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.

Light Rain Fog/Mist

73°F

23°C

Humidity 96%
Wind Speed SW 7 mph
Barometer 29.94 in (1012.9 mb)
Dewpoint 72°F (22°C)
Visibility 3.00 mi
Last update 10 Aug 3:52 am CDT
Extended Forecast for

Jefferson SD

  • Today

    Today: Areas of smoke after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 82. Light and variable wind becoming north northwest 5 to 10 mph in the morning.

    High: 82 °F

    Mostly Cloudy
    then Areas
    Smoke

  • Tonight

    Tonight: Areas of smoke before 10pm. Partly cloudy, with a low around 60. Northwest wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Areas Smoke
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. South wind around 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 83. Southwest wind 5 to 10 mph becoming north northwest in the afternoon.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. North northwest wind around 5 mph becoming east southeast after midnight.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Areas of smoke after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 82. Light and variable wind becoming north northwest 5 to 10 mph in the morning.
Tonight
Areas of smoke before 10pm. Partly cloudy, with a low around 60. Northwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 82. Calm wind becoming south southwest around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 64. South wind around 5 mph.
Tuesday
Sunny, with a high near 83. Southwest wind 5 to 10 mph becoming north northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 61. North northwest wind around 5 mph becoming east southeast after midnight.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 72.
Friday
Mostly sunny, with a high near 90.
Friday Night
Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jefferson SD
 42.61°N 96.56°W (Elev. 1125 ft)
Last Update:
3:01 am CDT Aug 10, 2025
Forecast Valid:
4am CDT Aug 10, 2025-6pm CDT Aug 16, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation