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

81°F

27°C

Humidity 19%
Wind Speed Calm
Barometer 29.87 in (1010.8 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 21 Apr 12:52 pm CDT
Extended Forecast for

2 Miles SSE Jefferson SD

Red Flag Warning April 22, 12:00pm until April 22, 08:00pm
Click here for hazard details and duration
Red Flag Warning

  • This Afternoon

    This Afternoon: Sunny, with a high near 86. North wind around 5 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. East northeast wind 5 to 10 mph becoming southeast after midnight.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 90 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 59. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.

    Low: 59 °F

    Breezy.
    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    High: 79 °F

    Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 42. West southwest wind around 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%.

    Low: 42 °F

    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 86. North wind around 5 mph.
Tonight
Mostly clear, with a low around 55. East northeast wind 5 to 10 mph becoming southeast after midnight.
Wednesday
Sunny, with a high near 90. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
Wednesday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 59. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 42. West southwest wind around 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 38.
Saturday
Partly sunny, with a high near 63.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Showers likely. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 59. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Jefferson SD
 42.56°N 96.53°W (Elev. 1102 ft)
Last Update:
1:33 pm CDT Apr 21, 2026
Forecast Valid:
1pm CDT Apr 21, 2026-6pm CDT Apr 27, 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