Skip to forecast
Search a place

Observed 10:55 AM CDT at KSUX

South Sioux City, NE weather

Sunny and 72°22°, 12°7° warmer than a typical Oct 24, rain ~11 PM (41%).

Today: low 47°8° (likely 47°8° to 54°12°), high 70°21° (likely 67°19° to 71°22°).

Mostly agree

Now 72°22°

Sunny

Wind
13 mph20 km/h
From the west. 58–15 mph24 km/h through 11 PM
Dew point
48°9°
Comfortable
UV index
2Low
Moderate 2–3 PM · peak 3
Air quality
58Moderate
Main pollutant: PM2.5 (fine particles)
Pressure
30.17 inHg1022 hPa
Rising · +0.05 inHg+1.6 hPa in 3 h

Next 2 hours

No precipitation expected in the next 2 hours.

Next 48 hours

Good hours for
  • Dry until 10 PM
  • Below 60°16° tonight after 6 PM
  • Rain tonight 10 PM–1 AM (40%)
  • Low 48°9° tomorrow at 8 AM
  • Rain tomorrow night from 1 AM (70%, 0.84 in21 mm)
  1. This afternoonDown to 61°16° by 4 PM · rain chance 20% · Mostly cloudy
  2. TonightDown to 49°9° by 5 AM · Rain 10 PM–1 AM (40%)
  3. Tomorrow morningUp to 57°14° by 11 AM · rain chance 20% · Cloudy
  4. Tomorrow afternoonUp to 65°18° by 5 PM · Mostly cloudy
  5. Tomorrow nightDown to 46°8° by 5 AM · Rain 1–6 AM (60%)
  6. Monday morningUp to 51°11° by 10 AM · Rain all morning (70%)
Hourly forecast, next 48 hours, in the place's local time
HourConditionsTemperatureFeels likePrecipitationWindHumidityCloud coverUV index
Sat 11aCloudy68°20° (likely 66°19° to 71°22°)68°20°20%10 mph16 km/h from WSW, gusts 17 mph27 km/h55%95%2
Sat 12pCloudy68°20° (likely 64°18° to 70°21°)68°20°20%10 mph16 km/h from W, gusts 20 mph32 km/h58%89%2
Sat 1pPartly sunny66°19° (likely 63°17° to 67°19°)66°19°10%, 0.01 in0.3 mm10 mph16 km/h from NW, gusts 22 mph36 km/h57%72%2
Sat 2pShowers65°18° (likely 62°17° to 65°18°)65°18°20%, 0.01 in0.3 mm15 mph24 km/h from NW, gusts 21 mph33 km/h57%61%3
Sat 3pShowers63°17° (likely 61°16° to 64°18°)63°17°20%, 0.01 in0.3 mm15 mph24 km/h from NW, gusts 21 mph33 km/h57%63%2
Sat 4pCloudy61°16° (likely 59°15° to 63°17°)61°16°20%, 0.01 in0.3 mm15 mph24 km/h from NNW, gusts 22 mph35 km/h57%93%1
Sat 5pCloudy61°16° (likely 57°14° to 61°16°)61°16°20%, 0.01 in0.3 mm15 mph24 km/h from NNW, gusts 21 mph33 km/h59%93%1
Sat 6pCloudy59°15° (likely 55°13° to 59°15°)59°15°20%, 0.01 in0.3 mm10 mph16 km/h from NNW, gusts 19 mph30 km/h60%97%0
Sat 7pCloudy57°14° (likely 53°12° to 58°14°)57°14°20%, 0.01 in0.3 mm10 mph16 km/h from NNW, gusts 17 mph27 km/h66%96%0
Sat 8pCloudy56°13° (likely 52°11° to 57°14°)56°13°30%, 0.01 in0.3 mm10 mph16 km/h from N, gusts 17 mph27 km/h69%99%0
Sat 9pCloudy55°13° (likely 52°11° to 56°13°)55°13°30%, 0.01 in0.3 mm10 mph16 km/h from N, gusts 17 mph28 km/h71%98%0
Sat 10pCloudy54°12° (likely 51°11° to 55°13°)54°12°30%, 0.01 in0.3 mm10 mph16 km/h from N, gusts 17 mph27 km/h74%80%0
Sat 11pCloudy54°12° (likely 51°11° to 54°12°)54°12°40%, 0.01 in0.3 mm5 mph8 km/h from N, gusts 16 mph26 km/h74%88%0
Sun 12aCloudy53°12° (likely 50°10° to 54°12°)53°12°40%, 0.01 in0.3 mm5 mph8 km/h from N, gusts 15 mph24 km/h77%84%0
Sun 1aCloudy52°11° (likely 50°10° to 54°12°)52°11°30%5 mph8 km/h from NNE, gusts 14 mph22 km/h80%83%0
Sun 2aCloudy52°11° (likely 50°10° to 53°12°)52°11°30%5 mph8 km/h from NNE, gusts 12 mph19 km/h80%81%0
Sun 3aCloudy51°11° (likely 49°9° to 52°11°)51°11°40%5 mph8 km/h from NNE, gusts 11 mph17 km/h83%78%0
