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

Weather in Ideal, South Dakota

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

Ideal, SD
Sunday, May 17 at 1:47 AM
70
°
Clear
Feels like
64°
Humidity
32%
Wind
8 mph
Sunrise
6:13 AM
Sunset
8:58 PM
Ideal, SD
Hour by hour · 24h
77°
8p
72°
9p
65°
10p
60°
11p
56°
12a
55°
1a
53°
2a
53°
3a
51°
4a
50°
5a
48°
6a
48°
7a
54°
8a
61°
9a
67°
10a
72°
11a
76°
12p
78°
1p
78°
2p
80°
3p
81°
4p
81°
5p
79°
6p
79°
7p
L 48°H 81°
Ideal, SD
7-day forecast
  1. Today
    May 16
    Overcast
    80°45°
  2. Sunday
    May 17
    Heavy Rain
    38%
    69°49°
  3. Monday
    May 18
    Drizzle
    75%
    49°39°
  4. Tuesday
    May 19
    Overcast
    65%
    61°37°
  5. Wednesday
    May 20
    Overcast
    70°40°
  6. Thursday
    May 21
    Drizzle
    22%
    67°49°
  7. Friday
    May 22
    Partly Cloudy
    28%
    77°48°
Ideal, SD
Anemometer · 24h winds · from true
NESW
From · True
E
090° · veering 133°
Direction
E
090°
Sustained
8
mph
Gust
14
mph
Peak 24h
23
avg 9
Beaufort · 3 · GENTLE 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 23 @ 7:00p
−24h−18h−12h−6hnow
Light breeze veering 133° from the e.
Ideal, SD
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
939.9
+0.2 mb in 3h · falling rapidly · 27.76 inHg
Now
939.9
mb
3h
+0.2
mb
12h
-5.5
mb
24h
-0.5
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 937946
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Ideal, SD
Air quality
54
AQI
Moderate
PM 2.5
4.3 μg/m³
PM 10
5.4 μg/m³
NO₂
1.0 μg/m³
Ozone
104.0 μg/m³
UV Index
0.1 Low
Ideal, SD
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:42 AM
Sunrise
6:13 AM
Daylight
14h 45m
Sunset
8:58 PM
Civil dusk
2:32 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Ideal, SD
The moon
New Moon
0% illuminated
Moonrise
11:15 AM
Moonset
2:35 AM
In sign
♉︎ Taurus
Ideal, 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 →

Ideal at a glance

  • Today vs. normal: 70°F — typical for the season
  • 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 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 Ideal

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.