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

Hazardous Weather Conditions

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair

6°F

-14°C

Humidity 87%
Wind Speed SE 6 mph
Barometer 30.23 in (1026.1 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill-5°F (-21°C)
Last update 20 Jan 8:52 am CST
Extended Forecast for

Sergeant Bluff IA

  • Today

    Today: A 50 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 27. South southeast wind 5 to 10 mph. Total daytime snow accumulation of less than a half inch possible.

    High: 27 °F

    Partly Sunny
    then Chance
    Snow

  • Tonight

    Tonight: Snow likely, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 14. Southeast wind 5 to 10 mph becoming northwest in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Snow Likely
    then Partly
    Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Mostly sunny, with a high near 38. Windy, with a west southwest wind 5 to 15 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 38 °F

    Mostly Sunny
    and Breezy
    then Slight
    Chance Snow
    and Windy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 9. Blustery, with a west northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 9 °F

    Partly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 24. West wind 5 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 24 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -11. North wind around 10 mph.

    Low: -11 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 2.

    High: 2 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around -9.

    Low: -9 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow. Partly sunny, with a high near 10.

    High: 10 °F

    Slight Chance
    Snow

Detailed Forecast

Today
A 50 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 27. South southeast wind 5 to 10 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow likely, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 14. Southeast wind 5 to 10 mph becoming northwest in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 38. Windy, with a west southwest wind 5 to 15 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 40 mph.
Wednesday Night
Partly cloudy, with a low around 9. Blustery, with a west northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Thursday
Partly sunny, with a high near 24. West wind 5 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around -11. North wind around 10 mph.
Friday
Partly sunny, with a high near 2.
Friday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around -9.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 10.
Saturday Night
Partly cloudy, with a low around -4.
Sunday
Mostly sunny, with a high near 21.
Sunday Night
Partly cloudy, with a low around 1.
Monday
Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sergeant Bluff IA
 42.39°N 96.35°W (Elev. 1089 ft)
Last Update:
8:13 am CST Jan 20, 2026
Forecast Valid:
9am CST Jan 20, 2026-6pm CST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation