South Sioux City, NE Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for South Sioux City, NE in one place.
A chance of rain showers. Mostly cloudy, with a low around 48. Northeast wind around 5 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for South Sioux City, NE is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 15, 2026 3:03 AM CDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for South Sioux City, NE.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 3:03 AM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in South Sioux City
Thursday looks like the warmest upcoming period in South Sioux City at 86 degrees F.
Saturday Night is the coolest period ahead with temperatures near 27 degrees F.
The strongest winds are forecast for Friday Night at about 20 to 30 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 3:03 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- FSD
- Radar station
- KFSD
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 74. Northeast wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy. Low around 44, with temperatures rising to around 47 overnight. North wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 86. South wind 5 to 15 mph, with gusts as high as 25 mph.
Partly cloudy. Low around 54, with temperatures rising to around 58 overnight. South wind around 15 mph, with gusts as high as 25 mph.
A chance of rain showers between 7am and 4pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 74. Southwest wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
A chance of snow showers before 1pm. Partly sunny, with a high near 49. Chance of precipitation is 40%.
Partly cloudy, with a low around 27.
Sunny, with a high near 62.
Mostly clear, with a low around 36.
Sunny, with a high near 70.
Mostly clear, with a low around 46.
Sunny, with a high near 77.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Apr 15
|
Chance Rain Showers
|
48°F |
5 mph
NE
|
|
Wednesday
Apr 15
|
Chance Rain Showers
|
74°F |
5 to 10 mph
NE
|
|
Wednesday Night
Apr 15
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
44°F |
5 mph
N
|
|
Thursday
Apr 16
|
Sunny
|
86°F |
5 to 15 mph
S
|
|
Thursday Night
Apr 16
|
Partly Cloudy
|
54°F |
15 mph
S
|
|
Friday
Apr 17
|
Chance Rain Showers
|
74°F |
15 to 25 mph
SW
|
|
Friday Night
Apr 17
|
Chance Showers And Thunderstorms then Chance Rain And Snow Showers
|
31°F |
20 to 30 mph
NW
|
|
Saturday
Apr 18
|
Chance Snow Showers
|
49°F |
20 to 25 mph
NW
|
|
Saturday Night
Apr 18
|
Partly Cloudy
|
27°F |
5 to 20 mph
NW
|
|
Sunday
Apr 19
|
Sunny
|
62°F |
5 to 10 mph
WNW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
36°F |
10 mph
ESE
|
|
Monday
Apr 20
|
Sunny
|
70°F |
10 to 20 mph
SE
|
|
Monday Night
Apr 20
|
Mostly Clear
|
46°F |
15 to 20 mph
SSE
|
|
Tuesday
Apr 21
|
Sunny
|
77°F |
15 to 20 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Sioux City.
