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

Weather in Mount Ayr, Iowa

Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →

Mount Ayr, IA
Sunday, May 17 at 5:52 AM
63
°
Heavy Rain
Feels like
65°
Humidity
96%
Wind
6 mph
Sunrise
5:57 AM
Sunset
8:29 PM
Mount Ayr, IA
Hour by hour · 24h
65°
12a
63°
1a
62°
2a
61°
3a
60°
4a
59°
5a
57°
6a
58°
7a
63°
8a
67°
9a
71°
10a
75°
11a
78°
12p
80°
1p
83°
2p
83°
3p
84°
4p
86°
5p
86°
6p
82°
7p
72°
8p
72°
21%
9p
70°
20%
10p
69°
11p
L 57°H 86°
Mount Ayr, IA
7-day forecast
  1. Today
    May 17
    Thunderstorm
    98%
    80°62°
  2. Monday
    May 18
    Thunderstorm
    92%
    79°63°
  3. Tuesday
    May 19
    Showers
    92%
    62°48°
  4. Wednesday
    May 20
    Overcast
    60°41°
  5. Thursday
    May 21
    Rain
    58°47°
  6. Friday
    May 22
    Drizzle
    16%
    68°50°
  7. Saturday
    May 23
    Light Drizzle
    13%
    75°55°
Mount Ayr, IA
Anemometer · 24h winds · from true
NESW
From · True
SSE
164° · backing 10°
Direction
SSE
164°
Sustained
6
mph
Gust
15
mph
Peak 24h
35
avg 11
Beaufort · 2 · LIGHT 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 11 · pk 35 @ 7:00p
−24h−18h−12h−6hnow
Light breeze backing 10° from the sse.
Mount Ayr, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
963.4
+1.1 mb in 3h · rising · 28.45 inHg
Now
963.4
mb
3h
+1.1
mb
12h
+0.5
mb
24h
+0.9
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.
Mount Ayr, IA
Air quality
40
AQI
Good
PM 2.5
2.8 μg/m³
PM 10
3.1 μg/m³
NO₂
2.5 μg/m³
Ozone
76.0 μg/m³
UV Index
0.0 Low
Mount Ayr, IA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:29 AM
Sunrise
5:57 AM
Daylight
14h 32m
Sunset
8:29 PM
Civil dusk
2:00 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Mount Ayr, IA
The moon
New Moon
0% illuminated
Moonrise
11:03 AM
Moonset
2:00 AM
In sign
♊︎ Gemini
Mount Ayr, IA
Microseason · 28 of 72
May 16–20

Roses open on the Piedmont edge

insect
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Mount Ayr at a glance

  • Today vs. normal: 8°F below the seasonal normal for this latitude
  • Last frost: April 20 (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 Mount Ayr

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.