Flood Warning — Brookings County, SD, Hamlin County, SD Flood Warning — Brookings County, SD

Sterling Township, South Dakota

Last updated: 10:59 PM CDT  ·  Refresh
23°C
Feels like 22°
Clear
▲ 32°  /  ▼ 15°
Wind
8 mph NW
Humidity
55%
Dew Point
14°
Pressure
28.11 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
1%
Sunrise
6:01 AM
Sunset
9:04 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Sterling Township is currently clear at 23°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:01AM · Sunset: 9:04PM.

52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
3%
11 PM
22°
7%
12 AM
21°
3%
1 AM
20°
3%
2 AM
19°
3%
3 AM
18°
3%
4 AM
18°
3%
5 AM
15°
17%
6 AM
15°
17%
7 AM
16°
3%
8 AM
17°
3%
9 AM
18°
3%
10 AM
19°
3%
11 AM
21°
3%
12 PM
22°
3%
1 PM
24°
3%
2 PM
24°
3%
3 PM
24°
3%
4 PM
24°
3%
5 PM
24°
3%
6 PM
24°
3%
7 PM
22°
3%
8 PM
21°
3%
9 PM
19°
3%
7-Day Forecast
Tonight
32° 15°
Clear.
Tue
26° 14°
Partly Cloudy.
Wed
27° 11°
Mostly Clear.
Thu
24° 10°
Overcast with a 57% chance of rain.
Fri
25° 11°
Overcast with a 26% chance of rain.
Sat
38° 13°
Clear.
Sun
39° 19°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 23° Clear 3% 8 mph NW 55%
11 PM 22° Clear 7% 9 mph NNW 55%
12 AM 21° Clear 3% 9 mph NNW 61%
1 AM 20° Clear 3% 9 mph NNW 68%
2 AM 19° Clear 3% 10 mph NNW 74%
3 AM 18° Clear 3% 10 mph NNW 79%
4 AM 18° Clear 3% 10 mph NNW 82%
5 AM 15° Partly Cloudy 17% 12 mph NNW 83%
6 AM 15° Partly Cloudy 17% 14 mph N 84%
7 AM 16° Partly Cloudy 3% 14 mph N 75%
8 AM 17° Mostly Clear 3% 15 mph N 66%
9 AM 18° Mostly Clear 3% 15 mph N 57%
10 AM 19° Mostly Clear 3% 16 mph NNW 50%
11 AM 21° Mostly Clear 3% 17 mph NNW 44%
12 PM 22° Mostly Clear 3% 18 mph NNW 37%
1 PM 24° Partly Cloudy 3% 17 mph NNW 35%
2 PM 24° Partly Cloudy 3% 17 mph NNW 33%
3 PM 24° Partly Cloudy 3% 16 mph NNW 31%
4 PM 24° Partly Cloudy 3% 16 mph N 32%
5 PM 24° Partly Cloudy 3% 15 mph N 33%
6 PM 24° Partly Cloudy 3% 14 mph N 34%
7 PM 22° Partly Cloudy 3% 13 mph N 39%
8 PM 21° Partly Cloudy 3% 11 mph N 44%
9 PM 19° Partly Cloudy 3% 10 mph N 50%
15-Day Forecast
Today
7/20
Clear
3%
15°
32°
Tue
7/21
Partly Cloudy
17%
14°
26°
Wed
7/22
Mostly Clear
3%
11°
27°
Thu
7/23
Overcast
57%
10°
24°
Fri
7/24
Overcast
26%
11°
25°
Sat
7/25
Clear
8%
13°
38°
Sun
7/26
Clear
19%
19°
39°
Mon
7/27
Clear
27%
17°
36°
Tue
7/28
Rain
68%
17°
33°
Wed
7/29
Drizzle
44%
16°
32°
Thu
7/30
Clear
60%
19°
31°
Fri
7/31
Clear
60%
19°
34°
Sat
8/1
Drizzle
60%
19°
33°
Sun
8/2
Drizzle
60%
18°
31°
Mon
8/3
Drizzle
60%
18°
32°
52
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
52 AQI 9.6 µg/m³
O3
Ground-level ozone
50 AQI 54 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 50 52
Wed 60 Moderate 38 60
Thu 51 Moderate 32 51
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Tue Jul 21, 02:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 100 110 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE2 J/kg
MUCAPE7 J/kg
SBCIN-7560 J/kg
MLCIN0 J/kg
Lifted Index2.6
Kinematics
0–6 km Shear70 kt
0–1 km Shear25 kt
Eff. Shear
0–1 km SRH-205
0–3 km SRH-237
Eff. SRH
Storm Motion282° @ 44 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado-0.0
STP (eff)
Supercell
K-Index19.4
Thermo & Levels
PWAT0.95 in
0–3 km LR5.1 °C/km
700–500 LR6.7 °C/km
Total Totals41.6
LCL833 hPa
LFC
EL
Freezing Lvl13,543 ft