Sun 4aCloudy51°11° (likely 49°9° to 52°11°)51°11°30%5 mph8 km/h from NNE, gusts 12 mph20 km/h80%84%0
Sun 5aCloudy49°9° (likely 49°9° to 52°11°)47°8°10%5 mph8 km/h from NNE, gusts 13 mph21 km/h86%94%0
Sun 6aCloudy49°9° (likely 49°9° to 51°11°)47°8°20%5 mph8 km/h from NNE, gusts 13 mph20 km/h86%96%0
Sun 7aCloudy49°9° (likely 49°9° to 51°11°)47°8°10%5 mph8 km/h from NNE, gusts 13 mph21 km/h83%95%0
Sun 8aCloudy48°9° (likely 48°9° to 51°11°)46°8°5%5 mph8 km/h from NE, gusts 12 mph19 km/h86%89%0
Sun 9aCloudy50°10° (likely 49°9° to 52°11°)48°9°5%5 mph8 km/h from NE, gusts 14 mph23 km/h80%85%0
Sun 10aCloudy54°12° (likely 50°10° to 55°13°)54°12°0%5 mph8 km/h from ENE, gusts 15 mph25 km/h71%85%1
Sun 11aPartly sunny57°14° (likely 53°12° to 58°14°)57°14°0%5 mph8 km/h from ENE, gusts 14 mph23 km/h67%72%2
Sun 12pPartly sunny59°15° (likely 55°13° to 61°16°)59°15°0%5 mph8 km/h from ENE, gusts 13 mph21 km/h62%75%3
Sun 1pCloudy61°16° (likely 56°13° to 64°18°)61°16°0%5 mph8 km/h from ENE, gusts 11 mph17 km/h56%77%4
Sun 2pPartly sunny63°17° (likely 59°15° to 66°19°)63°17°0%5 mph8 km/h from NE, gusts 12 mph19 km/h54%72%4
Sun 3pPartly sunny64°18° (likely 60°16° to 67°19°)64°18°0%5 mph8 km/h from ENE, gusts 13 mph21 km/h52%68%4
Sun 4pPartly sunny64°18° (likely 60°16° to 68°20°)64°18°0%10 mph16 km/h from NE, gusts 14 mph22 km/h50%58%3
Sun 5pMostly cloudy65°18° (likely 59°15° to 67°19°)65°18°0%10 mph16 km/h from NE, gusts 15 mph24 km/h48%63%2
Sun 6pClear64°18° (likely 57°14° to 65°18°)64°18°5%10 mph16 km/h from NE, gusts 16 mph25 km/h46%40%1
Sun 7pCloudy60°16° (likely 54°12° to 62°17°)60°16°20%10 mph16 km/h from NE, gusts 19 mph31 km/h51%82%0
Sun 8pCloudy58°14° (likely 52°11° to 60°16°)58°14°20%10 mph16 km/h from NE, gusts 21 mph34 km/h55%81%0
Sun 9pCloudy55°13° (likely 52°11° to 58°14°)55°13°20%10 mph16 km/h from NE, gusts 22 mph35 km/h61%87%0
Sun 10pCloudy53°12° (likely 50°10° to 56°13°)53°12°20%10 mph16 km/h from NE, gusts 22 mph35 km/h64%100%0
Sun 11pCloudy52°11° (likely 49°9° to 54°12°)52°11°20%10 mph16 km/h from NE, gusts 23 mph37 km/h66%100%0
Mon 12aCloudy51°11° (likely 47°8° to 53°12°)51°11°20%10 mph16 km/h from ENE, gusts 23 mph36 km/h68%100%0
Mon 1aShowers50°10° (likely 47°8° to 52°11°)47°8°60%, 0.12 in3 mm10 mph16 km/h from ENE, gusts 22 mph35 km/h71%100%0
Mon 2aRain49°9° (likely 46°8° to 52°11°)46°8°60%, 0.12 in3 mm10 mph16 km/h from ENE, gusts 23 mph37 km/h74%98%0
Mon 3aDrizzle48°9° (likely 46°8° to 51°11°)44°7°60%, 0.12 in3 mm10 mph16 km/h from ENE, gusts 22 mph35 km/h80%100%0
Mon 4aDrizzle47°8° (likely 45°7° to 51°11°)43°6°60%, 0.12 in3 mm10 mph16 km/h from ENE, gusts 23 mph37 km/h83%100%0
Mon 5aDrizzle46°8° (likely 46°8° to 50°10°)41°5°60%, 0.12 in3 mm10 mph16 km/h from ENE, gusts 23 mph37 km/h86%100%0
Mon 6aCloudy45°7° (likely 45°7° to 49°9°)40°4°60%, 0.12 in3 mm10 mph16 km/h from ENE, gusts 24 mph38 km/h89%100%0
Mon 7aShowers45°7° (likely 45°7° to 50°10°)40°4°70%, 0.03 in0.8 mm10 mph16 km/h from ENE, gusts 22 mph36 km/h89%99%0
Mon 8aShowers47°8° (likely 47°8° to 51°11°)43°6°70%, 0.03 in0.8 mm10 mph16 km/h from ENE, gusts 20 mph32 km/h86%100%0
Mon 9aShowers49°9° (likely 48°9° to 52°11°)45°7°70%, 0.03 in0.8 mm10 mph16 km/h from E, gusts 19 mph31 km/h80%99%0
Mon 10aShowers51°11° (likely 49°9° to 53°12°)51°11°70%, 0.03 in0.8 mm10 mph16 km/h from E, gusts 19 mph30 km/h77%99%0

