Missouri River at Sioux City
24 mi- Level
- 10.5 ft
- Flow
- 25,900 cfs
Forecast peak 10.5 ft Sat 1 PM
Reading from Sat 7 AM · NWS gauge page
Observed 7:50 AM CDT at KSUX
Hornick, IA weather
Sunny and 59°15°.
Today: low 49°9° (likely 49°9° to 56°13°), high 73°23° (likely 70°21° to 73°23°).
Now 59°15°
Sunny
- Wind
- 3 mph5 km/h
- From the east. Gusts to 22 mph35 km/h around 2 PM
- Dew point
- 48°9°
- Comfortable
- UV index
- 0Low
- Moderate 12–3 PM · peak 3
- Air quality
- 56Moderate
- Main pollutant: PM2.5 (fine particles)
- Pressure
- 30.12 inHg1020 hPa
- Rising · +0.05 inHg+1.6 hPa in 3 h
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
5°3° cooler than this time yesterday (63°17° then, 58°14° now)
Good hours for
This morningUp to 68°20° by 11 AM · Partly cloudy
This afternoonDown to 64°18° by 5 PM · Mostly cloudy
TonightDown to 51°11° by 5 AM · rain chance 20% · Mostly cloudy
Tomorrow morningUp to 60°16° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 69°21° by 5 PM · Mostly cloudy
Tomorrow nightDown to 48°9° by 5 AM · Rain 1–6 AM (50%)
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 8a | Sunny | 60°16° (likely 59°15° to 63°17°) | 60°16° | 0% | 10 mph16 km/h from S, gusts 14 mph23 km/h | 65% | 8% | 0 |
| Sat 9a | Mostly sunny | 62°17° (likely 61°16° to 65°18°) | 62°17° | 5% | 12 mph19 km/h from S, gusts 20 mph32 km/h | 62% | 27% | 0 |
| Sat 10a | Partly sunny | 65°18° (likely 65°18° to 67°19°) | 65°18° | 10% | 12 mph19 km/h from S, gusts 21 mph33 km/h | 55% | 79% | 1 |
| Sat 11a | Mostly cloudy | 68°20° (likely 67°19° to 70°21°) | 68°20° | 10% | 12 mph19 km/h from SSW, gusts 20 mph31 km/h | 52% | 77% | 2 |
| Sat 12p | Cloudy | 71°22° (likely 69°21° to 72°22°) | 71°22° | 5% | 12 mph19 km/h from WSW, gusts 17 mph27 km/h | 49% | 90% | 3 |
| Sat 1p | Cloudy | 70°21° (likely 68°20° to 73°23°) | 70°21° | 5% | 10 mph16 km/h from W, gusts 18 mph29 km/h | 52% | 89% | 3 |
| Sat 2p | Cloudy | 70°21° (likely 66°19° to 70°21°) | 70°21° | 5% | 10 mph16 km/h from NW, gusts 22 mph35 km/h | 53% | 89% | 3 |
| Sat 3p | Cloudy | 67°19° (likely 64°18° to 68°20°) | 67°19° | 5% | 12 mph19 km/h from NW, gusts 21 mph34 km/h | 55% | 73% | 2 |
| Sat 4p | Cloudy | 66°19° (likely 62°17° to 68°20°) | 66°19° | 5% | 13 mph21 km/h from NNW, gusts 20 mph32 km/h | 55% | 76% | 1 |
| Sat 5p | Cloudy | 64°18° (likely 60°16° to 66°19°) | 64°18° | 5% | 13 mph21 km/h from NNW, gusts 19 mph30 km/h | 57% | 76% | 1 |
| Sat 6p | Cloudy | 62°17° (likely 57°14° to 63°17°) | 62°17° | 10% | 12 mph19 km/h from NNW, gusts 18 mph29 km/h | 59% | 72% | 0 |
| Sat 7p | Cloudy | 60°16° (likely 54°12° to 61°16°) | 60°16° | 10%, 0.02 in0.5 mm | 10 mph16 km/h from NNW, gusts 18 mph29 km/h | 64% | 79% | 0 |
