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

Weather in Colo, Iowa

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

Colo, IA
Sunday, May 17 at 4:55 AM
67
°
Overcast
Feels like
65°
Humidity
75%
Wind
13 mph
Sunrise
5:51 AM
Sunset
8:27 PM
Colo, IA
Hour by hour · 24h
68°
11p
67°
12a
65°
1a
62°
2a
61°
3a
59°
4a
58°
5a
56°
6a
59°
7a
62°
8a
67°
9a
72°
10a
76°
11a
79°
12p
83°
1p
85°
2p
86°
3p
88°
4p
88°
5p
86°
6p
84°
7p
81°
11%
8p
78°
11%
9p
75°
32%
10p
L 56°H 88°
Colo, IA
7-day forecast
  1. Today
    May 16
    Rain
    70%
    82°58°
  2. Sunday
    May 17
    Thunderstorm
    65%
    79°62°
  3. Monday
    May 18
    Thunderstorm
    96%
    82°63°
  4. Tuesday
    May 19
    Light Rain
    96%
    64°47°
  5. Wednesday
    May 20
    Overcast
    60°41°
  6. Thursday
    May 21
    Overcast
    65°45°
  7. Friday
    May 22
    Light Drizzle
    10%
    65°53°
Colo, IA
Anemometer · 24h winds · from true
NESW
From · True
ENE
076° · backing 85°
Direction
ENE
076°
Sustained
13
mph
Gust
23
mph
Peak 24h
31
avg 8
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 8 · pk 31 @ 2:00a
−24h−18h−12h−6hnow
Sustained 13 mph with gusts pulsing to 23 — flags snap, branches bend.
Colo, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
970.7
-0.1 mb in 3h · steady · 28.66 inHg
Now
970.7
mb
3h
-0.1
mb
12h
-2.2
mb
24h
+1.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 970974
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Colo, IA
Air quality
46
AQI
Good
PM 2.5
4.2 μg/m³
PM 10
4.9 μg/m³
NO₂
6.6 μg/m³
Ozone
64.0 μg/m³
UV Index
0.0 Low
Colo, IA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:21 AM
Sunrise
5:51 AM
Daylight
14h 36m
Sunset
8:27 PM
Civil dusk
2:00 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Colo, IA
The moon
New Moon
0% illuminated
Moonrise
10:54 AM
Moonset
2:01 AM
In sign
♊︎ Gemini
Colo, 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 →

Colo at a glance

  • Today vs. normal: 3°F below the seasonal normal for this latitude
  • Last frost: April 28 (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 Colo

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.