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

67°F

19°C

Humidity 93%
Wind Speed SE 9 mph
Barometer 29.90 in (1011.8 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 2 Aug 11:52 pm CDT
Extended Forecast for

Sergeant Bluff IA

  • Overnight

    Overnight: Partly cloudy, with a low around 64. Southeast wind 5 to 10 mph.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 90. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 90 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A chance of rain between midnight and 1am, then a slight chance of showers and thunderstorms after 1am. Patchy smoke between 3am and 4am. Mostly cloudy, with a low around 67. Breezy, with a south southeast wind 15 to 20 mph becoming south 5 to 10 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Partly Cloudy
    and Breezy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Patchy smoke after 9am. High near 76. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 76 °F

    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms, mainly between 7pm and 1am. Patchy smoke before 8pm. Mostly cloudy, with a low around 57. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A slight chance of showers before 1pm, then a chance of sprinkles after 1pm. Mostly cloudy, with a high near 76. Calm wind becoming northeast around 5 mph. Chance of precipitation is 20%.

    High: 76 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 64. Southeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 90. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
A chance of rain between midnight and 1am, then a slight chance of showers and thunderstorms after 1am. Patchy smoke between 3am and 4am. Mostly cloudy, with a low around 67. Breezy, with a south southeast wind 15 to 20 mph becoming south 5 to 10 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Tuesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Patchy smoke after 9am. High near 76. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms, mainly between 7pm and 1am. Patchy smoke before 8pm. Mostly cloudy, with a low around 57. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Wednesday
A slight chance of showers before 1pm, then a chance of sprinkles after 1pm. Mostly cloudy, with a high near 76. Calm wind becoming northeast around 5 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 59.
Friday
Mostly sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 65.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sergeant Bluff IA
 42.41°N 96.35°W (Elev. 1194 ft)
Last Update:
10:38 pm CDT Aug 2, 2026
Forecast Valid:
12am CDT Aug 3, 2026-6pm CDT Aug 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation