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 11 AM · NWS gauge page
Appearance
Observed 11:35 AM CDT at KSUX
Mostly cloudy and 68°20°, 12°7° warmer than a typical Oct 24, jacket by 9 PM.
Today: low 47°8° (likely 47°8° to 53°12°), high 70°21° (likely 67°19° to 70°21°).
Now 68°20°
Mostly cloudy
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 11a | Mostly cloudy | 67°19° (likely 66°19° to 68°20°) | 67°19° | 10% | 10 mph16 km/h from SW, gusts 22 mph36 km/h | 54% | 68% | 2 |
| Sat 12p | Mostly cloudy | 68°20° (likely 63°17° to 69°21°) | 68°20° | 10% | 10 mph16 km/h from WSW, gusts 19 mph31 km/h | 54% | 76% | 2 |
| Sat 1p | Cloudy | 68°20° (likely 63°17° to 69°21°) | 68°20° | 10% | 15 mph24 km/h from WNW, gusts 19 mph30 km/h | 55% | 86% | 3 |
| Sat 2p | Mostly sunny | 69°21° (likely 62°17° to 69°21°) | 69°21° | 5% | 15 mph24 km/h from NW, gusts 18 mph28 km/h | 56% | 57% | 3 |
| Sat 3p | Mostly sunny | 66°19° (likely 60°16° to 66°19°) | 66°19° | 10% | 15 mph24 km/h from NW, gusts 19 mph31 km/h | 57% | 59% | 2 |
| Sat 4p | Cloudy | 65°18° (likely 59°15° to 65°18°) | 65°18° | 10% | 10 mph16 km/h from NNW, gusts 19 mph31 km/h | 57% | 65% | 1 |
| Sat 5p | Cloudy | 64°18° (likely 57°14° to 64°18°) | 64°18° | 20% | 10 mph16 km/h from NNW, gusts 20 mph32 km/h | 56% | 94% | 1 |
| Sat 6p | Cloudy | 60°16° (likely 55°13° to 60°16°) | 60°16° | 30% | 10 mph16 km/h from N, gusts 19 mph30 km/h | 61% | 97% | 0 |
| Sat 7p | Cloudy | 58°14° (likely 53°12° to 58°14°) | 58°14° | 10%, 0.03 in0.8 mm | 10 mph16 km/h from N, gusts 18 mph29 km/h | 65% | 100% | 0 |
| Sat 8p | Cloudy | 56°13° (likely 52°11° to 57°14°) | 56°13° | 10%, 0.03 in0.8 mm | 10 mph16 km/h from N, gusts 16 mph26 km/h | 72% | 100% | 0 |
| Sat 9p | Cloudy | 54°12° (likely 51°11° to 55°13°) | 54°12° | 30%, 0.03 in0.8 mm | 5 mph8 km/h from N, gusts 16 mph26 km/h | 78% | 99% | 0 |
| Sat 10p | Cloudy | 54°12° (likely 50°10° to 55°13°) | 54°12° | 20%, 0.03 in0.8 mm | 5 mph8 km/h from N, gusts 16 mph26 km/h | 77% | 99% | 0 |
| Sat 11p | Cloudy | 53°12° (likely 50°10° to 53°12°) | 53°12° | 20%, 0.03 in0.8 mm | 5 mph8 km/h from N, gusts 17 mph28 km/h | 77% | 97% | 0 |
| Sun 12a | Cloudy | 52°11° (likely 49°9° to 52°11°) | 52°11° | 20%, 0.03 in0.8 mm | 5 mph8 km/h from NNE, gusts 18 mph29 km/h | 79% | 98% | 0 |
| Sun 1a | Cloudy | 51°11° (likely 49°9° to 52°11°) | 51°11° | 20% | 5 mph8 km/h from NNE, gusts 16 mph25 km/h | 82% | 92% | 0 |
| Sun 2a | Cloudy | 50°10° (likely 49°9° to 51°11°) | 48°9° | 20% | 5 mph8 km/h from NNE, gusts 15 mph25 km/h | 85% | 86% | 0 |
| Sun 3a | Cloudy | 50°10° (likely 49°9° to 51°11°) | 48°9° | 30% | 5 mph8 km/h from NE, gusts 15 mph24 km/h | 85% | 86% | 0 |
| Sun 4a | Showers | 50°10° (likely 48°9° to 50°10°) | 47°8° | 20% | 5 mph8 km/h from NE, gusts 13 mph21 km/h | 84% | 52% | 0 |
| Sun 5a | Cloudy | 49°9° (likely 48°9° to 50°10°) | 47°8° | 20% | 5 mph8 km/h from NE, gusts 14 mph22 km/h | 86% | 90% | 0 |
| Sun 6a | Cloudy | 48°9° (likely 47°8° to 50°10°) | 46°8° | 30% | 5 mph8 km/h from NE, gusts 14 mph23 km/h | 88% | 99% | 0 |
| Sun 7a | Cloudy | 48°9° (likely 47°8° to 50°10°) | 46°8° | 10% | 5 mph8 km/h from NE, gusts 16 mph25 km/h | 88% | 100% | 0 |
| Sun 8a | Cloudy | 47°8° (likely 47°8° to 50°10°) | 44°7° | 5% | 5 mph8 km/h from NE, gusts 16 mph26 km/h | 91% | 97% | 0 |
| Sun 9a | Cloudy | 49°9° (likely 48°9° to 51°11°) | 46°8° | 5% | 5 mph8 km/h from ENE, gusts 18 mph29 km/h | 88% | 95% | 0 |
| Sun 10a | Cloudy | 53°12° (likely 49°9° to 53°12°) | 53°12° | 5% | 5 mph8 km/h from ENE, gusts 18 mph30 km/h | 77% | 93% | 1 |
