Hand County, South Dakota, United States

Last updated: 11:28 PM CDT · Refresh

23°C

Feels like 23°

Overcast

▲ 29° / ▼ 16°

Wind

14 mph SSE

Humidity

91%

Dew Point

20°

Pressure

28.20 inHg

Visibility

10 mi

UV Index

0.0

Cloud Cover

88%

Sunrise

6:54 AM

Sunset

8:19 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Hand County is currently overcast at 23°C. Precipitation is likely — peak probability 90% around 11 PM. Atmospheric instability is elevated (CAPE up to 1906 J/kg) — isolated convective development possible. Sunrise: 6:54AM · Sunset: 8:19PM.

41 AQI · Good Dominant: O3 Air Quality

Hourly Forecast · Next 24 Hours

Now

23°

90%

12 AM

21°

62%

1 AM

21°

43%

2 AM

21°

43%

3 AM

20°

30%

4 AM

19°

20%

5 AM

19°

20%

6 AM

17°

7 AM

17°

8 AM

18°

9 AM

19°

10 AM

21°

11 AM

22°

12 PM

24°

1 PM

26°

2 PM

27°

3 PM

28°

4 PM

28°

5 PM

28°

6 PM

28°

7 PM

28°

8 PM

27°

9 PM

26°

10 PM

23°

20%

7-Day Forecast

Tonight

29° 16°

Overcast with a 90% chance of rain.

Sat

29° 17°

Mostly Cloudy with a 43% chance of rain.

Sun

34° 17°

Partly Cloudy.

Mon

31° 16°

Partly Cloudy with a 58% chance of rain.

Tue

28° 17°

Drizzle, 50% chance.

Wed

34° 13°

Clear.

Thu

36° 18°

Clear.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 23° Overcast 90% 14 mph SSE 91%

12 AM 21° Mostly Cloudy 62% 13 mph SE 92%

1 AM 21° Partly Cloudy 43% 14 mph SE 92%

2 AM 21° Partly Cloudy 43% 14 mph SE 91%

3 AM 20° Partly Cloudy 30% 12 mph SE 90%

4 AM 19° Partly Cloudy 20% 11 mph SE 91%

5 AM 19° Mostly Cloudy 20% 8 mph SSE 92%

6 AM 17° Mostly Cloudy 7% 5 mph SSE 92%

7 AM 17° Mostly Cloudy 3% 4 mph SE 92%

8 AM 18° Mostly Cloudy 3% 4 mph E 88%

9 AM 19° Mostly Cloudy 3% 5 mph ENE 84%

10 AM 21° Overcast 3% 5 mph NE 79%

11 AM 22° Mostly Cloudy 3% 5 mph NNE 73%

12 PM 24° Partly Cloudy 3% 6 mph NNE 67%

1 PM 26° Mostly Clear 5% 6 mph NNE 62%

2 PM 27° Partly Cloudy 5% 6 mph NNE 58%

3 PM 28° Mostly Cloudy 9% 5 mph NE 54%

4 PM 28° Mostly Cloudy 9% 5 mph NE 52%

5 PM 28° Mostly Cloudy 9% 5 mph NE 53%

6 PM 28° Mostly Cloudy 9% 5 mph NE 54%

7 PM 28° Overcast 9% 5 mph NE 56%

8 PM 27° Mostly Cloudy 9% 5 mph ENE 60%

9 PM 26° Mostly Cloudy 9% 5 mph ENE 64%

10 PM 23° Mostly Cloudy 20% 5 mph ENE 66%

15-Day Forecast

Today

8/28

Overcast

90%

16°

29°

Sat

8/29

Mostly Cloudy

43%

17°

29°

Sun

8/30

Partly Cloudy

17°

34°

Mon

8/31

Partly Cloudy

58%

16°

31°

Tue

9/1

Drizzle

50%

17°

28°

Wed

9/2

Clear

16%

13°

34°

Thu

9/3

Clear

17%

18°

36°

Fri

9/4

Rain

27%

19°

35°

Sat

9/5

Clear

68%

16°

32°

Sun

9/6

Drizzle

68%

17°

29°

Mon

9/7

Clear

25%

18°

34°

Tue

9/8

Clear

25%

18°

33°

Wed

9/9

Drizzle

60%

18°

31°

Thu

9/10

Clear

60%

17°

29°

Fri

9/11

Drizzle

60%

16°

27°

Good

U.S. Air Quality Index · Dominant: O3

50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

39 AQI 7.1 µg/m³

O₃

Ground-level ozone

Dominant

41 AQI 44 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 41 Good 41 39

Sun 49 Good 38 49

Mon 54 Moderate 35 54

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. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Sat Aug 29, 03:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE946 J/kg

MLCAPE1711 J/kg

MUCAPE2558 J/kg

SBCIN-266 J/kg

MLCIN-155 J/kg

Lifted Index-3.1

Kinematics

0–6 km Shear41 kt

0–1 km Shear28 kt

Eff. Shear40 kt

0–1 km SRH229

0–3 km SRH416

Eff. SRH391

Storm Motion291° @ 16 kt

0–1 km EHI1.4

Composite Parameters

Sig. Tornado1.0

STP (eff)0.9

Supercell20.6

K-Index42.6

Thermo & Levels

PWAT2.16 in

0–3 km LR5.2 °C/km

700–500 LR6.5 °C/km

Total Totals52.9

LCL911 hPa

LFC682 hPa

EL174 hPa

Freezing Lvl13,386 ft

Hand County, South Dakota, United States

Alerts