Days ahead

Shaded: typical range for these dates (1991–2020)
  1. Today, Oct 24. Cloudy. High 70°21°, low 47°8°. Typical 58°14° / 34°1°. Dry. Mostly agree.
    1. Afternoon

      noon–6 PM

      Showers, 68°20°

      Dry

    2. Evening

      6 PM–midnight

      Cloudy, 56°13°

      40% chance · 0.06 in1.5 mm

    3. Overnight

      midnight–6 AM

      Cloudy, 49°9°

      40% chance · 0.01 in0.3 mm

    Official NWS forecast

    Today: Isolated rain showers. Mostly cloudy. High near 70, with temperatures falling to around 61 in the afternoon. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

    Tonight: A chance of rain showers before 5am. Mostly cloudy, with a low around 47. North wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    67°19°–71°22°
    Low, likely
    47°8°–54°12°
    Typical high / low
    58°14° / 34°1°
    Wind
    17 mph27 km/h, gusts 32 mph51 km/h
    UV peak
    4
  2. Tomorrow, Oct 25. Cloudy. High 66°19°, low 44°7°. Typical 58°14° / 34°1°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 48°9°

      Dry

    2. Afternoon

      noon–6 PM

      Partly sunny, 65°18°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 58°14°

      20% chance

    4. Overnight

      midnight–6 AM

      Rain, 46°8°

      60% chance · 0.6 in15 mm

    Official NWS forecast

    Day: A slight chance of rain showers before 7am. Partly sunny, with a high near 66. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Night: Rain showers likely after 7pm. Mostly cloudy, with a low around 44. Northeast wind around 10 mph. Chance of precipitation is 60%.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    60°16°–68°20°
    Low, likely
    44°7°–51°11°
    Typical high / low
    58°14° / 34°1°
    Wind
    12 mph20 km/h, gusts 25 mph40 km/h
    UV peak
    4
  3. Monday, Oct 26. Showers. High 61°16°, low 46°8°. Typical 57°14° / 34°1°. Rain 0.25 in6.4 mm, 70% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Showers, 47°8°

      70% chance · 0.24 in6.1 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 66°19°

      40% chance · 0.02 in0.4 mm

    3. Evening

      6 PM–midnight

      Drizzle, 62°17°

      40% chance · 0.06 in1.5 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 50°10°

      40% chance · 0.02 in0.5 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: Rain showers likely. Cloudy, with a high near 61. East wind around 10 mph. Chance of precipitation is 70%.

