Weather in Erwin, South Dakota
Roses Bloom Along the Shelter Rows. Day 59 of spring. Read this microseason across nine climate regions →
Erwin, SD
Sunday, May 17 at 4:03 AM
59
°
Overcast
Feels like
47°
Humidity
31%
Wind
18 mph
Sunrise
6:00 AM
Sunset
8:51 PM
Erwin, SD
Hour by hour · 24h
63°
11p
60°
12a
57°
1a
54°
2a
53°
3a
54°
4a
52°
5a
51°
6a
53°
7a
60°
8a
68°
9a
72°
10a
75°
11a
78°
12p
79°
1p
80°
2p
80°
3p
81°
4p
81°
5p
80°
6p
79°
7p
77°
8p
71°
9p
66°
10p
Erwin, SD
7-day forecast
- TodayMay 16Overcast—77°47°
- SundayMay 17Rain60%72°53°
- MondayMay 18Light Showers68%51°42°
- TuesdayMay 19Heavy Drizzle65%48°38°
- WednesdayMay 20Partly Cloudy—64°34°
- ThursdayMay 21Overcast25%65°46°
- FridayMay 22Light Drizzle23%66°53°
Erwin, SD
Next 24 hours · Cool now
Erwin, SD
Anemometer · 24h winds · from true
From · True
ENE
061° · veering 43°
Direction
ENE
061°
Sustained
18
mph
Gust
32
mph
Peak 24h
43
avg 12
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
−24h−18h−12h−6hnow
Erwin, 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
Erwin, SD
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:28 AM
Sunrise
6:00 AM
Daylight
14h 51m
Sunset
8:51 PM
Civil dusk
2:26 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Erwin, SD
The moon
New Moon
0% illuminated
- Moonrise
- 11:00 AM
- Moonset
- 2:28 AM
- In sign
- ♊︎ Gemini
Erwin, SD
Microseason · 28 of 72
May 16–20
Roses Bloom Along the Shelter Rows
plant
Erwin at a glance
- Today vs. normal: 8°F below the seasonal normal for this latitude
- Last frost: May 13 (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).