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.

Partly Cloudy

65°F

18°C

Humidity 84%
Wind Speed SE 3 mph
Barometer 30.13 in (1019.6 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 10 Oct 12:52 am CDT
Extended Forecast for

Jefferson SD

  • Overnight

    Overnight: Mostly clear, with a low around 54. Southwest wind around 5 mph becoming northwest.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76. North wind 5 to 10 mph.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. Northeast wind around 5 mph becoming east southeast after midnight.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 70. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 70 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 57. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 57 °F

    Chance
    Showers and
    Breezy

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 83. Breezy, with a southeast wind around 20 mph, with gusts as high as 35 mph.

    High: 83 °F

    Slight Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 54. Southwest wind around 5 mph becoming northwest.
Friday
Sunny, with a high near 76. North wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 45. Northeast wind around 5 mph becoming east southeast after midnight.
Saturday
Mostly cloudy, with a high near 70. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 57. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
A 20 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 83. Breezy, with a southeast wind around 20 mph, with gusts as high as 35 mph.
Sunday Night
Partly cloudy, with a low around 46.
Columbus Day
Mostly sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 46.
Wednesday
Partly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 70.
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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:
12:28 am CDT Oct 10, 2025
Forecast Valid:
1am CDT Oct 10, 2025-6pm CDT Oct 16, 2025
 
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