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

Weather in Delmont, South Dakota

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

Delmont, SD
Sunday, May 17 at 3:53 AM
64
°
Overcast
Feels like
56°
Humidity
37%
Wind
13 mph
Sunrise
6:07 AM
Sunset
8:50 PM
Delmont, SD
Hour by hour · 24h
65°
10p
63°
11p
60°
12a
56°
1a
55°
2a
54°
3a
54°
4a
51°
5a
50°
6a
50°
7a
56°
8a
62°
9a
69°
10a
75°
11a
76°
12p
79°
1p
80°
2p
81°
3p
83°
4p
83°
5p
81°
6p
78°
7p
72°
8p
68°
9p
L 50°H 83°
Delmont, SD
7-day forecast
  1. Today
    May 16
    Overcast
    13%
    78°48°
  2. Sunday
    May 17
    Heavy Rain
    40%
    74°54°
  3. Monday
    May 18
    Drizzle
    76%
    53°43°
  4. Tuesday
    May 19
    Light Drizzle
    58%
    59°41°
  5. Wednesday
    May 20
    Overcast
    68°38°
  6. Thursday
    May 21
    Overcast
    65°46°
  7. Friday
    May 22
    Light Drizzle
    22%
    71°52°
Delmont, SD
Anemometer · 24h winds · from true
NESW
From · True
ENE
070° · steady
Direction
ENE
070°
Sustained
13
mph
Gust
24
mph
Peak 24h
35
avg 9
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 9 · pk 35 @ 2:00a
−24h−18h−12h−6hnow
Sustained 13 mph with gusts pulsing to 24 — flags snap, branches bend.
Delmont, SD
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
951.2
-1.1 mb in 3h · falling rapidly · 28.09 inHg
Now
951.2
mb
3h
-1.1
mb
12h
-7.1
mb
24h
-2.5
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 949959
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Delmont, SD
Air quality
61
AQI
Moderate
PM 2.5
4.0 μg/m³
PM 10
4.8 μg/m³
NO₂
2.6 μg/m³
Ozone
92.0 μg/m³
UV Index
0.0 Low
Delmont, SD
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:36 AM
Sunrise
6:07 AM
Daylight
14h 43m
Sunset
8:50 PM
Civil dusk
2:24 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Delmont, SD
The moon
New Moon
0% illuminated
Moonrise
11:09 AM
Moonset
2:26 AM
In sign
♊︎ Gemini
Delmont, 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 →

Delmont at a glance

  • Today vs. normal: 4°F below the seasonal normal for this latitude
  • Last frost: May 6 (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 Delmont

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.