SOUTH SIOUX CITY, NE 68776 Weather Forecast & Current Conditions

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SIOUX CITY, IA
Current Weather

2:52 AM CDT JUN 9, 2026
Clear
73°F
Feels Like: 73°F
Dewpoint: 70°F
Rel. Hum.: 90%
Visibility: 10 miles
Wind: ESE at 5 mph
Pressure: 29.87 inches
Last 72 hours

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SOUTH SIOUX CITY, NE 68776
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly sunny and breezy, hot with highs in the mid 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph, becoming south 15 to 25 mph with gusts up to 35 mph this afternoon. Heat index values up to 103 this afternoon.
TONIGHT
Partly cloudy with a chance of showers and thunderstorms. Breezy with lows in the lower 70s. South winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 50 percent. Heat index values up to 104 early in the evening.
WEDNESDAY
Sunny. Highs in the mid 90s. South winds 15 to 20 mph, becoming west in the afternoon.
WEDNESDAY NIGHT
Mostly clear in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Cooler. Less humid with lows in the lower 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph, becoming east 5 to 10 mph after midnight. Chance of rain 50 percent.
THURSDAY
Mostly sunny. A chance of showers with a slight chance of thunderstorms in the morning. Not as warm with highs in the lower 80s. North winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 50 percent.
THURSDAY NIGHT
Mostly clear. Lows in the mid 50s.
FRIDAY
Sunny. Highs in the upper 80s.
FRIDAY NIGHT
Mostly clear. Lows around 60.
SATURDAY
Mostly sunny. A chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 30 percent.
SATURDAY NIGHT
Partly cloudy with a chance of showers. Lows in the mid 50s. Chance of rain 30 percent.
SUNDAY
Partly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.
SUNDAY NIGHT
Partly cloudy. Lows in the lower 50s.
MONDAY
Mostly sunny. Highs in the upper 70s.

Visible Weather Satellite
SOUTH SIOUX CITY, NE 68776
Infrared Weather Satellite
SOUTH SIOUX CITY, NE 68776
NEXRAD Weather Radar
SOUTH SIOUX CITY, NE 68776

SIOUX CITY, IA 3 hourly weather forecast

weather forecast created  7:00 PM CDT  6/ 8/2026
Tuesday
9 JUN 2026
SOUTH SIOUX CITY, NE 68776 weather forecast Day 1, 0 hours 1 AM 77° 79° Mostly Cloudy 11%
RAIN
<.01 in
0% Thunder
( 23% severe)
SSW   5 69% 66°
Low 71° SOUTH SIOUX CITY, NE 68776 weather forecast Day 1, 3 hours 4 AM 73° 73° Partly Cloudy SE   6 79% 66°
High 97° SOUTH SIOUX CITY, NE 68776 weather forecast Day 1, 6 hours 7 AM 72° 72° Mostly Cloudy 7%

0% Thunder
( 16% severe)
SE   7 84% 67°

Partly Cloudy



SOUTH SIOUX CITY, NE 68776 weather forecast Day 1, 9 hours 10 AM 83° 87° Partly Cloudy SE   10 63% 69°
SOUTH SIOUX CITY, NE 68776 weather forecast Day 1, 12 hours 1 PM 91° 96° Partly Cloudy 6%

0% Thunder
( 12% severe)
SSE   17 49% 69°
SOUTH SIOUX CITY, NE 68776 weather forecast Day 1, 15 hours 4 PM 94° 101° Partly Cloudy SSE   21 47% 71°
SOUTH SIOUX CITY, NE 68776 weather forecast Day 1, 18 hours 7 PM 97° 102° Partly Cloudy 20%
RAIN
<.01 in
0% Thunder
( 36% severe)
SSE   21 39% 68°
SOUTH SIOUX CITY, NE 68776 weather forecast Day 1, 21 hours 10 PM 87° 90° Partly Cloudy SSE   20 53% 68°
Wednesday
10 JUN 2026
SOUTH SIOUX CITY, NE 68776 weather forecast Day 2, 0 hours 1 AM 84° 86° Mostly Cloudy 31%
RAIN
.25–.5 in
0% Thunder
( 29% severe)
S   18 53% 65°
Low 75° SOUTH SIOUX CITY, NE 68776 weather forecast Day 2, 3 hours 4 AM 80° 82° Partly Cloudy SSE   16 58% 64°
High 95° SOUTH SIOUX CITY, NE 68776 weather forecast Day 2, 6 hours 7 AM 77° 79° Mostly Cloudy 17%
RAIN
<.01 in
0% Thunder
( 16% severe)
S   15 64% 64°

Decreasing Clouds



SOUTH SIOUX CITY, NE 68776 weather forecast Day 2, 9 hours 10 AM 85° 87° Clear SSW   16 51% 65°
SOUTH SIOUX CITY, NE 68776 weather forecast Day 2, 12 hours 1 PM 91° 90° Clear 3%

0% Thunder
( 13% severe)
WSW   16 32% 57°
SOUTH SIOUX CITY, NE 68776 weather forecast Day 2, 15 hours 4 PM 94° 91° Clear W   16 24% 52°
SOUTH SIOUX CITY, NE 68776 weather forecast Day 2, 18 hours 7 PM 92° 89° Clear 2%

0% Thunder
( 5% severe)
WNW   14 23% 49°
SOUTH SIOUX CITY, NE 68776 weather forecast Day 2, 21 hours 10 PM 78° 78° Clear N   6 35% 48°

SIOUX CITY, IA extended weather forecast

Thursday
11 JUN 2026
Friday
12 JUN 2026
Saturday
13 JUN 2026
Sunday
14 JUN 2026
Monday
15 JUN 2026
Low 63° Low 53° Low 60° Low 57° Low 51°
High 80° High 85° High 78° High 73° High 72°
SOUTH SIOUX CITY, NE 68776 weather forecast Day 3 SOUTH SIOUX CITY, NE 68776 weather forecast Day 4 SOUTH SIOUX CITY, NE 68776 weather forecast Day 5 SOUTH SIOUX CITY, NE 68776 weather forecast Day 6 SOUTH SIOUX CITY, NE 68776 weather forecast Day 7
Mostly Cloudy
39% Rain
Partly Cloudy
9% Rain
Mostly Cloudy
55% Rain
Overcast
53% Rain
Overcast
33% Rain
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