| Sat 8p | Cloudy | 58°14° (likely 53°12° to 60°16°) | 58°14° | 10%, 0.02 in0.5 mm | 9 mph14 km/h from NNW, gusts 19 mph31 km/h | 66% | 80% | 0 |
| Sat 9p | Cloudy | 57°14° (likely 53°12° to 58°14°) | 57°14° | 10%, 0.02 in0.5 mm | 8 mph13 km/h from N, gusts 18 mph29 km/h | 69% | 84% | 0 |
| Sat 10p | Cloudy | 56°13° (likely 53°12° to 57°14°) | 56°13° | 10%, 0.02 in0.5 mm | 7 mph11 km/h from N, gusts 16 mph25 km/h | 69% | 82% | 0 |
| Sat 11p | Cloudy | 56°13° (likely 53°12° to 56°13°) | 56°13° | 10%, 0.02 in0.5 mm | 7 mph11 km/h from N, gusts 15 mph25 km/h | 69% | 79% | 0 |
| Sun 12a | Cloudy | 54°12° (likely 52°11° to 55°13°) | 54°12° | 20%, 0.02 in0.5 mm | 6 mph10 km/h from N, gusts 15 mph24 km/h | 77% | 76% | 0 |
| Sun 1a | Partly cloudy | 53°12° (likely 51°11° to 54°12°) | 53°12° | 20% | 6 mph10 km/h from N, gusts 14 mph23 km/h | 80% | 53% | 0 |
| Sun 2a | Showers | 52°11° (likely 51°11° to 53°12°) | 52°11° | 20% | 5 mph8 km/h from NNE, gusts 13 mph21 km/h | 83% | 46% | 0 |
| Sun 3a | Showers | 52°11° (likely 50°10° to 53°12°) | 52°11° | 20% | 5 mph8 km/h from N, gusts 13 mph21 km/h | 83% | 67% | 0 |
| Sun 4a | Cloudy | 52°11° (likely 50°10° to 52°11°) | 52°11° | 10% | 6 mph10 km/h from NNE, gusts 14 mph22 km/h | 80% | 74% | 0 |
| Sun 5a | Cloudy | 51°11° (likely 49°9° to 52°11°) | 51°11° | 5% | 6 mph10 km/h from NNE, gusts 14 mph23 km/h | 83% | 80% | 0 |
| Sun 6a | Cloudy | 51°11° (likely 49°9° to 52°11°) | 51°11° | 5% | 6 mph10 km/h from NNE, gusts 14 mph22 km/h | 83% | 87% | 0 |
| Sun 7a | Cloudy | 50°10° (likely 49°9° to 52°11°) | 48°9° | 10% | 5 mph8 km/h from NNE, gusts 14 mph22 km/h | 83% | 87% | 0 |
| Sun 8a | Cloudy | 49°9° (likely 49°9° to 53°12°) | 47°8° | 5% | 5 mph8 km/h from NNE, gusts 14 mph22 km/h | 86% | 76% | 0 |
| Sun 9a | Cloudy | 51°11° (likely 50°10° to 54°12°) | 51°11° | 5% | 6 mph10 km/h from NE, gusts 15 mph25 km/h | 83% | 70% | 0 |
| Sun 10a | Cloudy | 57°14° (likely 52°11° to 57°14°) | 57°14° | 0% | 6 mph10 km/h from NE, gusts 16 mph26 km/h | 72% | 68% | 1 |
| Sun 11a | Cloudy | 60°16° (likely 55°13° to 61°16°) | 60°16° | 0% | 6 mph10 km/h from ENE, gusts 14 mph22 km/h | 64% | 66% | 2 |
| Sun 12p | Cloudy | 63°17° (likely 55°13° to 65°18°) | 63°17° | 0% | 6 mph10 km/h from ENE, gusts 12 mph19 km/h | 60% | 70% | 3 |
| Sun 1p | Cloudy | 64°18° (likely 57°14° to 68°20°) | 64°18° | 0% | 6 mph10 km/h from ENE, gusts 12 mph19 km/h | 56% | 71% | 4 |
| Sun 2p | Cloudy | 67°19° (likely 58°14° to 70°21°) | 67°19° | 0% | 6 mph10 km/h from ENE, gusts 13 mph21 km/h | 52% | 68% | 4 |
| Sun 3p | Partly sunny | 68°20° (likely 58°14° to 72°22°) | 68°20° | 0% | 6 mph10 km/h from ENE, gusts 14 mph23 km/h | 49% | 55% | 4 |
