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

Weather in Little Sioux, Iowa

Roses Bloom Along the Shelter Rows. Day 59 of spring. Read this microseason across nine climate regions →

Little Sioux, IA
Sunday, May 17 at 12:50 AM
77
°
Overcast
Feels like
72°
Humidity
49%
Wind
16 mph
Sunrise
6:02 AM
Sunset
8:38 PM
Little Sioux, IA
Hour by hour · 24h
80°
7p
77°
8p
74°
9p
72°
10p
69°
11p
67°
12a
65°
1a
63°
2a
62°
3a
60°
4a
59°
5a
58°
6a
58°
7a
65°
8a
69°
9a
74°
10a
78°
11a
83°
12p
87°
1p
89°
2p
91°
3p
91°
4p
89°
5p
91°
6p
L 58°H 91°
Little Sioux, IA
7-day forecast
  1. Today
    May 16
    Rain
    19%
    83°56°
  2. Sunday
    May 17
    Thunderstorm
    74%
    83°61°
  3. Monday
    May 18
    Rain
    91%
    66°55°
  4. Tuesday
    May 19
    Light Drizzle
    91%
    60°45°
  5. Wednesday
    May 20
    Overcast
    64°42°
  6. Thursday
    May 21
    Overcast
    10%
    66°48°
  7. Friday
    May 22
    Light Rain
    15%
    63°56°
Little Sioux, IA
Anemometer · 24h winds · from true
NESW
From · True
NE
051° · backing 25°
Direction
NE
051°
Sustained
16
mph
Gust
34
mph
Peak 24h
44
avg 13
Beaufort · 4 · MOD 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 13 · pk 44 @ 12:00a
−24h−18h−12h−6hnow
Sustained 16 mph with gusts pulsing to 34 — flags snap, branches bend.
Little Sioux, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
969.6
-0.4 mb in 3h · steady · 28.63 inHg
Now
969.6
mb
3h
-0.4
mb
12h
-2.7
mb
24h
+0.3
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 968973
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Little Sioux, IA
Air quality
53
AQI
Moderate
PM 2.5
3.5 μg/m³
PM 10
4.5 μg/m³
NO₂
1.4 μg/m³
Ozone
113.0 μg/m³
UV Index
0.3 Low
Little Sioux, IA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:32 AM
Sunrise
6:02 AM
Daylight
14h 36m
Sunset
8:38 PM
Civil dusk
2:11 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Little Sioux, IA
The moon
New Moon
0% illuminated
Moonrise
11:06 AM
Moonset
2:11 AM
In sign
♉︎ Taurus
Little Sioux, IA
Microseason · 28 of 72
May 16–20

Roses Bloom Along the Shelter Rows

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Little Sioux at a glance

  • Today vs. normal: 7°F above the seasonal normal for this latitude
  • Last frost: April 27 (climatological average for this latitude)
  • Microseason: 28 of 72, May 16–20
  • Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.

Right now in the garden

Warm-season window is open

As of May 17, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.

ZIP codes in Little Sioux

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.