Weather StoryAlmanac, microseasons, and the day's weather story.

Sioux Center, Iowa Weather

Toward the solstice glow. Day 88 of spring. Read this microseason across nine climate regions →

Sioux Center weather forecast — hour by hour, 7-day outlook, NOAA radar

Sioux Center, IA
Monday, June 15 at 3:25 AM
53
°
Clear
Feels like
47°
Humidity
63%
Wind
8 mph
Sunrise
12:44 AM
Sunset
4:05 PM
Sioux Center, IA
Hour by hour · 24h
24-Hour ForecastSioux Center, IA: 24-hour forecast. Temperatures range from 50 to 76 degrees Fahrenheit.
L 50°H 76°
Sioux Center, IA
7-day forecast
  1. Today
    Jun 15
    Drizzle
    0.03″
    76°50°
  2. Tuesday
    Jun 16
    Overcast
    75°52°-1°
  3. Wednesday
    Jun 17
    Light Showers
    46%
    80°55°+5°
  4. Thursday
    Jun 18
    Drizzle
    0.01″
    65°51°-15°
  5. Friday
    Jun 19
    Drizzle
    13%
    0.02″
    80°50°+15°
  6. Saturday
    Jun 20
    Light Drizzle
    32%
    79°59°-1°
  7. Sunday
    Jun 21
    Overcast
    32%
    77°60°-2°
Sioux Center, IA
Anemometer · 24h winds · from true
NESW
From · True
WSW
253° · backing 48°
Direction
WSW
253°
Sustained
8
mph
Gust
16
mph
Peak 24h
25
avg 10
Beaufort · 3 · GENTLE BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 10 · pk 25 @ 7:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 2210SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 48° from the wsw.
Sioux Center, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
965.9
-0.2 mb in 3h · steady · 28.52 inHg
Now
965.9
mb
3h
-0.2
mb
12h
-2.6
mb
24h
+0.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 966969
960965970975-21h-18h-15h-12h-9h-6h-3h-24hNOW969.1965.6965.8
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Sioux Center, IA
Air quality
33
AQI
Good
-12 in 6h

AQI 33 (Good), driven by PM2.5. AQI down 12 over the last 6 hours (gradual decline). PM2.5 at 4.6 µg/m³, PM10 at 4.7 µg/m³ — typical background levels with no transport signature.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5DRIVERGood
4.6μg/m³
PM 10Good
5μg/m³
NO₂Good
20μg/m³
OzoneGood
32μg/m³
UV IndexLow
0.0

What's driving it

PM × Wind × Precip

PM2.5 at 4.6 µg/m³, PM10 at 4.7 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.98
Wind
light
Recent rain
0h in last 6h
Pattern
background
Sioux Center, IA
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
61.0mi
UNLIMITED
133 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
08:25 UTC · Sioux Center, IA · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
08:25 UTC · Sioux Center, IA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Sioux Center, IA
Satellite · infrared · animated
Sioux Center, IA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Sioux Center, IA
Almanac · Monday, June 15
A summer fog for fair, a winter fog for rain.
Civil dawn
5:10 AM
Sunrise
12:44 AM
Daylight
15h 21m
Sunset
4:05 PM
Civil dusk
9:42 PM
Planting note
Stake and prune tomato suckers. Watch for squash vine borers.
Sioux Center, IA
The moon
New Moon
0% illuminated
Moonrise
5:45 AM
Moonset
9:26 PM
In sign
♊︎ Gemini
Sioux Center, IA
Microseason
Jun 11–15

Toward the solstice glow

celestial
Jan 145% of the yearDec 31

Read this microseason across nine climate regions →

Sioux Center at a glance

  • Today vs. normal: 19°F below the seasonal normal for this latitude
  • Last frost: May 4 (climatological average for this latitude)
  • Microseason: Jun 11–15
  • Planting window: Stake and prune tomato suckers. Watch for squash vine borers.

15-Day Forecast — Sioux Center

  1. Mon76°50°4%
  2. Tue75°52°4%
  3. Wed80°55°46%
  4. Thu65°51°5%
  5. Fri80°50°13%
  6. Sat79°59°32%
  7. Sun77°60°32%
  8. Mon74°57°21%
  9. Tue77°59°13%
  10. Wed86°65°24%
  11. Thu89°66°16%
  12. Fri93°73°36%
  13. Sat96°76°29%
  14. Sun93°63°26%
  15. Mon84°61°36%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of June 15, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

SPC Convective Outlook

Storm Prediction Center — Sioux Center

SPC has placed Sioux Center in the General Thunderstorms category for severe thunderstorms today.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3NONENo severe risk

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

ZIP codes in Sioux Center

  • 51250

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.