    Night: Rain showers likely. Cloudy, with a low around 46. South southeast wind around 10 mph. Chance of precipitation is 60%.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    61°16°–71°22°
    Low, likely
    46°8°–49°9°
    Typical high / low
    57°14° / 34°1°
    Wind
    15 mph23 km/h, gusts 29 mph47 km/h
    UV peak
    3
  4. Tuesday, Oct 27. Drizzle. High 64°18°, low 48°9°. Typical 57°14° / 33°1°. Rain 0.05 in1.3 mm, 30% chance. Mostly agree.
    1. Morning

      6 AM–noon

      Cloudy, 47°9°

      Dry

    2. Afternoon

      noon–6 PM

      Cloudy, 68°20°

      Dry

    3. Evening

      6 PM–midnight

      Cloudy, 63°17°

      30% chance · 0.02 in0.4 mm

    4. Overnight

      midnight–6 AM

      Mostly clear, 56°13°

      30% chance

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain showers before 1pm. Partly sunny, with a high near 64. Chance of precipitation is 30%.

    Night: A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.

    Mostly agreeIndependent forecasts are fairly close; small surprises are possible.

    High, likely
    64°18°–69°21°
    Low, likely
    43°6°–51°11°
    Typical high / low
    57°14° / 33°1°
    Wind
    16 mph26 km/h, gusts 32 mph52 km/h
    UV peak
    2
  5. Wednesday, Oct 28. Showers. High 67°19°, low 41°5°. Typical 56°13° / 33°1°. Rain 0.08 in2 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 55°13°

      Dry

    2. Afternoon

      noon–6 PM

      Sunny, 71°21°

      Dry

    3. Evening

      6 PM–midnight

      Partly cloudy, 63°17°

      Dry

    4. Overnight

      midnight–6 AM

      Drizzle, 56°13°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain showers before 1pm. Mostly sunny, with a high near 67. Chance of precipitation is 30%.

    Night: A slight chance of rain showers between 7pm and 1am. Mostly clear, with a low around 41.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    67°19°–72°22°
    Low, likely
    41°5°–56°13°
    Typical high / low
    56°13° / 33°1°
    Wind
    14 mph23 km/h, gusts 32 mph52 km/h
    UV peak
    4
  6. Thursday, Oct 29. Partly sunny. High 66°19°, low 47°8°. Typical 56°13° / 32°0°. Dry. Forecasts differ.
    1. Morning

      6 AM–noon

      Cloudy, 55°13°

      Dry

    2. Afternoon

      noon–6 PM

      Mostly sunny, 69°21°

      Dry

    3. Evening

      6 PM–midnight

      Clear, 62°16°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 57°14°

      Dry

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A slight chance of rain showers after 1pm. Mostly sunny, with a high near 66.

    Night: A chance of rain showers. Partly cloudy, with a low around 47. Chance of precipitation is 30%.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    66°19°–73°23°
    Low, likely
    47°8°–58°14°
    Typical high / low
    56°13° / 32°0°
    Wind
    12 mph20 km/h, gusts 28 mph44 km/h
    UV peak
    3
  7. Friday, Oct 30. Showers. High 65°18°, low 46°8°. Typical 55°13° / 32°0°. Rain 0.14 in3.6 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 61°16°

      30% chance · 0.02 in0.5 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 70°21°

      30% chance · 0.03 in0.6 mm

    3. Evening

      6 PM–midnight

      Drizzle, 68°20°

      30% chance · 0.06 in1.5 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 64°18°

      40% chance · 0.03 in0.6 mm

    Hours this far out come from computer models only.

    Official NWS forecast

    Day: A chance of rain showers. Partly sunny, with a high near 65. Chance of precipitation is 40%.

    Night: A chance of rain showers. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    65°18°–75°24°
    Low, likely
    46°8°–61°16°
    Typical high / low
    55°13° / 32°0°
    Wind
    19 mph31 km/h, gusts 36 mph58 km/h
  8. Saturday, Oct 31. Drizzle. High 66°19°, low 59°15°. Typical 55°13° / 31°−1°. Rain 0.21 in5.3 mm, 60% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 63°17°

      50% chance · 0.02 in0.5 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 64°18°

      60% chance · 0.08 in2 mm

    3. Evening

      6 PM–midnight

      Drizzle, 63°17°

      50% chance · 0.08 in1.9 mm

    4. Overnight

      midnight–6 AM

      Drizzle, 59°15°

      40% chance · 0.15 in3.8 mm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    60°16°–74°23°
    Low, likely
    51°11°–67°19°
    Typical high / low
    55°13° / 31°−1°
    Wind
    21 mph33 km/h, gusts 39 mph63 km/h
  9. Sunday, Nov 1. Rain. High 63°17°, low 49°9°. Typical 54°12° / 31°−1°. Rain 0.35 in8.9 mm, 40% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Drizzle, 59°15°

