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

Sterling Township, South Dakota

Last updated: 9:03 AM CDT  ·  Refresh
27°C
Feels like 28°
Mostly Clear
▲ 36°  /  ▼ 15°
Wind
8 mph WSW
Humidity
66%
Dew Point
21°
Pressure
28.03 inHg
Visibility
10 mi
UV Index
6.3
Cloud Cover
22%
Sunrise
6:01 AM
Sunset
9:04 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Sterling Township is currently mostly clear at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1679 J/kg) — isolated convective development possible. Sunrise: 6:01AM · Sunset: 9:04PM.

Alerts

Flood Warning
Brookings County, SD, Hamlin County, SD
Expires
Flood Warning
Brookings County, SD
Expires
53 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
7%
10 AM
27°
19%
11 AM
28°
30%
12 PM
29°
7%
1 PM
30°
3%
2 PM
32°
3%
3 PM
32°
3%
4 PM
33°
3%
5 PM
32°
6%
6 PM
33°
6%
7 PM
32°
11%
8 PM
29°
6%
9 PM
27°
6%
10 PM
24°
3%
11 PM
23°
3%
12 AM
22°
3%
1 AM
21°
3%
2 AM
20°
3%
3 AM
19°
3%
4 AM
18°
3%
5 AM
18°
3%
6 AM
16°
3%
7 AM
15°
3%
8 AM
16°
3%
7-Day Forecast
Today
36° 15°
Clear.
Tue
27° 15°
Mostly Clear.
Wed
27° 9°
Mostly Clear.
Thu
24° 11°
Mostly Cloudy with a 58% chance of rain.
Fri
26° 11°
Clear with a 30% chance of rain.
Sat
39° 14°
Clear.
Sun
39° 19°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 27° Mostly Clear 7% 8 mph WSW 66%
10 AM 27° Mostly Clear 19% 11 mph WNW 54%
11 AM 28° Mostly Clear 30% 12 mph NW 48%
12 PM 29° Mostly Clear 7% 14 mph NNW 42%
1 PM 30° Mostly Clear 3% 14 mph NNW 34%
2 PM 32° Clear 3% 15 mph NNW 30%
3 PM 32° Clear 3% 16 mph NW 25%
4 PM 33° Clear 3% 17 mph NW 21%
5 PM 32° Clear 6% 17 mph NW 22%
6 PM 33° Clear 6% 16 mph NW 23%
7 PM 32° Clear 11% 15 mph NW 25%
8 PM 29° Clear 6% 12 mph NW 33%
9 PM 27° Clear 6% 10 mph NW 41%
10 PM 24° Mostly Clear 3% 8 mph NW 48%
11 PM 23° Partly Cloudy 3% 9 mph NNW 53%
12 AM 22° Mostly Clear 3% 10 mph NNW 58%
1 AM 21° Mostly Clear 3% 10 mph NNW 62%
2 AM 20° Mostly Clear 3% 10 mph NNW 69%
3 AM 19° Mostly Clear 3% 10 mph NNW 75%
4 AM 18° Mostly Clear 3% 10 mph NNW 81%
5 AM 18° Mostly Clear 3% 10 mph NNW 82%
6 AM 16° Mostly Clear 3% 10 mph NNW 83%
7 AM 15° Mostly Clear 3% 11 mph NNW 84%
8 AM 16° Clear 3% 12 mph NNW 75%
15-Day Forecast
Today
7/20
Clear
7%
15°
36°
Tue
7/21
Mostly Clear
3%
15°
27°
Wed
7/22
Mostly Clear
3%
9°
27°
Thu
7/23
Mostly Cloudy
58%
11°
24°
Fri
7/24
Clear
30%
11°
26°
Sat
7/25
Clear
17%
14°
39°
Sun
7/26
Clear
17%
19°
39°
Mon
7/27
Clear
8%
19°
37°
Tue
7/28
Drizzle
68%
19°
35°
Wed
7/29
Rain
42%
17°
36°
Thu
7/30
Drizzle
60%
19°
36°
Fri
7/31
Clear
60%
19°
34°
Sat
8/1
Clear
60%
19°
33°
Sun
8/2
Drizzle
60%
17°
32°
Mon
8/3
Drizzle
60%
18°
32°
53
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
53 AQI 10.3 µg/m³
O3
Ground-level ozone
46 AQI 51 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Tue 53 Moderate 46 53
Wed 59 Moderate 40 59
Thu 51 Moderate 31 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 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Mon Jul 20, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1570 J/kg
MLCAPE930 J/kg
MUCAPE1670 J/kg
SBCIN-360 J/kg
MLCIN0 J/kg
Lifted Index-6.0
Kinematics
0–6 km Shear42 kt
0–1 km Shear20 kt
Eff. Shear22 kt
0–1 km SRH77
0–3 km SRH88
Eff. SRH-38
Storm Motion261° @ 35 kt
0–1 km EHI0.8
Composite Parameters
Sig. Tornado0.7
STP (eff)0.0
Supercell0.0
K-Index33.6
Thermo & Levels
PWAT1.45 in
0–3 km LR5.3 °C/km
700–500 LR7.6 °C/km
Total Totals52.0
LCL869 hPa
LFC654 hPa
EL186 hPa
Freezing Lvl14,026 ft