| Sun 4p | Mostly cloudy | 68°20° (likely 58°14° to 72°22°) | 68°20° | 0% | 7 mph11 km/h from ENE, gusts 15 mph25 km/h | 49% | 60% | 3 |
| Sun 5p | Cloudy | 69°21° (likely 57°14° to 71°22°) | 69°21° | 0% | 7 mph11 km/h from NE, gusts 16 mph25 km/h | 45% | 69% | 2 |
| Sun 6p | Cloudy | 67°19° (likely 54°12° to 68°20°) | 67°19° | 0% | 8 mph13 km/h from NE, gusts 16 mph25 km/h | 47% | 66% | 1 |
| Sun 7p | Cloudy | 63°17° (likely 52°11° to 65°18°) | 63°17° | 10% | 8 mph13 km/h from NE, gusts 17 mph27 km/h | 52% | 70% | 0 |
| Sun 8p | Cloudy | 61°16° (likely 50°10° to 62°17°) | 61°16° | 10% | 9 mph14 km/h from NE, gusts 18 mph29 km/h | 56% | 74% | 0 |
| Sun 9p | Cloudy | 58°14° (likely 49°9° to 61°16°) | 58°14° | 10% | 9 mph14 km/h from NE, gusts 21 mph33 km/h | 60% | 89% | 0 |
| Sun 10p | Cloudy | 55°13° (likely 48°9° to 60°16°) | 55°13° | 10% | 9 mph14 km/h from NE, gusts 24 mph39 km/h | 64% | 86% | 0 |
| Sun 11p | Cloudy | 53°12° (likely 48°9° to 58°14°) | 53°12° | 10% | 9 mph14 km/h from NE, gusts 24 mph38 km/h | 66% | 93% | 0 |
| Mon 12a | Cloudy | 53°12° (likely 49°9° to 57°14°) | 53°12° | 10% | 8 mph13 km/h from NE, gusts 23 mph38 km/h | 66% | 95% | 0 |
| Mon 1a | Cloudy | 52°11° (likely 49°9° to 57°14°) | 52°11° | 50%, 0.06 in1.5 mm | 8 mph13 km/h from NE, gusts 21 mph35 km/h | 69% | 96% | 0 |
| Mon 2a | Cloudy | 51°11° (likely 50°10° to 60°16°) | 51°11° | 50%, 0.06 in1.5 mm | 8 mph13 km/h from NE, gusts 20 mph33 km/h | 71% | 94% | 0 |
| Mon 3a | Showers | 50°10° (likely 49°9° to 59°15°) | 46°8° | 50%, 0.06 in1.5 mm | 9 mph14 km/h from ENE, gusts 20 mph33 km/h | 77% | 91% | 0 |
| Mon 4a | Cloudy | 49°9° (likely 49°9° to 58°14°) | 45°7° | 50%, 0.06 in1.5 mm | 9 mph14 km/h from ENE, gusts 20 mph32 km/h | 80% | 93% | 0 |
| Mon 5a | Showers | 48°9° (likely 48°9° to 58°14°) | 44°7° | 50%, 0.06 in1.5 mm | 9 mph14 km/h from ENE, gusts 17 mph27 km/h | 83% | 95% | 0 |
| Mon 6a | Showers | 47°8° (likely 47°8° to 57°14°) | 43°6° | 50%, 0.06 in1.5 mm | 9 mph14 km/h from ENE, gusts 16 mph26 km/h | 86% | 85% | 0 |
| Mon 7a | Cloudy | 47°8° (likely 47°8° to 56°13°) | 43°6° | 50%, 0.03 in0.8 mm | 9 mph14 km/h from ENE, gusts 17 mph27 km/h | 86% | 97% | 0 |
Days ahead
Tap a day for its hours and the official wording.
Today, Oct 24. Cloudy. High 73°23°, low 49°9°. Dry. Mostly agree.
Morning
6 AM–noon
Partly sunny, 60°16°Dry
Afternoon
noon–6 PM
Cloudy, 71°22°Dry
Evening
6 PM–midnight
Cloudy, 58°14°Dry
Overnight
midnight–6 AM
Showers, 51°11°Dry
Official NWS forecast
Today: Partly sunny. High near 73, with temperatures falling to around 64 in the afternoon. West southwest wind around 13 mph, with gusts as high as 24 mph.
