McLean County, Kentucky, United States

Last updated: 10:08 PM CDT  ·  Refresh
26°C
Feels like 30°
Partly Cloudy
▲ 33°  /  ▼ 20°
Wind
5 mph NNW
Humidity
88%
Dew Point
23°
Pressure
29.42 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
32%
Sunrise
5:44 AM
Sunset
8:06 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: McLean County is currently partly cloudy at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 729 J/kg) — isolated convective development possible. Sunrise: 5:44AM · Sunset: 8:06PM.

Alerts

No active alerts for this location.
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
3%
11 PM
25°
7%
12 AM
24°
3%
1 AM
23°
3%
2 AM
22°
3%
3 AM
22°
3%
4 AM
21°
4%
5 AM
20°
4%
6 AM
20°
4%
7 AM
21°
5%
8 AM
22°
5%
9 AM
23°
5%
10 AM
25°
13%
11 AM
26°
14%
12 PM
26°
14%
1 PM
28°
14%
2 PM
28°
14%
3 PM
28°
14%
4 PM
28°
3%
5 PM
28°
3%
6 PM
27°
3%
7 PM
27°
3%
8 PM
26°
3%
9 PM
22°
3%
7-Day Forecast
Tonight
33° 20°
Partly Cloudy.
Wed
29° 17°
Partly Cloudy.
Thu
27° 14°
Mostly Clear.
Fri
23° 16°
Mostly Cloudy with a 44% chance of rain.
Sat
29° 18°
Clear with a 29% chance of rain.
Sun
33° 22°
Thunderstorm, 51% chance.
Mon
34° 23°
Thunderstorm, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Partly Cloudy 3% 5 mph NNW 88%
11 PM 25° Mostly Clear 7% 5 mph NNW 89%
12 AM 24° Clear 3% 6 mph NNW 90%
1 AM 23° Clear 3% 6 mph NNW 91%
2 AM 22° Clear 3% 5 mph NNW 92%
3 AM 22° Clear 3% 5 mph NNW 92%
4 AM 21° Clear 4% 5 mph NNW 93%
5 AM 20° Clear 4% 5 mph NNW 94%
6 AM 20° Mostly Clear 4% 6 mph NNW 94%
7 AM 21° Mostly Clear 5% 6 mph NNW 93%
8 AM 22° Mostly Clear 5% 7 mph N 88%
9 AM 23° Partly Cloudy 5% 7 mph NNE 84%
10 AM 25° Partly Cloudy 13% 8 mph NNE 80%
11 AM 26° Partly Cloudy 14% 8 mph N 76%
12 PM 26° Mostly Cloudy 14% 9 mph N 72%
1 PM 28° Mostly Cloudy 14% 9 mph N 69%
2 PM 28° Mostly Cloudy 14% 10 mph N 68%
3 PM 28° Mostly Cloudy 14% 10 mph N 66%
4 PM 28° Mostly Cloudy 3% 11 mph N 66%
5 PM 28° Mostly Cloudy 3% 10 mph N 68%
6 PM 27° Partly Cloudy 3% 10 mph N 70%
7 PM 27° Partly Cloudy 3% 10 mph N 72%
8 PM 26° Partly Cloudy 3% 10 mph NNE 72%
9 PM 22° Mostly Cloudy 3% 10 mph NNE 72%
15-Day Forecast
Today
7/21
Partly Cloudy
3%
20°
33°
Wed
7/22
Partly Cloudy
14%
17°
29°
Thu
7/23
Mostly Clear
3%
14°
27°
Fri
7/24
Mostly Cloudy
44%
16°
23°
Sat
7/25
Clear
29%
18°
29°
Sun
7/26
Thunderstorm
51%
22°
33°
Mon
7/27
Thunderstorm
52%
23°
34°
Tue
7/28
Clear
31%
19°
31°
Wed
7/29
Drizzle
44%
18°
29°
Thu
7/30
Drizzle
44%
16°
29°
Fri
7/31
Clear
36%
16°
29°
Sat
8/1
Drizzle
60%
18°
29°
Sun
8/2
Clear
60%
19°
31°
Mon
8/3
Drizzle
60%
19°
31°
Tue
8/4
Drizzle
60%
20°
31°
54
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
54 AQI 10.5 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 54 Moderate 31 54
Thu 41 Good 31 41
Fri 41 Good 41 37
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 Wed Jul 22, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE504 J/kg
MLCAPE11 J/kg
MUCAPE504 J/kg
SBCIN-140 J/kg
MLCIN0 J/kg
Lifted Index-0.8
Kinematics
0–6 km Shear39 kt
0–1 km Shear15 kt
Eff. Shear43 kt
0–1 km SRH-119
0–3 km SRH-107
Eff. SRH-107
Storm Motion268° @ 28 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index11.5
Thermo & Levels
PWAT1.40 in
0–3 km LR5.1 °C/km
700–500 LR4.9 °C/km
Total Totals37.1
LCL949 hPa
LFC830 hPa
EL182 hPa
Freezing Lvl17,057 ft