| Sun 11a | Mostly cloudy | 56°13° (likely 49°9° to 56°13°) | 56°13° | 5% | 5 mph8 km/h from NE, gusts 17 mph27 km/h | 69% | 92% | 2 |
| Sun 12p | Partly sunny | 58°14° (likely 51°11° to 58°14°) | 58°14° | 5% | 10 mph16 km/h from NE, gusts 16 mph26 km/h | 64% | 73% | 3 |
| Sun 1p | Cloudy | 61°16° (likely 53°12° to 61°16°) | 61°16° | 5% | 10 mph16 km/h from ENE, gusts 15 mph24 km/h | 58% | 68% | 4 |
| Sun 2p | Cloudy | 62°17° (likely 54°12° to 63°17°) | 62°17° | 5% | 10 mph16 km/h from NE, gusts 15 mph23 km/h | 57% | 70% | 4 |
| Sun 3p | Cloudy | 62°17° (likely 55°13° to 63°17°) | 62°17° | 5% | 10 mph16 km/h from NE, gusts 17 mph27 km/h | 57% | 73% | 3 |
| Sun 4p | Cloudy | 64°18° (likely 55°13° to 64°18°) | 64°18° | 5% | 10 mph16 km/h from NE, gusts 18 mph29 km/h | 53% | 71% | 3 |
| Sun 5p | Cloudy | 62°17° (likely 54°12° to 62°17°) | 62°17° | 5% | 10 mph16 km/h from NE, gusts 19 mph31 km/h | 53% | 63% | 2 |
| Sun 6p | Mostly cloudy | 61°16° (likely 52°11° to 61°16°) | 61°16° | 5% | 10 mph16 km/h from NE, gusts 19 mph31 km/h | 54% | 52% | 1 |
| Sun 7p | Cloudy | 58°14° (likely 50°10° to 58°14°) | 58°14° | 5% | 10 mph16 km/h from NE, gusts 21 mph34 km/h | 54% | 76% | 0 |
| Sun 8p | Cloudy | 54°12° (likely 49°9° to 54°12°) | 54°12° | 5% | 10 mph16 km/h from NE, gusts 24 mph38 km/h | 64% | 91% | 0 |
| Sun 9p | Cloudy | 53°12° (likely 48°9° to 53°12°) | 53°12° | 5% | 10 mph16 km/h from NE, gusts 24 mph39 km/h | 64% | 86% | 0 |
| Sun 10p | Cloudy | 52°11° (likely 48°9° to 52°11°) | 52°11° | 5% | 10 mph16 km/h from NE, gusts 24 mph38 km/h | 63% | 90% | 0 |
| Sun 11p | Cloudy | 50°10° (likely 47°8° to 51°11°) | 46°8° | 20% | 10 mph16 km/h from NE, gusts 25 mph40 km/h | 68% | 100% | 0 |
| Mon 12a | Drizzle | 50°10° (likely 45°7° to 50°10°) | 46°8° | 20% | 10 mph16 km/h from NE, gusts 26 mph41 km/h | 66% | 100% | 0 |
| Mon 1a | Drizzle | 49°9° (likely 44°7° to 49°9°) | 45°7° | 50%, 0.08 in2 mm | 10 mph16 km/h from NE, gusts 25 mph40 km/h | 71% | 100% | 0 |
| Mon 2a | Cloudy | 48°9° (likely 44°7° to 49°9°) | 44°7° | 5%, 0.08 in2 mm | 10 mph16 km/h from ENE, gusts 25 mph40 km/h | 74% | 100% | 0 |
| Mon 3a | Cloudy | 47°8° (likely 44°7° to 48°9°) | 42°6° | 10%, 0.08 in2 mm | 10 mph16 km/h from ENE, gusts 25 mph39 km/h | 76% | 100% | 0 |
| Mon 4a | Cloudy | 47°8° (likely 44°7° to 48°9°) | 42°6° | 10%, 0.08 in2 mm | 10 mph16 km/h from ENE, gusts 24 mph39 km/h | 79% | 100% | 0 |
| Mon 5a | Showers | 46°8° (likely 45°7° to 48°9°) | 40°4° | 30%, 0.08 in2 mm | 10 mph16 km/h from ENE, gusts 26 mph42 km/h | 84% | 100% | 0 |
| Mon 6a | Drizzle | 46°8° (likely 45°7° to 47°8°) | 40°4° | 40%, 0.08 in2 mm | 10 mph16 km/h from ENE, gusts 26 mph42 km/h | 84% | 100% | 0 |
| Mon 7a | Cloudy | 46°8° (likely 45°7° to 47°8°) | 40°4° | 60%, 0.06 in1.5 mm | 15 mph24 km/h from ENE, gusts 26 mph41 km/h | 84% | 100% | 0 |
| Mon 8a | Showers | 44°7° (likely 44°7° to 48°9°) | 38°3° | 60%, 0.06 in1.5 mm | 15 mph24 km/h from E, gusts 24 mph38 km/h | 88% | 97% | 0 |
| Mon 9a | Showers | 46°8° (likely 46°8° to 49°9°) | 41°5° | 60%, 0.06 in1.5 mm | 15 mph24 km/h from E, gusts 23 mph38 km/h | 84% | 100% | 0 |
| Mon 10a | Showers | 50°10° (likely 47°8° to 51°11°) | 46°8° | 60%, 0.06 in1.5 mm | 10 mph16 km/h from E, gusts 22 mph35 km/h | 77% | 99% | 0 |
Afternoon
noon–6 PM
20% chance
Evening
6 PM–midnight
30% chance · 0.15 in3.8 mm
Overnight
midnight–6 AM
30% chance · 0.03 in0.8 mm
Official NWS forecast
Today: A slight chance of rain showers after 5pm. Mostly cloudy. High near 70, with temperatures falling to around 64 in the afternoon. West northwest wind 10 to 15 mph. Chance of precipitation is 20%.
