Sioux CitySUX
At an airfield/1.4 mi away/1,102 ft/11 ft above here
temp, wind, gust, visibility, precip, pressure
Sergeant Bluff, Iowa
City in Woodbury County, Iowa* WHAT...Sub-freezing temperatures as low as 30. * WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and east central and southeast South Dakota. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Take steps now to protect tender plants from the cold.
31°
63°/30°
Clear·
Feels like 25°·Light breeze 6 mph S
Alert. A Freeze Warning is in force for Sergeant Bluff until 9 AM today. Read the alert in full, and see what it means in the Field Book.
Now. Sergeant Bluff is 31° and clear at 6 AM. With the wind it feels like 25°. The dew point is 25°, so the air feels dry and comfortable. Light breeze from the south at 6 mph.
Today and tonight. It warms to about 62° by 4 PM. Tonight falls to about 42° by 7 AM, under a mostly clear sky. No rain is expected for the rest of the day.
The week. The warmest day ahead is Friday, near 79°, and the coolest Monday, near 67°. The days ahead look dry.
The sky tonight. The sun sets at 6:40 PM. The Moon is a waxing crescent, 43% lit, and sets at 11:32 PM. The next full Moon is Sunday, Oct 25. After dark, look for Saturn, bright in the east-southeast. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. The sky is forecast to stay clear: a good night to look up. The day is 11 hours 1 minutes long, 3 minutes shorter than yesterday.
0UV Low
18Air quality
92%Humidity
0%Cloud
Now
6:00 AM
31feels25
now, clear
Today
Oct 17
6330
18mph
Sun
Oct 18
6840
16mph
Mon
Oct 19
6740
mostly clear day
Tue
Oct 20
7144
overcast
Wed
Oct 21
7650
overcast
Thu
Oct 22
7850
overcast
Fri
Oct 23
7956
16%
16mph
31°
63°30°
68°40°
67°40°
71°44°
76°50°
78°50°
79°56°
As of 6:00 AM in Sergeant Bluff, Iowa.
Air quality
The air at Sergeant Bluff
Index 18, good, led by ozone. Read at 5 AM from its reporting area, Sioux City (IA), 9 miles off.
18Good
- Ozone18Good-
The days ahead
Yesterday measured 27, good.
GoodModerate
- 27YesterdayOct 16
Smoke, the next 44 hours
No smoke near the ground through Mon 1 AM.
Precipitation
What has fallen at Sergeant Bluff
None in the last 24 hours; 0.56 in over the last 3 days, to Sat 5 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.00in
- Last 3 days
- 0.56in
3 days agoLast 24 hours 0%
Visibility
How far you can see at Sergeant Bluff, the next 44 hours
Visibility stays 9 miles or more through Mon 1 AM, lowest 9 miles Sun 8 AM.
F
Now, today, and the week
On the radar over Sergeant Bluff, IowaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
Weather instrument stations by state
What is measuring near here
The 7 instruments nearest Sergeant Bluff, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.2 miles away.
measured now5 instruments
Rank294of 1,055
Citizen station FW2980FW2980
In a volunteer observer's own ground/5.3 mi away/1,103 ft/12 ft above here
temp, humidity, wind, precip, pressure
Beside a road/10.6 mi away/1,138 ft/47 ft above here
temp, pavement temp, wind, visibility, precip
MilnervilleBKTI4
At a river or reservoir gauge/24.0 mi away/1,224 ft/133 ft above here
temp, wind, gust, humidity, pressure
Shagbark HillsS2068
At a soil climate station/29.9 mi away/1,119 ft/28 ft above here
temp, humidity, soil temp, soil moisture
measured daily2 instruments
Sioux City AirportSXGI4
At an airfield/1.2 mi away/1,086 ft/5 ft below here
snowfall, snow depth, precip, high, low
Sioux City 3.1 ESEIA-WD-11
In a volunteer observer's own ground/5.8 mi away/1,283 ft/192 ft above here
precip, snowfall, snow depth
Station report
The weather at Sioux City, drawn
The nearest airport reporting now, 1.4 mi from Sergeant Bluff, Iowa. From its report of Oct 17, 2026, 5:52 AM local time: 3 of its 6 sheets.
The sky
No cloud below 12,000 ft; visibility 10 mi or more.
The air
27.0 F with a dew point of 25.0 F, 92 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up.
The wind
From the east southeast (110 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale.
The full report of Sioux City, in 6 sheets, each beside the Field Book plates that explain it
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in Iowa
15 places, each with its own forecast and its own instruments.
Near Sergeant Bluff
The nearest places, each with its own forecast and the instruments nearest it.