDT

Hourly forecast

NWS, updated 10/30/2026, 7:08 AM PT

  1. Now54°11%
  2. 12 PM54°11%
  3. 1 PM55°10%
  4. 2 PM55°22%
  5. 3 PM56°22%
  6. 4 PM56°25%
  7. 5 PM56°27%
  8. 6 PM56°37%
  9. 7 PM54°47%
  10. 8 PM54°45%
  11. 9 PM53°51%
  12. 10 PM52°39%
  13. 11 PM52°35%
  14. 12 AM51°51%Sat
  15. 1 AM51°45%
  16. 2 AM51°28%
  17. 3 AM50°24%
  18. 4 AM52°31%
  19. 5 AM53°15%
  20. 6 AM53°27%
  21. 7 AM54°26%
  22. 8 AM54°19%
  23. 9 AM55°35%
  24. 10 AM57°27%
  25. 11 AM59°18%
  26. 12 PM60°
  27. 1 PM61°14%
  28. 2 PM61°30%
  29. 3 PM61°14%
  30. 4 PM61°10%
  31. 5 PM61°12%
  32. 6 PM62°
  33. 7 PM60°19%
  34. 8 PM58°19%
  35. 9 PM57°19%
  36. 10 PM56°19%
  37. 11 PM55°19%
  38. 12 AM55°19%Sun
  39. 1 AM55°17%
  40. 1 AM55°17%
  41. 2 AM54°17%
  42. 3 AM53°17%
  43. 4 AM53°17%
  44. 5 AM52°17%
  45. 6 AM52°13%
  46. 7 AM53°13%
  47. 8 AM54°13%
  48. 9 AM56°13%

10-day forecast

Tap a day for details

  • Today10/3051% chance of precipitationLow 49°High 56°

    Today: A slight chance of rain showers between 2pm and 4pm, then a chance of showers and thunderstorms. Cloudy, with a high near 56. East southeast wind around 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

    Tonight: A chance of showers and thunderstorms before 11pm, then a chance of rain showers and patchy fog between 11pm and 3am, then patchy fog and a slight chance of rain showers between 3am and 4am, then a chance of rain showers and patchy fog between 4am and 5am, then patchy fog and a slight chance of rain showers. Cloudy. Low around 49, with temperatures rising to around 53 overnight. East southeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

    Cloudy then Chance Showers And Thunderstorms
  • Sat10/3135% chance of precipitationLow 51°High 63°

    Saturday: A chance of rain showers and patchy fog before 3pm. Mostly cloudy, with a high near 63. South southeast wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

    Saturday Night: A slight chance of rain showers after 7pm. Mostly cloudy, with a low around 51. South southeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Chance Rain Showers
  • Sun11/175% chance of precipitationLow 54°High 64°

    Sunday: Mostly cloudy, with a high near 64. South southeast wind 5 to 10 mph.

    Sunday Night: Showers and thunderstorms after midnight. Cloudy, with a low around 54. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Mostly Cloudy
  • Mon11/299% chance of precipitationLow 50°High 67°

    Monday: Showers and thunderstorms. Cloudy, with a high near 67. Chance of precipitation is 100%.

    Monday Night: Showers and thunderstorms. Mostly cloudy, with a low around 50. Chance of precipitation is 80%.

    Showers And Thunderstorms
  • Tue11/362% chance of precipitationLow 44°High 59°

    Tuesday: Rain showers likely. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.

    Tuesday Night: A chance of rain showers. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.

    Rain Showers Likely
  • Wed11/426% chance of precipitationLow 38°High 55°

    Wednesday: A chance of rain showers. Partly sunny, with a high near 55. Chance of precipitation is 30%.

    Wednesday Night: Partly cloudy, with a low around 38.

    Chance Rain Showers
  • Thu11/522% chance of precipitationLow 37°High 54°

    Thursday: A slight chance of rain showers. Partly sunny, with a high near 54.

    Thursday Night: A slight chance of rain showers. Mostly cloudy, with a low around 37.

    Slight Chance Rain Showers
  • Fri11/6Model blendLow 37°High 54°

    Friday: Partly cloudy. High near 54°. Low that night near 37°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sat11/7Model blend18% chance of precipitationLow 38°High 55°

    Saturday: Mostly cloudy. High near 55°. Low that night near 38°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sun11/8Model blend19% chance of precipitationLow 38°High 55°

    Sunday: Partly cloudy, slight chance of rain. High near 55°. Low that night near 38°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 42.417, -96.385 from the NWS FSD office, updated 10/30/2026, 7:08 AM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KSUX (Sioux City/Day Fld, 2 mi), model run 10/30/2026, 9:00 AM CDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now54°Cloudy11%10 mph
  2. 12 PM54°Cloudy11%10 mph
  3. 1 PM55°Cloudy10%10 mph
  4. 2 PM55°Slight Chance Rain Showers22%10 mph
  5. 3 PM56°Slight Chance Rain Showers22%10 mph
  6. 4 PM56°Chance Showers And Thunderstorms25%10 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Sioux City, IA 51111 right now?
The latest observation from Sioux City, Sioux Gateway Airport was 55°F and cloudy, reported at 10/30/2026, 11:20 AM CDT.
What is the high temperature today in Sioux City, IA 51111?
The National Weather Service forecast for today calls for a high near 56°F. Cloudy then Chance Showers And Thunderstorms.
Will it rain in Sioux City, IA 51111 in the next 24 hours?
The hourly forecast shows a 51% chance of precipitation around 10/30/2026, 9:00 PM CDT.
What is the 10-day forecast for Sioux City, IA 51111?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 6 to Nov 8) come from the NOAA National Blend of Models, with highs of 54°F to 55°F. Model guidance this far out often changes.
What time is sunrise and sunset in Sioux City, IA 51111 today?
Sunrise is about 7:56 AM CDT and sunset is about 6:21 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Sioux City, IA 51111?
At Sioux City Ang, the 1991 to 2020 normal high in October is 64°F and the normal low is 37°F.

Nearby hazards

Iowa hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:General thunderstormsOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (Northwest Iowa)
25GoodPM2.5
AQI forecast tomorrow (Northwest Iowa)
37GoodOzone

UV index guide · Air quality

Drought

By county

Woodbury County, week of 10/27/2026

No drought or abnormal dryness in this county.

Sun and moon

Local time, center of the area

Sunrise
7:56 AM
Sunset
6:21 PM
Daylight
10 hr 24 min
Moon
Waning Gibbous 78% lit
First light (civil dawn)
7:27 AM
Last light (civil dusk)
6:50 PM
Moonrise
9:57 PM
Moonset
1:17 PM

Normal October weather

Climate

Normal October high 64°, low 37°, precipitation 2.38 in for the month. 1991 to 2020 normals at Sioux City Ang, 1 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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