News Headlines
Current conditions at
Sioux City, Sioux Gateway Airport (KSUX)
Lat: 42.4°NLon: 96.38°WElev: 1099ft.
Overcast
25°F
-4°C
| Humidity | 88% |
| Wind Speed | N 9 mph |
| Barometer | 29.94 in (1015.3 mb) |
| Dewpoint | 22°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 16°F (-9°C) |
| Last update | 1 Jan 11:52 pm CST |
Extended Forecast for
Jefferson SD
Overnight

Low: 19 °F
Mostly Cloudy
Friday
High: 29 °F
Cloudy then
Chance SnowFriday Night
Low: 21 °F
Chance Snow
then Mostly
CloudySaturday

High: 40 °F
Mostly Sunny
Saturday Night

Low: 23 °F
Partly Cloudy
Sunday

High: 47 °F
Decreasing
CloudsSunday Night

Low: 29 °F
Mostly Clear
Monday

High: 49 °F
Partly Sunny
Monday Night

Low: 31 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 19. Calm wind.
Friday
A chance of flurries between 1pm and 2pm, then a chance of snow after 2pm. Cloudy, with a high near 29. East wind around 5 mph. Chance of precipitation is 30%.
Friday Night
A 30 percent chance of snow before 9pm. Mostly cloudy, with a low around 21. East wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 40. South wind around 5 mph becoming north in the afternoon.
Saturday Night
Partly cloudy, with a low around 23. Light and variable wind becoming southeast 5 to 10 mph after midnight.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 47. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 29.
Monday
Partly sunny, with a high near 49.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
Mostly clear, with a low around 28.
Wednesday
Sunny, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 47.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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)
10:58 pm CST Jan 1, 2026
12am CST Jan 2, 2026-6pm CST Jan 8, 2026


