Severe Thunderstorm Watch 9:00 PM Severe Thunderstorm Watch 9:00 PM

McLean County, Kentucky, United States

Last updated: 8:37 PM CDT  ·  Refresh
27°C
Feels like 31°
Partly Cloudy
▲ 33°  /  ▼ 20°
Wind
6 mph NW
Humidity
87%
Dew Point
24°
Pressure
29.39 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
43%
Sunrise
5:44 AM
Sunset
8:06 PM
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WeatherAI™ Analysis

WeatherAI Analysis: McLean County is currently partly cloudy at 27°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1675 J/kg) — isolated convective development possible. Sunrise: 5:44AM · Sunset: 8:06PM.

Alerts

Severe Thunderstorm Watch
Expires 9:00 PM
Severe Thunderstorm Watch
Expires 9:00 PM
54 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
27%
9 PM
26°
10%
10 PM
25°
7%
11 PM
24°
7%
12 AM
23°
3%
1 AM
22°
3%
2 AM
22°
3%
3 AM
21°
3%
4 AM
21°
4%
5 AM
20°
5%
6 AM
20°
5%
7 AM
21°
5%
8 AM
22°
5%
9 AM
24°
15%
10 AM
25°
24%
11 AM
26°
14%
12 PM
26°
14%
1 PM
28°
14%
2 PM
27°
15%
3 PM
28°
15%
4 PM
27°
3%
5 PM
27°
3%
6 PM
26°
3%
7 PM
26°
3%
7-Day Forecast
Tonight
33° 20°
Partly Cloudy with a 27% chance of rain.
Wed
29° 17°
Partly Cloudy.
Thu
27° 14°
Mostly Clear.
Fri
23° 16°
Mostly Cloudy with a 44% chance of rain.
Sat
29° 18°
Mostly Cloudy with a 27% chance of rain.
Sun
33° 22°
Thunderstorm, 55% chance.
Mon
34° 23°
Clear with a 52% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 27° Partly Cloudy 27% 6 mph NW 87%
9 PM 26° Partly Cloudy 10% 3 mph NW 89%
10 PM 25° Partly Cloudy 7% 4 mph NW 89%
11 PM 24° Mostly Clear 7% 5 mph NNW 89%
12 AM 23° Mostly Clear 3% 6 mph NNW 90%
1 AM 22° Clear 3% 6 mph NNW 91%
2 AM 22° Clear 3% 6 mph NNW 92%
3 AM 21° Clear 3% 5 mph NNW 92%
4 AM 21° Clear 4% 6 mph NNW 92%
5 AM 20° Clear 5% 6 mph NNW 93%
6 AM 20° Mostly Clear 5% 7 mph NNW 93%
7 AM 21° Mostly Clear 5% 7 mph N 91%
8 AM 22° Mostly Clear 5% 7 mph NNE 86%
9 AM 24° Mostly Clear 15% 8 mph NNE 82%
10 AM 25° Partly Cloudy 24% 9 mph NNE 78%
11 AM 26° Partly Cloudy 14% 9 mph NNE 75%
12 PM 26° Partly Cloudy 14% 10 mph NNE 72%
1 PM 28° Partly Cloudy 14% 10 mph NNE 70%
2 PM 27° Mostly Cloudy 15% 10 mph NNE 69%
3 PM 28° Mostly Cloudy 15% 11 mph NNE 69%
4 PM 27° Mostly Cloudy 3% 11 mph NNE 70%
5 PM 27° Partly Cloudy 3% 10 mph NNE 71%
6 PM 26° Partly Cloudy 3% 10 mph NNE 73%
7 PM 26° Partly Cloudy 3% 10 mph NNE 74%
15-Day Forecast
Today
7/21
Partly Cloudy
27%
20°
33°
Wed
7/22
Partly Cloudy
15%
17°
29°
Thu
7/23
Mostly Clear
3%
14°
27°
Fri
7/24
Mostly Cloudy
44%
16°
23°
Sat
7/25
Mostly Cloudy
27%
18°
29°
Sun
7/26
Thunderstorm
55%
22°
33°
Mon
7/27
Clear
52%
23°
34°
Tue
7/28
Clear
53%
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 Tue Jul 21, 23:00'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
SBCAPE1385 J/kg
MLCAPE759 J/kg
MUCAPE1947 J/kg
SBCIN-106 J/kg
MLCIN0 J/kg
Lifted Index-2.2
Kinematics
0–6 km Shear42 kt
0–1 km Shear14 kt
Eff. Shear48 kt
0–1 km SRH-114
0–3 km SRH-110
Eff. SRH-110
Storm Motion268° @ 31 kt
0–1 km EHI-1.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index13.6
Thermo & Levels
PWAT1.69 in
0–3 km LR5.4 °C/km
700–500 LR5.1 °C/km
Total Totals41.1
LCL943 hPa
LFC849 hPa
EL159 hPa
Freezing Lvl17,054 ft