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

93°F

34°C

Humidity 42%
Wind Speed S 15 G 25 mph
Barometer 29.77 in (1007.2 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 9 Jun 1:52 pm CDT
Extended Forecast for

2 Miles NE North Sioux City SD

Heat Advisory until June 9, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until June 9, 09:00pm

    NOW until 9:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 95 °F

    Hot and
    Breezy

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 2am. Some of the storms could be severe. Mostly cloudy, with a low around 71. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 71 °F

    Severe
    Thunderstorms
    and Breezy

  • Wednesday

    Wednesday: A chance of thunderstorms before 7am. Partly sunny, then gradually becoming sunny, with a high near 92. South wind around 15 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 30%.

    High: 92 °F

    Chance
    T-storms then
    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 3am. Increasing clouds, with a low around 60. West northwest wind 10 to 15 mph becoming east northeast 5 to 10 mph in the evening. Winds could gust as high as 25 mph.

    Low: 60 °F

    Clear then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 78. Breezy, with an east southeast wind 5 to 10 mph becoming northwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 78 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Clear, with a low around 55. Breezy, with a west wind 15 to 20 mph decreasing to 5 to 10 mph in the evening. Winds could gust as high as 30 mph.

    Low: 55 °F

    Mostly Clear
    and Breezy
    then Clear

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 95. Heat index values as high as 101. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 2am. Some of the storms could be severe. Mostly cloudy, with a low around 71. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
A chance of thunderstorms before 7am. Partly sunny, then gradually becoming sunny, with a high near 92. South wind around 15 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of showers after 3am. Increasing clouds, with a low around 60. West northwest wind 10 to 15 mph becoming east northeast 5 to 10 mph in the evening. Winds could gust as high as 25 mph.
Thursday
A 50 percent chance of showers before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 78. Breezy, with an east southeast wind 5 to 10 mph becoming northwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
Clear, with a low around 55. Breezy, with a west wind 15 to 20 mph decreasing to 5 to 10 mph in the evening. Winds could gust as high as 30 mph.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 61.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Saturday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 56.
Sunday
Partly sunny, with a high near 75.
Sunday Night
Mostly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE North Sioux City SD
 42.56°N 96.47°W (Elev. 1286 ft)
Last Update:
1:33 pm CDT Jun 9, 2026
Forecast Valid:
2pm CDT Jun 9, 2026-6pm CDT Jun 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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