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.

Overcast

85°F

29°C

Humidity 68%
Wind Speed N 5 mph
Barometer 29.83 in (1009.3 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 9 Aug 1:52 pm CDT
Extended Forecast for

Sergeant Bluff IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 87. Northeast wind around 5 mph.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 68. East northeast wind 5 to 10 mph.

    Low: 68 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 86. Northeast wind around 10 mph becoming southeast in the afternoon.

    High: 86 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 68. East wind around 5 mph.

    Low: 68 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. East northeast wind around 5 mph.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Northeast wind around 5 mph.

    Low: 67 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Cloudy, with a high near 72. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 87. Northeast wind around 5 mph.
Tonight
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 68. East northeast wind 5 to 10 mph.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 86. Northeast wind around 10 mph becoming southeast in the afternoon.
Monday Night
Mostly cloudy, with a low around 68. East wind around 5 mph.
Tuesday
Mostly sunny, with a high near 87. East northeast wind around 5 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Northeast wind around 5 mph.
Wednesday
Partly sunny, with a high near 85.
Wednesday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Cloudy, with a high near 72. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 60.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 72.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Saturday
A 30 percent chance of showers. Mostly cloudy, with a high near 74.
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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:
2:23 pm CDT Aug 9, 2026
Forecast Valid:
2pm CDT Aug 9, 2026-6pm CDT Aug 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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