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

Weather in Yankton, South Dakota

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

Yankton, SD
Sunday, May 17 at 4:56 AM
67
°
Overcast
Feels like
61°
Humidity
32%
Wind
7 mph
Sunrise
6:05 AM
Sunset
8:46 PM
Yankton, SD
Hour by hour · 24h
67°
11p
63°
12a
60°
1a
59°
2a
57°
3a
56°
4a
53°
5a
52°
6a
52°
7a
60°
8a
67°
9a
72°
10a
80°
11a
83°
12p
86°
1p
88°
2p
89°
3p
90°
4p
90°
5p
89°
6p
88°
7p
82°
8p
75°
9p
71°
10p
L 52°H 90°
Yankton, SD
7-day forecast
  1. Today
    May 16
    Overcast
    82°52°
  2. Sunday
    May 17
    Rain
    39%
    82°59°
  3. Monday
    May 18
    Light Rain
    70%
    57°47°
  4. Tuesday
    May 19
    Light Drizzle
    70%
    58°41°
  5. Wednesday
    May 20
    Overcast
    68°39°
  6. Thursday
    May 21
    Light Drizzle
    66°46°
  7. Friday
    May 22
    Drizzle
    23%
    68°55°
Yankton, SD
Anemometer · 24h winds · from true
NESW
From · True
NE
040° · veering 74°
Direction
NE
040°
Sustained
7
mph
Gust
13
mph
Peak 24h
30
avg 8
Beaufort · 2 · LIGHT 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 30 @ 3:00a
−24h−18h−12h−6hnow
Light breeze veering 74° from the ne.
Yankton, SD
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
960.0
-1.3 mb in 3h · falling rapidly · 28.35 inHg
Now
960.0
mb
3h
-1.3
mb
12h
-5.8
mb
24h
-2.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 957968
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Yankton, SD
Air quality
48
AQI
Good
PM 2.5
3.5 μg/m³
PM 10
4.0 μg/m³
NO₂
3.2 μg/m³
Ozone
91.0 μg/m³
UV Index
0.0 Low
Yankton, SD
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:34 AM
Sunrise
6:05 AM
Daylight
14h 41m
Sunset
8:46 PM
Civil dusk
2:20 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Yankton, SD
The moon
New Moon
0% illuminated
Moonrise
11:08 AM
Moonset
2:21 AM
In sign
♊︎ Gemini
Yankton, 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 →

Yankton at a glance

  • Today vs. normal: 67°F — typical for the season
  • Last frost: May 3 (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 Yankton

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.