      30% chance · 0.08 in1.9 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 58°14°

      30% chance · 0.06 in1.4 mm

    3. Evening

      6 PM–midnight

      Drizzle, 53°11°

      Dry

    4. Overnight

      midnight–6 AM

      Cloudy, 48°9°

      Dry

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    55°13°–71°22°
    Low, likely
    42°6°–60°16°
    Typical high / low
    54°12° / 31°−1°
    Wind
    23 mph37 km/h, gusts 39 mph63 km/h
  10. Monday, Nov 2. Rain. High 58°14°, low 49°9°. Typical 54°12° / 30°−1°. Rain 0.17 in4.3 mm, 30% chance. Forecasts differ.
    1. Morning

      6 AM–noon

      Sunny, 48°9°

      20% chance · 0.02 in0.4 mm

    2. Afternoon

      noon–6 PM

      Drizzle, 56°14°

      30% chance · 0.04 in1 mm

    3. Evening

      6 PM–midnight

      Drizzle, 53°12°

      30% chance · 0.02 in0.5 mm

    Hours this far out come from computer models only.

    The National Weather Service writes about seven days ahead; this day is our model forecast only.

    Forecasts differIndependent forecasts disagree; expect changes and plan for the range.

    High, likely
    54°12°–65°18°
    Low, likely
    42°6°–59°15°
    Typical high / low
    54°12° / 30°−1°
    Wind
    27 mph43 km/h, gusts 47 mph76 km/h
    UV peak
    3

The outlook

  1. Today

    Dry, high 70°, low 47°.

  2. Tomorrow

    Dry, high 66°, low 44°, cooling off.

  3. Monday

    66% chance of rain, high 61°, low 46°, cooling off.

  4. Rest of week

    Highs 58–67°; chance of precipitation on Saturday, Sunday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (FSD) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Missouri River at Sioux City

1.6 mi
Below flood stage
Level
10.5 ft
Flow
25,900 cfs

Forecast peak 10.5 ft Sat 1 PM

Reading from Sat 10 AM · NWS gauge page

Perry Creek at Sioux City

5.0 mi
Below flood stage
Level
6.5 ft
Flow
8 cfs

Reading from Sat 10 AM · NWS gauge page

Big Sioux River at Sioux City

5.5 mi
Below flood stage
Level
9.8 ft
Flow
742 cfs

Reading from Sat 10:30 AM · NWS gauge page

Floyd River at James

9.4 mi
Below flood stage
Level
8.6 ft
Flow
233 cfs

Reading from Sat 10 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 86% less heating than a typical week.

This week 20Typical 141

Heating degree days, base 65°F

Heat-pump hours, next 7 days

h below 47°F
5
h below 17°F
0
h below 5°F
0

47, 17 and 5°F are the test points heat pumps are rated at.

Comfort

Dry air outside (dew point 48°F).

Open the windows?

Sun, 1:00 PM–6:00 PM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Sioux City Airport · official normals 1991–2020 · records 1889–2026

Oct 24, today vs a typical year

Today’s expected high is 12°7° warmer than typical.

Normal high / low
58°14° / 34°1°
Forecast high / low
70°21° / 47°8°
Record high
82°28° in 1952
Record low
15°−9° in 2020

Last 7 days vs normal

On average 13°7° warmer than normal (daily mean temperature).

  1. +8°+4°SunOct 18
  2. +6°+3°MonOct 19
  3. +9°+5°TueOct 20
  4. +15°+8°WedOct 21
  5. +18°+10°ThuOct 22
  6. +23°+13°FriOct 23
  7. —SatOct 24

South Sioux City weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Sunrise 7:49 AM, sunset 6:29 PM.

Daylight
10 h 40 min
Losing 2 min 39 s a day; shortest Dec 21, 1 h 36 min less
Golden hour
5:50–6:47 PM
Morning 7:31–8:28 AM
Blue hour
6:47–6:58 PM
Morning 7:20–7:31 AM; first light 7:20 AM

Stars tonight? Poor

Clouds most of the night (about 90% cover).

Moon

Waxing gibbous

97% lit · growing

Today
sets 6:03 AM · rises 5:28 PM
Full moon
Oct 25
New moon
Nov 9
Looking southwest from South Sioux City.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.