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Hazardous Weather Conditions

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Overcast and Breezy

48°F

9°C

Humidity 63%
Wind Speed NW 21 G 32 mph
Barometer 30.27 in (1025.3 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 16 Oct 12:52 am CDT
Extended Forecast for

Jefferson SD

Freeze Watch October 17, 01:00am until October 17, 08:00am
Click here for hazard details and duration
Freeze Watch

  • Overnight

    Overnight: Mostly cloudy, with a low around 42. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.

    Low: 42 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 53. Breezy, with a north wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 53 °F

    Becoming
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Widespread frost, mainly after 2am. Otherwise, clear, with a low around 31. North northwest wind around 5 mph becoming calm.

    Low: 31 °F

    Frost

  • Saturday

    Saturday: Widespread frost before 8am. Otherwise, sunny, with a high near 60. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 60 °F

    Frost then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 41. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 41 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 67. South wind around 15 mph, with gusts as high as 25 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 53. Breezy, with a north wind 15 to 25 mph, with gusts as high as 35 mph.
Friday Night
Widespread frost, mainly after 2am. Otherwise, clear, with a low around 31. North northwest wind around 5 mph becoming calm.
Saturday
Widespread frost before 8am. Otherwise, sunny, with a high near 60. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Clear, with a low around 41. South wind around 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 67. South wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 75.
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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:
1:33 am CDT Oct 16, 2026
Forecast Valid:
1am CDT Oct 16, 2026-6pm CDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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