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

74°F

23°C

Humidity 91%
Wind Speed SE 8 mph
Barometer 29.74 in (1006.2 mb)
Dewpoint 71°F (22°C)
Visibility 8.00 mi
Last update 8 Aug 7:52 am CDT
Extended Forecast for

4 Miles NNE Sergeant Bluff IA

Heat Advisory August 8, 01:00pm until August 8, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Mostly sunny, with a high near 91. Heat index values as high as 103. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 91 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 1am and 2am. Partly cloudy, with a low around 69. South wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 20%.

    Low: 69 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 82. North wind 5 to 10 mph.

    High: 82 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63. Northeast wind around 5 mph becoming calm.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 82. Calm wind becoming north northwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms, then a chance of showers after 10pm. Partly cloudy, with a low around 61. North northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 91. Heat index values as high as 103. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
A slight chance of showers and thunderstorms between 1am and 2am. Partly cloudy, with a low around 69. South wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 20%.
Saturday
A 40 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 82. North wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 63. Northeast wind around 5 mph becoming calm.
Sunday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 82. Calm wind becoming north northwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers and thunderstorms, then a chance of showers after 10pm. Partly cloudy, with a low around 61. North northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Sergeant Bluff IA
 42.46°N 96.33°W (Elev. 1198 ft)
Last Update:
7:45 am CDT Aug 8, 2025
Forecast Valid:
8am CDT Aug 8, 2025-6pm CDT Aug 14, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation