South Sioux City, NE 68776 Monthly Weather

Dakota County4:55 PM CDT42.47°N, 96.42°W
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October 2026

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169°/49°<0.01 inAvg 71°/44°
270°/41°Avg 70°/44°
380°/45°Avg 70°/44°
473°/44°Avg 69°/43°
581°/40°Avg 69°/43°
688°/52°Avg 68°/42°
779°/47°Avg 68°/42°
882°/42°Avg 67°/41°
986°/56°Avg 67°/41°
1093°/65°Avg 66°/40°
1191°/57°Avg 66°/40°
1287°/51°Avg 65°/40°
1363°/46°Avg 64°/39°
1458°/39°0.08 inAvg 64°/39°
1554°/48°0.41 inAvg 63°/38°
1655°/32°<0.01 inAvg 63°/38°
1763°/27°Avg 62°/37°
1873°/42°Avg 62°/37°
1970°/40°Avg 61°/37°
20Avg 61°/36°
21 Sunny 78°/49°Avg 60°/36°
22 Areas Of Fog then Mostly Sunny 80°/57°Avg 60°/35°
23 Mostly Sunny 81°/61°Avg 59°/35°
24 Slight Chance Rain Showers 78°/52°Avg 58°/34°
25 Chance Rain Showers 65°/46°Avg 58°/34°
26 Rain Showers Likely 57°/42°Avg 57°/34°
27 Chance Rain Showers 58°/43°Avg 57°/33°
28 Mostly sunny 67°/46°Avg 56°/33°
29 Sunny 50°/39°Avg 56°/32°
30 Sunny 56°/38°Avg 55°/32°
31Avg 55°/31°
Average high74° (normal 66°)
Average low45° (normal 40°)
Warmest / coldest93° / 27°
Precipitation0.50 in (normal 1.59 in to date)
Record high today88° (1947)
Record low today14° (1913)

Observed: Sioux City Area, 9 km away, records since 1889. Normals 1991–2020. Climate data from NOAA's Regional Climate Centers (ACIS); recent days are preliminary. Days ahead: the forecast.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.