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

Weather in Rock Rapids, Iowa

Roses Bloom Along the Shelter Rows. Day 58 of spring. Read this microseason across nine climate regions →

Rock Rapids, IA
Saturday, May 16 at 11:55 PM
77
°
Overcast
Feels like
65°
Humidity
19%
Wind
18 mph
Sunrise
5:58 AM
Sunset
8:43 PM
Rock Rapids, IA
Hour by hour · 24h
75°
6p
77°
7p
74°
8p
71°
9p
68°
10p
67°
11p
63°
12a
61°
1a
58°
2a
57°
3a
54°
4a
53°
5a
51°
6a
51°
7a
59°
8a
67°
9a
75°
10a
81°
11a
83°
12p
84°
1p
87°
2p
89°
3p
88°
4p
89°
5p
L 51°H 89°
Rock Rapids, IA
7-day forecast
  1. Today
    May 16
    Overcast
    81°46°
  2. Sunday
    May 17
    Heavy Rain
    58%
    68°58°
  3. Monday
    May 18
    Light Drizzle
    84%
    64°48°
  4. Tuesday
    May 19
    Drizzle
    84%
    53°42°
  5. Wednesday
    May 20
    Overcast
    64°39°
  6. Thursday
    May 21
    Overcast
    11%
    66°46°
  7. Friday
    May 22
    Heavy Drizzle
    19%
    63°54°
Rock Rapids, IA
Anemometer · 24h winds · from true
NESW
From · True
E
094° · veering 81°
Direction
E
094°
Sustained
18
mph
Gust
24
mph
Peak 24h
24
avg 7
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 7 · pk 24
−24h−18h−12h−6hnow
A fresh breeze drives the e-bound air across the harbor.
Rock Rapids, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
961.4
+0.5 mb in 3h · falling · 28.39 inHg
Now
961.4
mb
3h
+0.5
mb
12h
-2.3
mb
24h
+2.8
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 957964
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Rock Rapids, IA
Air quality
52
AQI
Moderate
PM 2.5
6.1 μg/m³
PM 10
8.7 μg/m³
NO₂
0.6 μg/m³
Ozone
112.0 μg/m³
UV Index
1.1 Low
Rock Rapids, IA
Almanac · Saturday, May 16
Flowers blooming in late autumn, a sure sign of a bad winter coming.
Civil dawn
10:27 AM
Sunrise
5:58 AM
Daylight
14h 45m
Sunset
8:43 PM
Civil dusk
2:17 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Rock Rapids, IA
The moon
New Moon
0% illuminated
Moonrise
10:20 AM
Moonset
12:59 AM
In sign
♉︎ Taurus
Rock Rapids, IA
Microseason · 28 of 72
May 16–20

Roses Bloom Along the Shelter Rows

weather
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Rock Rapids at a glance

  • Today vs. normal: 9°F above the seasonal normal for this latitude
  • Last frost: May 7 (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 16, 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 Rock Rapids

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.