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

75°F

24°C

Humidity 58%
Wind Speed S 17 G 28 mph
Barometer 29.82 in (1009.4 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 22 Apr 11:52 am CDT
Extended Forecast for

2 Miles SSE Jefferson SD

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

    NOW until 8:00pm Wed

    Red Flag Warning

  • This Afternoon

    High: 87 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 60. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.

    Low: 60 °F

    Breezy.
    Partly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Cloudy, then gradually becoming mostly sunny, with a high near 80. Breezy, with a south wind 15 to 20 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 80 °F

    Chance
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 43 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 64. Northwest wind around 15 mph, with gusts as high as 20 mph.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 38. North wind 5 to 15 mph.

    Low: 38 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers. Partly sunny, with a high near 64.

    High: 64 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 87. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 60. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.
Thursday
A 50 percent chance of showers and thunderstorms. Cloudy, then gradually becoming mostly sunny, with a high near 80. Breezy, with a south wind 15 to 20 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 64. Northwest wind around 15 mph, with gusts as high as 20 mph.
Friday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 38. North wind 5 to 15 mph.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 64.
Saturday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 45.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.
Sunday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 44. Chance of precipitation is 80%.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 58. Breezy.
Monday Night
Mostly cloudy, with a low around 36. Breezy.
Tuesday
Mostly sunny, with a high near 60.
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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:
11:38 am CDT Apr 22, 2026
Forecast Valid:
12pm CDT Apr 22, 2026-6pm CDT Apr 28, 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