Hazardous Weather Conditions
Current conditions at
Sioux City, Sioux Gateway Airport (KSUX)
Lat: 42.4°NLon: 96.38°WElev: 1099ft.
Fog/Mist
25°F
-4°C
| Humidity | 92% |
| Wind Speed | SE 14 mph |
| Barometer | 30.08 in (1020.2 mb) |
| Dewpoint | 23°F (-5°C) |
| Visibility | 4.00 mi |
| Wind Chill | 13°F (-11°C) |
| Last update | 8 Dec 11:52 am CST |
Extended Forecast for
Jefferson SD
This Afternoon

High: 33 °F
Patchy Fog
Tonight

Low: 24 °F
Mostly Cloudy
Tuesday
High: 43 °F
Mostly Cloudy
then Slight
Chance Rain
and BreezyTuesday Night

Low: 21 °F
Mostly Cloudy
and WindyWednesday
High: 27 °F
Mostly Cloudy
and Blustery
then Mostly
CloudyWednesday Night

Low: 14 °F
Chance Snow
Thursday

High: 26 °F
Slight Chance
SnowThursday Night
Low: 5 °F
Mostly Cloudy
then Slight
Chance SnowFriday

High: 15 °F
Mostly Cloudy
Detailed Forecast
This Afternoon
Patchy fog between 3pm and 4pm. Otherwise, partly sunny, with a high near 33. South wind around 10 mph.
Tonight
Mostly cloudy, with a low around 24. South wind around 5 mph becoming west in the evening.
Tuesday
A 20 percent chance of rain after 3pm. Mostly cloudy, with a high near 43. Breezy, with a south wind 5 to 10 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 21. Windy, with a west northwest wind 20 to 30 mph, with gusts as high as 40 mph.
Wednesday
Mostly cloudy, with a high near 27. Blustery, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
A 40 percent chance of snow, mainly after midnight. Cloudy, with a low around 14. North wind around 5 mph becoming east southeast after midnight. Little or no snow accumulation expected.
Thursday
A 20 percent chance of snow. Cloudy, with a high near 26.
Thursday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 5.
Friday
Mostly cloudy, with a high near 15.
Friday Night
Mostly cloudy, with a low around -4.
Saturday
A 20 percent chance of snow. Mostly cloudy, with a high near 10.
Saturday Night
Mostly cloudy, with a low around -3.
Sunday
Partly sunny, with a high near 21.
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)
11:43 am CST Dec 8, 2025
12pm CST Dec 8, 2025-6pm CST Dec 14, 2025



