What is today's weather forecast for South Sioux City, NE?

Today's forecast for South Sioux City shows a low of 36 degrees Fahrenheit. Mostly clear.

What is the 7-day weather forecast for South Sioux City, NE?

The 7-day forecast for South Sioux City shows highs from 55 to 69 degrees and lows from 32 to 47 degrees Fahrenheit.

How accurate is the South Sioux City weather forecast?

WeatherForYou provides highly accurate South Sioux City forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

South Sioux City, NE Weather Forecast and Current Conditions (68776)

Current Conditions From Nearby Local Station

51°F
Feels Like 51°F

Humidity 59% Dew Point 37°F Wind N 4 MPH Gusts 9 Barometer 29.99 in.761.7 mm

Solar Rad 0 w/m2

Report from a MADIS/MESONET station 1.2 miles SSE of central South Sioux City
at 8:45 PM Sat, Oct 18, 2025

Current Conditions From Nearby Local Station

51°F
Feels Like 51°F

Humidity 59% Dew Point 37°F Wind N 4 MPH Gusts 9 Barometer 29.99 in.761.7 mm

Solar Rad 0 w/m2

Report from a MADIS/MESONET station 1.2 miles SSE of central South Sioux City
at 8:45 PM Sat, Oct 18, 2025

Point Forecast at a Glance

SatOct 18

36°

SunOct 19

64°

47°

MonOct 20

64°

43°

TueOct 21

55°

32°

WedOct 22

62°

36°

ThuOct 23

66°

41°

FriOct 24

65°

42°

7-Day Temperature Trend

Week Ahead Summary

Variable high temperatures through the week, ranging from 55°F to 69°F. Dry weather expected throughout the week.

Climate Context

Temperatures are expected to be near normal for this time of year, with highs around 64°F and lows around 38°F.

This Date in Weather History

1930 - A big early season lake effect snowburst on the lee shores of Lake Erie and Lake Ontario produced 47 inches at Governeur NY and 48 inches just south of Buffalo.

South Sioux City 7 Day Weather Forecast Details

Saturday Oct 18

Night: Mostly clear. Low around 36, with temperatures rising to around 39 overnight. Northwest wind around 10 mph, with gusts as high as 25 mph.

Sunday Oct 19

Day: Areas of frost between 8am and 9am. Sunny, with a high near 64. West wind 5 to 10 mph.

Night: Mostly clear, with a low around 47. South wind 5 to 15 mph, with gusts as high as 25 mph.

Monday Oct 20

Day: Partly sunny, with a high near 64. Southwest wind 10 to 20 mph, with gusts as high as 30 mph.

Night: Mostly clear, with a low around 43. West northwest wind around 15 mph, with gusts as high as 30 mph.

Tuesday Oct 21

Day: Sunny, with a high near 55. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.

Night: Widespread frost after 3am. Mostly clear, with a low around 32.

Wednesday Oct 22

Day: Widespread frost before 9am. Sunny, with a high near 62.

Night: Areas of frost after 5am. Mostly clear, with a low around 36.

Thursday Oct 23

Day: Areas of frost before 8am. Mostly sunny, with a high near 66.

Night: Partly cloudy, with a low around 41.

Friday Oct 24

Day: Mostly sunny, with a high near 65.

Night: Mostly clear, with a low around 42.

Saturday Oct 25

Day: Mostly sunny, with a high near 69.

Sun & Moon Monthly

First Light 7:14 AM

Sunrise 7:43 AM

Sunset 6:40 PM

Last Light 7:08 PM

Moonrise 4:50 AM

Moonset 5:24 PM

Moon Phase

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