Tonight: A chance of rain showers. Cloudy, with a low around 47. North northeast wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
30% chance
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
50% chance · 0.4 in10 mm
Official NWS forecast
Day: A chance of rain showers before 7am. Mostly cloudy, with a high near 64. Northeast wind 5 to 10 mph. Chance of precipitation is 30%.
Night: A chance of rain showers after 11pm. Cloudy, with a low around 44. East northeast wind around 10 mph. Chance of precipitation is 50%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
60% chance · 0.32 in8.2 mm
Afternoon
noon–6 PM
40% chance · 0.02 in0.6 mm
Evening
6 PM–midnight
50% chance · 0.09 in2.4 mm
Overnight
midnight–6 AM
50% chance · 0.01 in0.4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain showers likely. Mostly cloudy, with a high near 63. East wind 10 to 15 mph. Chance of precipitation is 60%.
Night: Rain showers likely before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 48. South wind around 10 mph. Chance of precipitation is 60%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
20% chance · 0.04 in1 mm
Overnight
midnight–6 AM
20% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers. Partly sunny, with a high near 65.
Night: A slight chance of rain showers. Mostly cloudy, with a low around 50.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 70.
Night: A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 48.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 72.
Night: A slight chance of rain showers after 1am. Mostly cloudy, with a low around 55.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
30% chance · 0.03 in0.8 mm
Afternoon
noon–6 PM
30% chance · 0.04 in1 mm
Evening
6 PM–midnight
30% chance · 0.06 in1.4 mm
Overnight
midnight–6 AM
40% chance · 0.03 in0.7 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 72. Chance of precipitation is 40%.
Night: A chance of rain showers. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
50% chance
Afternoon
noon–6 PM
50% chance · 0.06 in1.6 mm
Evening
6 PM–midnight
50% chance · 0.06 in1.5 mm
Overnight
midnight–6 AM
40% chance · 0.08 in2 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.
Morning
6 AM–noon
30% chance · 0.06 in1.6 mm
Afternoon
noon–6 PM
20% chance · 0.1 in2.4 mm
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
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.
Morning
6 AM–noon
20% chance · 0.02 in0.4 mm
Afternoon
noon–6 PM
30% chance · 0.05 in1.3 mm
Evening
6 PM–midnight
30% chance · 0.05 in1.2 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.
Dry, high 70°, low 47°.
Dry, high 64°, low 44°, cooling off.
63% chance of rain, high 63°, low 48°.
Highs 57–72°; chance of precipitation on Friday, Saturday, Sunday.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (FSD) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Forecast peak 10.5 ft Sat 1 PM
Reading from Sat 11 AM · NWS gauge page
Reading from Sat 10:45 AM · NWS gauge page
Reading from Sat 11:15 AM · NWS gauge page
Reading from Sat 11 AM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 85% less heating than a typical week.
Heating degree days, base 65°F
47, 17 and 5°F are the test points heat pumps are rated at.
Dry air outside (dew point 52°F).
Today, 12:00 PM–4:00 PM
Good stretch to open the windows (air quality forecast not available for part of this window).
Today’s expected high is 12°7° warmer than typical.
On average 10°6° warmer than normal (daily mean temperature).
Le Mars weather by month: normals, records, snow and freeze dates
Sunrise 7:49 AM, sunset 6:28 PM.
Clouds most of the night (about 92% cover).
Waxing gibbous
97% lit · growing