Hazardous Weather Conditions
Current conditions at
Sioux City, Sioux Gateway Airport (KSUX)
Lat: 42.4°NLon: 96.38°WElev: 1099ft.
Light Snow
13°F
-11°C
| Humidity | 84% |
| Wind Speed | SE 13 mph |
| Barometer | 30.29 in (1028.0 mb) |
| Dewpoint | 9°F (-13°C) |
| Visibility | 8.00 mi |
| Wind Chill | -2°F (-19°C) |
| Last update | 7 Dec 8:52 pm CST |
Extended Forecast for
Jefferson SD
Tonight
Low: 14 °F
Slight Chance
Snow then
Mostly CloudyMonday

High: 32 °F
Partly Sunny
Monday Night

Low: 28 °F
Mostly Cloudy
Tuesday

High: 43 °F
Mostly Cloudy
Tuesday Night

Low: 22 °F
Mostly Cloudy
and WindyWednesday
High: 26 °F
Mostly Cloudy
and Blustery
then Mostly
CloudyWednesday Night

Low: 14 °F
Chance Snow
Thursday

High: 23 °F
Chance Snow
Thursday Night

Low: 1 °F
Mostly Cloudy
Detailed Forecast
Tonight
A 20 percent chance of snow before 11pm. Cloudy, with a low around 14. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 32. South southeast wind around 10 mph.
Monday Night
Mostly cloudy, with a steady temperature around 28. South wind around 5 mph becoming west in the evening.
Tuesday
Mostly cloudy, with a high near 43. South wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 22. Windy, with a west northwest wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph.
Wednesday
Mostly cloudy, with a high near 26. Blustery, with a northwest wind 15 to 25 mph decreasing to 5 to 15 mph in the afternoon. Winds could gust as high as 40 mph.
Wednesday Night
A 50 percent chance of snow. Cloudy, with a low around 14.
Thursday
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 23.
Thursday Night
Mostly cloudy, with a low around 1.
Friday
Partly sunny, with a high near 10.
Friday Night
Mostly cloudy, with a low around -6.
Saturday
A 20 percent chance of snow. Mostly cloudy, with a high near 8.
Saturday Night
Mostly cloudy, with a low around -3.
Sunday
Partly sunny, with a high near 17.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Jefferson SD
42.61°N 96.56°W (Elev. 1125 ft)
42.61°N 96.56°W (Elev. 1125 ft)
9:13 pm CST Dec 7, 2025
9pm CST Dec 7, 2025-6pm CST Dec 14, 2025



