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

Weather in Rockham, South Dakota

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

Rockham, SD
Sunday, May 17 at 1:46 AM
62
°
Clear
Feels like
53°
Humidity
34%
Wind
13 mph
Sunrise
6:04 AM
Sunset
8:58 PM
Rockham, SD
Hour by hour · 24h
72°
8p
68°
9p
62°
10p
59°
11p
54°
12a
50°
1a
49°
2a
48°
3a
47°
4a
48°
5a
46°
6a
47°
7a
53°
8a
61°
9a
67°
10a
71°
11a
74°
12p
76°
1p
77°
2p
78°
3p
78°
4p
77°
5p
76°
6p
74°
7p
L 46°H 78°
Rockham, SD
7-day forecast
  1. Today
    May 16
    Mostly Clear
    75°39°
  2. Sunday
    May 17
    Heavy Rain
    50%
    65°49°
  3. Monday
    May 18
    Light Rain
    75%
    51°39°
  4. Tuesday
    May 19
    Overcast
    75%
    54°39°
  5. Wednesday
    May 20
    Showers
    69°35°
  6. Thursday
    May 21
    Light Drizzle
    19%
    64°48°
  7. Friday
    May 22
    Overcast
    25%
    74°48°
Rockham, SD
Anemometer · 24h winds · from true
NESW
From · True
NE
053° · veering 87°
Direction
NE
053°
Sustained
13
mph
Gust
28
mph
Peak 24h
28
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 28 @ 10:00p
−24h−18h−12h−6hnow
Sustained 13 mph with gusts pulsing to 28 — flags snap, branches bend.
Rockham, SD
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
959.2
0.0 mb in 3h · falling · 28.33 inHg
Now
959.2
mb
3h
0.0
mb
12h
-3.9
mb
24h
+1.0
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.
Rockham, SD
Air quality
48
AQI
Good
PM 2.5
5.1 μg/m³
PM 10
6.0 μg/m³
NO₂
0.9 μg/m³
Ozone
100.0 μg/m³
UV Index
0.1 Low
Rockham, SD
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:32 AM
Sunrise
6:04 AM
Daylight
14h 54m
Sunset
8:58 PM
Civil dusk
2:33 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Rockham, SD
The moon
New Moon
0% illuminated
Moonrise
11:04 AM
Moonset
2:36 AM
In sign
♉︎ Taurus
Rockham, SD
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 →

Rockham at a glance

  • Today vs. normal: 5°F below the seasonal normal for this latitude
  • Last frost: May 15 (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 Rockham

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.