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

Weather in Monona, Iowa

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

Monona, IA
Sunday, May 17 at 2:36 AM
69
°
Partly Cloudy
Feels like
64°
Humidity
36%
Wind
5 mph
Sunrise
5:40 AM
Sunset
8:23 PM
Monona, IA
Hour by hour · 24h
66°
20%
9p
60°
41%
10p
60°
33%
11p
59°
10%
12a
57°
14%
1a
57°
10%
2a
55°
3a
55°
4a
54°
5a
53°
6a
55°
7a
59°
8a
63°
9a
67°
10a
71°
11a
74°
12p
77°
1p
80°
2p
82°
3p
83°
4p
84°
5p
83°
6p
82°
7p
78°
8p
L 53°H 84°
Monona, IA
7-day forecast
  1. Today
    May 16
    Heavy Rain
    97%
    80°58°
  2. Sunday
    May 17
    Thunderstorm
    68%
    73°61°
  3. Monday
    May 18
    Showers
    89%
    78°61°
  4. Tuesday
    May 19
    Showers
    89%
    66°46°
  5. Wednesday
    May 20
    Overcast
    57°44°
  6. Thursday
    May 21
    Overcast
    60°38°
  7. Friday
    May 22
    Light Drizzle
    59°47°
Monona, IA
Anemometer · 24h winds · from true
NESW
From · True
NE
054° · backing 138°
Direction
NE
054°
Sustained
5
mph
Gust
7
mph
Peak 24h
18
avg 5
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 5 · pk 18 @ 4:00a
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Monona, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
967.3
-0.3 mb in 3h · rising · 28.56 inHg
Now
967.3
mb
3h
-0.3
mb
12h
-2.0
mb
24h
+3.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 963969
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Monona, IA
Air quality
50
AQI
Good
PM 2.5
6.7 μg/m³
PM 10
8.4 μg/m³
NO₂
7.4 μg/m³
Ozone
70.0 μg/m³
UV Index
0.0 Low
Monona, IA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:09 AM
Sunrise
5:40 AM
Daylight
14h 43m
Sunset
8:23 PM
Civil dusk
1:56 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Monona, IA
The moon
New Moon
0% illuminated
Moonrise
10:43 AM
Moonset
1:57 AM
In sign
♊︎ Gemini
Monona, 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 →

Monona at a glance

  • Today vs. normal: 69°F — typical for the season
  • Last frost: May 4 (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 Monona

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.