10-Day Weather Forecast - Sioux City, IA

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  • 15|6°F
    Mostly Sunny
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    Today

    15°F

    Mostly sunny. Cooler with highs around 16. West winds 10 to 15 mph. Wind chill values as low as 12 below.

    Tonight

    6°F

    Mostly cloudy in the evening then clearing. Cold with lows around 2 above. West winds around 5 mph in the evening becoming light and variable.

    Hourly details
  • Day

    27°F

    Mostly sunny in the morning then mostly cloudy with a slight chance of snow in the afternoon. Not as cool with highs in the mid 20s. South winds 5 to 10 mph. Chance of snow 20 percent.

    Night

    18°F

    Mostly cloudy with a slight chance of snow in the evening then partly cloudy after midnight. Not as cold with lows around 13. Southwest winds 5 to 10 mph becoming northwest after midnight. Chance of snow 20 percent.

    Hourly details
  • Day

    37°F

    Mostly sunny. A slight chance of snow in the afternoon. Not as cool with highs in the upper 30s. West winds 15 to 20 mph. Gusts up to 40 mph in the afternoon. Chance of snow 20 percent.

    Night

    11°F

    Mostly clear. Cold with lows around 10 above.

    Hourly details
  • Day

    28°F

    Mostly sunny. Cooler with highs in the mid 20s.

    Night

    -2°F

    Mostly cloudy. Much colder with lows around 10 below. Wind chill values as low as 25 below.

    Hourly details
  • Day

    1°F

    Partly sunny. Much colder with highs around zero. Wind chill values as low as 25 below.

    Night

    -9°F

    Mostly cloudy. Cold with lows around 10 below. Wind chill values as low as 25 below.

    Hourly details
  • Weekend Weather

  • Day

    10°F

    Mostly sunny. Not as cold with highs around 10 above. Wind chill values as low as 25 below.

    Night

    -3°F

    Partly cloudy. Cold with lows 5 below to zero. Wind chill values as low as 15 below.

    Hourly details
  • Day

    22°F

    Mostly sunny. Highs around 20. Wind chill values as low as 15 below in the morning.

    Night

    3°F

    Clear. Low temperature around 3F. Dew point will be around 7F with an average humidity of 73%. Winds will be 4 mph from the S.

  • Day

    24°F

    Sunny. High temperature around 24F. Dew point will be around 5F with an average humidity of 65%. Winds will be 2 mph from the S.

    Night

    8°F

    Partly cloudy. Low temperature around 8F. Dew point will be around 7F with an average humidity of 77%. Winds will be 2 mph from the SE.

  • Day

    22°F

    Cloudy. High temperature around 22F. Dew point will be around 8F with an average humidity of 65%. Winds will be 1 mph from the SE.

    Night

    6°F

    Mostly cloudy. Low temperature around 6F. Dew point will be around 7F with an average humidity of 77%. Winds will be 2 mph from the NW.

  • Day

    23°F

    Sunny. High temperature around 23F. Dew point will be around 7F with an average humidity of 64%. Winds will be 2 mph from the W.

    Night

    10°F

    Mostly clear. Low temperature around 10F. Dew point will be around 8F with an average humidity of 74%. Winds will be 3 mph from the SE.