National Weather Service Forecast for: 2 Miles S North Sioux City SD
Issued by: National Weather Service Sioux Falls, SD
Updated: 2:39 am CDT Aug 20, 2026
 
Overnight

Overnight: Areas of dense fog. Otherwise, mostly clear, with a low around 59. Calm wind.
Areas Dense
Fog
 Thursday

Thursday: Widespread dense fog, mainly before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 82. Light south southeast wind becoming south 5 to 10 mph in the morning.
Dense Fog
then Sunny
 Thursday
Night
Thursday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Mostly clear, with a low around 63. South southeast wind around 5 mph. Chance of precipitation is 20%.
Slight Chance
T-storms then
Mostly Clear
 Friday

Friday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 84. Calm wind becoming north around 5 mph.
Sunny then
Slight Chance
T-storms
 Friday
Night
Friday Night: Mostly clear, with a low around 61. Calm wind.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 80. Calm wind becoming north northeast around 5 mph in the afternoon.
Sunny

 Saturday
Night
Saturday Night: Partly cloudy, with a low around 58.
Partly Cloudy

 Sunday

Sunday: Partly sunny, with a high near 77.
Partly Sunny

 Sunday
Night
Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Chance
T-storms
Lo 59 °F Hi 82 °F Lo 63 °F Hi 84 °F Lo 61 °F Hi 80 °F Lo 58 °F Hi 77 °F Lo 61 °F

Hazardous Weather Outlook
Dense Fog Advisory
 

Overnight
 
 Areas of dense fog. Otherwise, mostly clear, with a low around 59. Calm wind.
Thursday
 
 Widespread dense fog, mainly before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 82. Light south southeast wind becoming south 5 to 10 mph in the morning.
Thursday Night
 
 A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Mostly clear, with a low around 63. South southeast wind around 5 mph. Chance of precipitation is 20%.
Friday
 
 A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 84. Calm wind becoming north around 5 mph.
Friday Night
 
 Mostly clear, with a low around 61. Calm wind.
Saturday
 
 Sunny, with a high near 80. Calm wind becoming north northeast around 5 mph in the afternoon.
Saturday Night
 
 Partly cloudy, with a low around 58.
Sunday
 
 Partly sunny, with a high near 77.
Sunday Night
 
 A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Monday
 
 Partly sunny, with a high near 79.
Monday Night
 
 Partly cloudy, with a low around 63.
Tuesday
 
 Partly sunny, with a high near 82.
Tuesday Night
 
 Partly cloudy, with a low around 62.
Wednesday
 
 Mostly sunny, with a high near 81.

 

Forecast from NOAA-NWS for 2 Miles S North Sioux City SD.