Tonight: A slight chance of rain showers between midnight and 4am. Mostly cloudy. Low around 49, with temperatures rising to around 51 overnight. North wind 5 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 70°21°–73°23°
- Low, likely
- 49°9°–56°13°
- Wind
- 16 mph26 km/h, gusts 28 mph46 km/h
- UV peak
- 4
Tomorrow, Oct 25. Cloudy. High 69°21°, low 46°8°. Dry. Forecasts differ.
Morning
6 AM–noon
Cloudy, 49°9°Dry
Afternoon
noon–6 PM
Partly sunny, 69°21°Dry
Evening
6 PM–midnight
Cloudy, 61°16°Dry
Overnight
midnight–6 AM
Showers, 48°9°50% chance · 0.3 in7.6 mm
Official NWS forecast
Day: Partly sunny, with a high near 69. Northeast wind around 7 mph.
Night: A chance of rain showers after 1am. Mostly cloudy, with a low around 46. Northeast wind around 9 mph, with gusts as high as 16 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 58°14°–72°22°
- Low, likely
- 46°8°–51°11°
- Wind
- 14 mph22 km/h, gusts 28 mph44 km/h
- UV peak
- 4
Monday, Oct 26. Showers. High 64°18°, low 48°9°. Rain 0.07 in1.8 mm, 60% chance. Forecasts differ.
Morning
6 AM–noon
Showers, 52°11°50% chance · 0.09 in2.3 mm
Afternoon
noon–6 PM
Drizzle, 69°21°20% chance · 0.01 in0.3 mm
Evening
6 PM–midnight
Drizzle, 62°17°40% chance · 0.03 in0.7 mm
Overnight
midnight–6 AM
Drizzle, 58°14°30% 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 64. East wind around 9 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Night: Rain showers likely. Mostly cloudy, with a low around 48. South southeast wind around 9 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 63°17°–74°23°
- Low, likely
- 48°9°–54°12°
- Wind
- 15 mph25 km/h, gusts 27 mph43 km/h
- UV peak
- 3
Tuesday, Oct 27. Showers. High 64°18°, low 49°9°. Rain 0.05 in1.3 mm, 30% chance. Mostly agree.
Morning
6 AM–noon
Cloudy, 51°10°Dry
Afternoon
noon–6 PM
Cloudy, 65°18°Dry
Evening
6 PM–midnight
Cloudy, 63°17°40% chance · 0.02 in0.5 mm
Overnight
midnight–6 AM
Mostly clear, 59°15°40% chance · 0.02 in0.6 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Mostly cloudy, with a high near 64. South southwest wind around 7 mph.
Night: A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 49. South southeast wind around 7 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 64°18°–67°19°
- Low, likely
- 48°9°–53°12°
- Wind
- 17 mph28 km/h, gusts 34 mph54 km/h
- UV peak
- 2
Wednesday, Oct 28. Showers. High 67°19°, low 42°6°. Rain 0.07 in1.8 mm, 30% chance. Mostly agree.
Morning
6 AM–noon
Sunny, 57°14°20% chance
Afternoon
noon–6 PM
Cloudy, 70°21°Dry
Evening
6 PM–midnight
Partly cloudy, 63°17°Dry
Overnight
midnight–6 AM
Drizzle, 53°12°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. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Night: A slight chance of rain showers between 7pm and 1am. Mostly clear, with a low around 42. North northwest wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 67°19°–72°22°
- Low, likely
- 42°6°–59°15°
- Wind
- 15 mph23 km/h, gusts 34 mph55 km/h
- UV peak
- 3
Thursday, Oct 29. Partly sunny. High 66°19°, low 48°9°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 53°11°Dry
Afternoon
noon–6 PM
Mostly sunny, 68°20°Dry
Evening
6 PM–midnight
Clear, 61°16°Dry
Overnight
midnight–6 AM
Cloudy, 59°15°20% chance · 0.03 in0.6 mm
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. East southeast wind 3 to 8 mph.
Night: A chance of rain showers. Partly cloudy, with a low around 48. Southeast wind around 7 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 66°19°–73°23°
- Low, likely
- 44°7°–58°14°
- Wind
- 13 mph20 km/h, gusts 29 mph47 km/h
- UV peak
- 1
Friday, Oct 30. Showers. High 65°18°, low 46°8°. Rain 0.16 in4.1 mm, 40% chance. Forecasts differ.
