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

Weather in Pierson, Iowa

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

Pierson, IA
Sunday, May 17 at 3:53 AM
70
°
Overcast
Feels like
62°
Humidity
35%
Wind
15 mph
Sunrise
6:00 AM
Sunset
8:39 PM
Pierson, IA
Hour by hour · 24h
69°
10p
68°
11p
65°
12a
64°
1a
61°
2a
59°
3a
57°
4a
54°
5a
52°
6a
52°
7a
60°
8a
67°
9a
74°
10a
81°
11a
84°
12p
86°
1p
88°
2p
89°
3p
91°
4p
91°
5p
90°
6p
87°
15%
7p
84°
24%
8p
75°
16%
9p
L 52°H 91°
Pierson, IA
7-day forecast
  1. Today
    May 16
    Overcast
    81°52°
  2. Sunday
    May 17
    Thunderstorm
    53%
    81°61°
  3. Monday
    May 18
    Showers
    94%
    65°53°
  4. Tuesday
    May 19
    Light Showers
    94%
    57°44°
  5. Wednesday
    May 20
    Overcast
    64°39°
  6. Thursday
    May 21
    Overcast
    66°46°
  7. Friday
    May 22
    Drizzle
    16%
    61°54°
Pierson, IA
Anemometer · 24h winds · from true
NESW
From · True
ENE
068° · veering 18°
Direction
ENE
068°
Sustained
15
mph
Gust
24
mph
Peak 24h
29
avg 12
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 12 · pk 29 @ 2:00a
−24h−18h−12h−6hnow
Sustained 15 mph with gusts pulsing to 24 — flags snap, branches bend.
Pierson, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
960.5
-0.8 mb in 3h · rising · 28.36 inHg
Now
960.5
mb
3h
-0.8
mb
12h
-3.8
mb
24h
-0.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 960966
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Pierson, IA
Air quality
55
AQI
Moderate
PM 2.5
3.5 μg/m³
PM 10
4.2 μg/m³
NO₂
2.2 μg/m³
Ozone
100.0 μg/m³
UV Index
0.0 Low
Pierson, IA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:29 AM
Sunrise
6:00 AM
Daylight
14h 39m
Sunset
8:39 PM
Civil dusk
2:12 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Pierson, IA
The moon
New Moon
0% illuminated
Moonrise
11:03 AM
Moonset
2:13 AM
In sign
♊︎ Gemini
Pierson, 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 →

Pierson at a glance

  • Today vs. normal: 70°F — typical for the season
  • Last frost: May 1 (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

Cool-season window is open

As of May 17, the cool-season window is open or about to open. Direct-sow peas, lettuce, spinach, radishes, and brassicas now. Hold off on warm-season crops until 1–2 weeks after the last spring frost (around May).

ZIP codes in Pierson

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.