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

Weather in Emerson, Iowa

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

Emerson, IA
Sunday, May 17 at 12:49 AM
68
°
Overcast
Feels like
63°
Humidity
83%
Wind
23 mph
Sunrise
6:02 AM
Sunset
8:33 PM
Emerson, IA
Hour by hour · 24h
77°
7p
74°
8p
73°
9p
71°
10p
68°
11p
65°
12a
65°
1a
65°
2a
62°
3a
61°
4a
60°
5a
60°
6a
60°
7a
64°
8a
70°
9a
75°
10a
80°
11a
83°
12p
86°
1p
88°
2p
89°
3p
88°
4p
88°
5p
87°
6p
L 60°H 89°
Emerson, IA
7-day forecast
  1. Today
    May 16
    Thunderstorm
    50%
    84°63°
  2. Sunday
    May 17
    Thunderstorm
    83%
    80°62°
  3. Monday
    May 18
    Thunderstorm
    95%
    88°60°
  4. Tuesday
    May 19
    Light Showers
    95%
    59°48°
  5. Wednesday
    May 20
    Overcast
    —
    60°43°
  6. Thursday
    May 21
    Light Drizzle
    —
    66°47°
  7. Friday
    May 22
    Drizzle
    15%
    68°55°
Emerson, IA
Next 24 hours · Mild now
HOT 90°50°73°95°12a6a12p6pnow 77°high 89°low 60°
Emerson, IA
Anemometer · 24h winds · from true
NESW
From · True
ENE
072° · backing 42°
Direction
ENE
072°
Sustained
23
mph
Gust
37
mph
Peak 24h
39
avg 11
Beaufort · 5 · FRESH 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 39 @ 10:00p
−24h−18h−12h−6hnow
Sustained 23 mph with gusts pulsing to 37 — flags snap, branches bend.
Emerson, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
966.6
+1.2 mb in 3h · rising rapidly · 28.54 inHg
Now
966.6
mb
3h
+1.2
mb
12h
-3.0
mb
24h
-0.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 965–971
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Emerson, IA
Air quality
50
AQI
Good
PM 2.5
4.9 μg/m³
PM 10
5.9 μg/m³
NO₂
2.5 μg/m³
Ozone
99.0 μg/m³
UV Index
0.3 Low
Emerson, IA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:32 AM
Sunrise
6:02 AM
Daylight
14h 31m
Sunset
8:33 PM
Civil dusk
2:05 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Emerson, IA
The moon
New Moon
0% illuminated
Moonrise
11:07 AM
Moonset
2:06 AM
In sign
♉︎ Taurus
Emerson, 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 →

Emerson at a glance

  • Today vs. normal: 3°F below the seasonal normal for this latitude
  • Last frost: April 22 (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.

All cities in Iowa →

ZIP codes in Emerson

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.