Morning
6 AM–noon
Drizzle, 61°16°30% chance · 0.05 in1.3 mm
Afternoon
noon–6 PM
Drizzle, 71°22°20% chance · 0.03 in0.9 mm
Evening
6 PM–midnight
Drizzle, 68°20°40% chance · 0.05 in1.4 mm
Overnight
midnight–6 AM
Drizzle, 62°17°40% chance · 0.04 in1 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. South southeast wind around 10 mph, with gusts as high as 20 mph.
Night: A chance of rain showers. Mostly cloudy, with a low around 46. South southeast wind around 9 mph, with gusts as high as 16 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 65°18°–76°24°
- Low, likely
- 46°8°–63°17°
- Wind
- 18 mph29 km/h, gusts 35 mph57 km/h
Saturday, Oct 31. Drizzle. High 67°19°, low 60°16°. Rain 0.25 in6.4 mm, 60% chance. Forecasts differ.
Morning
6 AM–noon
Drizzle, 63°17°50% chance · 0.01 in0.3 mm
Afternoon
noon–6 PM
Drizzle, 67°19°50% chance · 0.09 in2.3 mm
Evening
6 PM–midnight
Drizzle, 64°18°50% chance · 0.05 in1.3 mm
Overnight
midnight–6 AM
Drizzle, 61°16°40% chance · 0.06 in1.5 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
- 60°16°–75°24°
- Low, likely
- 56°13°–67°19°
- Wind
- 20 mph32 km/h, gusts 37 mph59 km/h
Sunday, Nov 1. Drizzle. High 64°18°, low 51°11°. Rain 0.25 in6.4 mm, 40% chance. Forecasts differ.
Morning
6 AM–noon
Drizzle, 60°15°30% chance · 0.07 in1.8 mm
Afternoon
noon–6 PM
Drizzle, 59°15°30% chance · 0.06 in1.4 mm
Evening
6 PM–midnight
Cloudy, 55°13°20% chance · 0.09 in2.4 mm
Overnight
midnight–6 AM
Cloudy, 50°10°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
- 59°15°–73°23°
- Low, likely
- 45°7°–61°16°
- Wind
- 20 mph33 km/h, gusts 36 mph58 km/h
Monday, Nov 2. Showers. High 61°16°, low 51°11°. Rain 0.25 in6.4 mm, 30% chance. Forecasts differ.
Morning
6 AM–noon
Sunny, 51°10°20% chance
Afternoon
noon–6 PM
Drizzle, 58°15°20% chance · 0.05 in1.2 mm
Evening
6 PM–midnight
Drizzle, 54°12°30% chance · 0.01 in0.3 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
- 56°13°–71°22°
- Low, likely
- 44°7°–61°16°
- Wind
- 27 mph43 km/h, gusts 47 mph76 km/h
- UV peak
- 3
The outlook
Today
Dry, high 73°, low 49°.
Tomorrow
Dry, high 69°, low 46°, cooling off.
Monday
56% chance of rain, high 64°, low 48°, cooling off.
Rest of week
Highs 61–67°; chance of precipitation on Friday, 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
Rivers
NOAA river gauges within 25 mi
Below flood stage
Blackbird Creek near Macy
14 mi- Level
- 5.1 ft
Reading from Sat 7:30 AM · NWS gauge page
South Blackbird Creek near Macy
15 mi- Level
- 5.3 ft
Reading from Sat 7:15 AM · NWS gauge page
North Blackbird Creek at Macy
15 mi- Level
- 8.2 ft
Reading from Sat 7 AM · NWS gauge page
Sun & moon
Sun
Sunrise 7:47 AM, sunset 6:28 PM.
- Daylight
- 10 h 41 min
- Losing 2 min 39 s a day; shortest Dec 21, 1 h 35 min less
- Golden hour
- 5:49–6:46 PM
- Morning 7:30–8:26 AM
- Blue hour
- 6:46–6:57 PM
- Morning 7:19–7:30 AM; first light 7:19 AM
Stars tonight? Poor
Clouds most of the night (about 75% cover).
Moon
Waxing gibbous
97% lit · growing
- Today
- sets 6:02 AM · rises 5:27 PM
- Full moon
- Oct 25
- New moon
- Nov 9
