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Weather in De Smet, South Dakota

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

De Smet, SD
Sunday, May 17 at 4:51 AM
54
°
Overcast
Feels like
43°
Humidity
40%
Wind
16 mph
Sunrise
6:01 AM
Sunset
8:51 PM
De Smet, SD
Hour by hour · 24h
60°
11p
56°
12a
54°
1a
52°
2a
52°
3a
50°
4a
50°
5a
49°
6a
50°
7a
56°
8a
64°
9a
68°
10a
72°
11a
74°
12p
76°
1p
76°
2p
77°
3p
78°
4p
77°
5p
76°
6p
73°
7p
71°
8p
66°
9p
61°
10p
L 49°H 78°
De Smet, SD
7-day forecast
  1. Today
    May 16
    Overcast
    —
    75°43°
  2. Sunday
    May 17
    Heavy Rain
    64%
    70°52°
  3. Monday
    May 18
    Light Showers
    69%
    52°42°
  4. Tuesday
    May 19
    Light Rain
    62%
    49°39°
  5. Wednesday
    May 20
    Overcast
    —
    64°35°
  6. Thursday
    May 21
    Overcast
    24%
    65°47°
  7. Friday
    May 22
    Light Drizzle
    22%
    68°53°
De Smet, SD
Next 24 hours · Cool now
40°63°85°12a6a12p6pnow 60°high 78°low 49°
De Smet, SD
Anemometer · 24h winds · from true
NESW
From · True
ENE
064° · veering 33°
Direction
ENE
064°
Sustained
16
mph
Gust
35
mph
Peak 24h
39
avg 11
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 11 · pk 39 @ 4:00a
−24h−18h−12h−6hnow
Sustained 16 mph with gusts pulsing to 35 — flags snap, branches bend.
De Smet, SD
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
946.4
+1.3 mb in 3h · falling · 27.95 inHg
Now
946.4
mb
3h
+1.3
mb
12h
-5.2
mb
24h
-0.7
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 944–952
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
De Smet, SD
Air quality
47
AQI
Good
PM 2.5
3.5 μg/m³
PM 10
3.9 μg/m³
NO₂
2.1 μg/m³
Ozone
82.0 μg/m³
UV Index
0.0 Low
De Smet, SD
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:29 AM
Sunrise
6:01 AM
Daylight
14h 50m
Sunset
8:51 PM
Civil dusk
2:26 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
De Smet, SD
The moon
New Moon
0% illuminated
Moonrise
11:01 AM
Moonset
2:28 AM
In sign
♊︎ Gemini
De Smet, 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 →

De Smet at a glance

  • Today vs. normal: 13°F below the seasonal normal for this latitude
  • Last frost: May 12 (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).

All cities in South Dakota →

ZIP codes in De Smet

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.