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Hazardous Weather Conditions

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair and Breezy

86°F

30°C

Humidity 57%
Wind Speed S 21 G 32 mph
Barometer 29.54 in (998.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 21 Jun 9:52 am CDT
Extended Forecast for

4 Miles NNE Sergeant Bluff IA

Extreme Heat Warning June 21, 10:06am until June 22, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 21, 10:06am until June 22, 09:00pm

    NOW until 9:00pm Sun

    Extreme Heat Warning

  • Today

    High: 101 °F

    Hot and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 78. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.

    Low: 78 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny and hot, with a high near 100. Heat index values as high as 106. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 100 °F

    Hot and
    Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 69 °F

    Chance
    T-storms and
    Breezy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 81 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. East northeast wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 62 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 79. Chance of precipitation is 80%.

    High: 79 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 65. Chance of precipitation is 80%.

    Low: 65 °F

    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 101. Heat index values as high as 106. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 35 mph.
Tonight
Mostly clear, with a low around 78. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.
Sunday
Sunny and hot, with a high near 100. Heat index values as high as 106. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. North wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. East northeast wind 5 to 10 mph. Chance of precipitation is 70%.
Tuesday
Showers and possibly a thunderstorm. High near 79. Chance of precipitation is 80%.
Tuesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 65. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 85.
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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:
9:46 am CDT Jun 21, 2025
Forecast Valid:
10am CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
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