National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair

32°F

0°C

Humidity 88%
Wind Speed E 3 mph
Barometer 29.85 in (1011.7 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 13 Jan 12:52 am CST
Extended Forecast for

Sergeant Bluff IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 33. Northeast wind 10 to 15 mph becoming west. Winds could gust as high as 25 mph.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain between 1pm and 5pm, then a chance of sprinkles after 5pm. Mostly cloudy, with a high near 55. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 55 °F

    Mostly Cloudy
    then Slight
    Chance Rain
    and Breezy

  • Tuesday Night

    Tuesday Night: A chance of sprinkles before 7pm. Mostly cloudy, with a low around 23. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 23 °F

    Mostly Cloudy
    then Partly
    Cloudy and
    Blustery

  • Wednesday

    Wednesday: Sunny, with a high near 32. Breezy, with a north wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 32 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 16. North wind around 5 mph becoming calm.

    Low: 16 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after noon. Partly sunny, with a high near 41. South wind 5 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 41 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 27. Blustery.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    and Blustery

  • Friday

    Friday: A 30 percent chance of snow. Mostly cloudy, with a high near 34. Breezy.

    High: 34 °F

    Chance Snow
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 8. Blustery.

    Low: 8 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 33. Northeast wind 10 to 15 mph becoming west. Winds could gust as high as 25 mph.
Tuesday
A slight chance of rain between 1pm and 5pm, then a chance of sprinkles after 5pm. Mostly cloudy, with a high near 55. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of sprinkles before 7pm. Mostly cloudy, with a low around 23. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 32. Breezy, with a north wind 10 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 16. North wind around 5 mph becoming calm.
Thursday
A 20 percent chance of snow after noon. Partly sunny, with a high near 41. South wind 5 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 27. Blustery.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 34. Breezy.
Friday Night
Mostly cloudy, with a low around 8. Blustery.
Saturday
A 20 percent chance of snow before noon. Partly sunny, with a high near 20.
Saturday Night
Partly cloudy, with a low around 3.
Sunday
Mostly sunny, with a high near 29.
Sunday Night
Partly cloudy, with a low around 11.
M.L.King Day
Mostly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sergeant Bluff IA
 42.41°N 96.35°W (Elev. 1194 ft)
Last Update:
1:18 am CST Jan 13, 2026
Forecast Valid:
1am CST Jan 13, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation