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

Weather in Allison, Iowa

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

Allison, IA
Sunday, May 17 at 2:09 AM
69
°
Overcast
Feels like
68°
Humidity
63%
Wind
7 mph
Sunrise
5:47 AM
Sunset
8:27 PM
Allison, IA
Hour by hour · 24h
73°
10%
9p
68°
10p
68°
11p
67°
12a
65°
1a
64°
2a
61°
3a
60°
4a
58°
5a
56°
6a
59°
7a
62°
8a
67°
9a
72°
10a
76°
11a
79°
12p
83°
1p
85°
2p
87°
3p
87°
4p
89°
5p
87°
6p
85°
7p
81°
8p
L 56°H 89°
Allison, IA
7-day forecast
  1. Today
    May 16
    Heavy Rain
    71%
    79°59°
  2. Sunday
    May 17
    Thunderstorm
    45%
    79°61°
  3. Monday
    May 18
    Showers
    88%
    79°63°
  4. Tuesday
    May 19
    Light Showers
    88%
    63°47°
  5. Wednesday
    May 20
    Overcast
    59°43°
  6. Thursday
    May 21
    Overcast
    64°43°
  7. Friday
    May 22
    Drizzle
    59°52°
Allison, IA
Anemometer · 24h winds · from true
NESW
From · True
NE
044° · backing 166°
Direction
NE
044°
Sustained
7
mph
Gust
11
mph
Peak 24h
19
avg 6
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 6 · pk 19 @ 11:00p
−24h−18h−12h−6hnow
Light breeze backing 166° from the ne.
Allison, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
971.4
-0.3 mb in 3h · falling · 28.69 inHg
Now
971.4
mb
3h
-0.3
mb
12h
-2.4
mb
24h
+2.0
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 969974
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Allison, IA
Air quality
59
AQI
Moderate
PM 2.5
4.1 μg/m³
PM 10
5.0 μg/m³
NO₂
5.0 μg/m³
Ozone
80.0 μg/m³
UV Index
0.0 Low
Allison, IA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:16 AM
Sunrise
5:47 AM
Daylight
14h 40m
Sunset
8:27 PM
Civil dusk
2:01 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Allison, IA
The moon
New Moon
0% illuminated
Moonrise
10:50 AM
Moonset
2:02 AM
In sign
♉︎ Taurus
Allison, 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 →

Allison at a glance

  • Today vs. normal: 69°F — typical for the season
  • Last frost: May 3 (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 Allison

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.