Lanark, West Virginia

Last updated: 8:45 PM CDT · Refresh

23°C

Feels like 27°

Partly Cloudy

▲ 29° / ▼ 19°

Wind

4 mph SSW

Humidity

91%

Dew Point

21°

Pressure

27.74 inHg

Visibility

10 mi

UV Index

0.0

Cloud Cover

42%

Sunrise

6:40 AM

Sunset

8:17 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Lanark is currently partly cloudy at 23°C. Precipitation is likely — peak probability 81% around 9 PM. Atmospheric instability is elevated (CAPE up to 2179 J/kg) — isolated convective development possible. Sunrise: 6:40AM · Sunset: 8:17PM.

33 AQI · Good Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

23°

19%

10 PM

23°

36%

11 PM

22°

40%

12 AM

22°

53%

1 AM

21°

55%

2 AM

21°

58%

3 AM

21°

60%

4 AM

21°

60%

5 AM

20°

60%

6 AM

20°

69%

7 AM

21°

65%

8 AM

22°

57%

9 AM

23°

53%

10 AM

24°

54%

11 AM

26°

49%

12 PM

27°

52%

1 PM

29°

50%

2 PM

29°

44%

3 PM

29°

49%

4 PM

31°

49%

5 PM

28°

63%

6 PM

27°

68%

7 PM

27°

68%

8 PM

26°

72%

7-Day Forecast

Tonight

29° 19°

Partly Cloudy.

Sun

31° 19°

Partly Cloudy with a 80% chance of rain.

Mon

31° 19°

Overcast with a 74% chance of rain.

Tue

28° 16°

Mostly Cloudy with a 35% chance of rain.

Wed

31° 16°

Partly Cloudy with a 51% chance of rain.

Thu

29° 18°

Drizzle, 82% chance.

Fri

28° 17°

Rain, 64% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 23° Partly Cloudy 19% 4 mph SSW 91%

10 PM 23° Mostly Clear 36% 4 mph S 93%

11 PM 22° Mostly Clear 40% 5 mph S 94%

12 AM 22° Partly Cloudy 53% 5 mph S 95%

1 AM 21° Partly Cloudy 55% 4 mph S 95%

2 AM 21° Mostly Cloudy 58% 4 mph S 94%

3 AM 21° Overcast 60% 4 mph SSW 94%

4 AM 21° Overcast 60% 5 mph SW 95%

5 AM 20° Mostly Cloudy 60% 5 mph SW 95%

6 AM 20° Partly Cloudy 69% 5 mph SSW 96%

7 AM 21° Partly Cloudy 65% 5 mph SW 97%

8 AM 22° Partly Cloudy 57% 6 mph SW 92%

9 AM 23° Rain 53% 6 mph SW 84%

10 AM 24° Rain 54% 8 mph WSW 77%

11 AM 26° Partly Cloudy 49% 8 mph WSW 77%

12 PM 27° Partly Cloudy 52% 9 mph WSW 71%

1 PM 29° Mostly Cloudy 50% 9 mph W 65%

2 PM 29° Mostly Cloudy 44% 9 mph W 63%

3 PM 29° Mostly Cloudy 49% 9 mph W 62%

4 PM 31° Heavy Rain 49% 9 mph W 61%

5 PM 28° Heavy Rain 63% 8 mph W 64%

6 PM 27° Partly Cloudy 68% 7 mph WSW 68%

7 PM 27° Partly Cloudy 68% 6 mph WSW 73%

8 PM 26° Partly Cloudy 72% 5 mph WSW 77%

15-Day Forecast

Today

8/15

Partly Cloudy

19%

19°

29°

Sun

8/16

Partly Cloudy

80%

19°

31°

Mon

8/17

Overcast

74%

19°

31°

Tue

8/18

Mostly Cloudy

35%

16°

28°

Wed

8/19

Partly Cloudy

51%

16°

31°

Thu

8/20

Drizzle

82%

18°

29°

Fri

8/21

Rain

64%

17°

28°

Sat

8/22

Rain

48%

17°

28°

Sun

8/23

Rain

68%

16°

28°

Mon

8/24

Drizzle

44%

16°

30°

Tue

8/25

Rain

64%

17°

31°

Wed

8/26

Drizzle

60%

18°

30°

Thu

8/27

Drizzle

60%

17°

30°

Fri

8/28

Drizzle

60%

16°

29°

Sat

8/29

Drizzle

60%

16°

29°

Good

U.S. Air Quality Index · Dominant: PM2.5

50 100 150 200

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

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

Dominant

33 AQI 6.0 µg/m³

O₃

Ground-level ozone

32 AQI 35 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 33 Good 32 33

Mon 46 Good 32 46

Tue 34 Good 34 25

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 15, 23:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE889 J/kg

MLCAPE622 J/kg

MUCAPE1056 J/kg

SBCIN-66 J/kg

MLCIN-56 J/kg

Lifted Index-2.8

Kinematics

0–6 km Shear21 kt

0–1 km Shear1 kt

Eff. Shear25 kt

0–1 km SRH1

0–3 km SRH49

Eff. SRH49

Storm Motion345° @ 17 kt

0–1 km EHI0.0

Composite Parameters

Sig. Tornado0.0

STP (eff)0.1

Supercell0.7

K-Index38.1

Thermo & Levels

PWAT1.89 in

0–3 km LR5.3 °C/km

700–500 LR5.4 °C/km

Total Totals44.6

LCL916 hPa

LFC758 hPa

EL171 hPa

Freezing Lvl13,934 ft

Lanark, West Virginia

Alerts