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 and Breezy

90°F

32°C

Humidity 45%
Wind Speed S 23 G 36 mph
Barometer 29.54 in (999.2 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 20 Jun 9:52 pm CDT
Extended Forecast for

4 Miles SE Bronson IA

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

    NOW until 9:00pm Sun

    Extreme Heat Warning

  • Tonight

    Low: 78 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny and hot, with a high near 102. Heat index values as high as 109. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 40 mph.

    High: 102 °F

    Hot and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 78. Breezy, with a south wind around 20 mph, with gusts as high as 35 mph.

    Low: 78 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny and hot, with a high near 99. Heat index values as high as 103. Breezy, with a south wind 20 to 25 mph, with gusts as high as 40 mph.

    High: 99 °F

    Hot and
    Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 70 °F

    Chance
    T-storms and
    Breezy

  • Monday

    Monday: A slight chance of thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. West wind around 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

    High: 85 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 63. Chance of precipitation is 80%.

    Low: 63 °F

    Chance
    T-storms then
    Showers

  • Tuesday

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

    High: 80 °F

    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 78. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.
Saturday
Sunny and hot, with a high near 102. Heat index values as high as 109. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 40 mph.
Saturday Night
Mostly clear, with a low around 78. Breezy, with a south wind around 20 mph, with gusts as high as 35 mph.
Sunday
Sunny and hot, with a high near 99. Heat index values as high as 103. Breezy, with a south wind 20 to 25 mph, with gusts as high as 40 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
A slight chance of thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. West wind around 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 63. Chance of precipitation is 80%.
Tuesday
Showers and possibly a thunderstorm. High near 80. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Friday
Partly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Bronson IA
 42.37°N 96.18°W (Elev. 1138 ft)
Last Update:
10:30 pm CDT Jun 20, 2025
Forecast Valid:
10pm CDT Jun 20, 2025-6pm CDT Jun 27, 2025
 
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