Louisville, Tennessee

Last updated: 12:30 AM CDT  ·  Refresh
18°C
Feels like 19°
Mostly Cloudy
▲ 19°  /  ▼ 13°
Wind
5 mph NE
Humidity
96%
Dew Point
17°
Pressure
28.92 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
82%
Sunrise
7:39 AM
Sunset
7:05 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Louisville is currently mostly cloudy at 18°C. Precipitation is likely — peak probability 81% around 1 AM. Sunrise: 7:39AM · Sunset: 7:05PM.

Alerts

No active alerts for this location.
38 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
18°
81%
2 AM
18°
55%
3 AM
18°
47%
4 AM
18°
48%
5 AM
18°
49%
6 AM
16°
40%
7 AM
16°
38%
8 AM
16°
38%
9 AM
16°
43%
10 AM
16°
54%
11 AM
16°
67%
12 PM
16°
35%
1 PM
16°
46%
2 PM
18°
49%
3 PM
18°
48%
4 PM
18°
46%
5 PM
18°
38%
6 PM
19°
30%
7 PM
18°
22%
8 PM
18°
9%
9 PM
18°
10%
10 PM
17°
10%
11 PM
17°
7%
12 AM
17°
4%
7-Day Forecast
Today
19° 13°
Overcast with a 81% chance of rain.
Mon
28° 13°
Partly Cloudy.
Tue
31° 14°
Clear.
Wed
32° 17°
Partly Cloudy.
Thu
31° 18°
Clear.
Fri
30° 11°
Partly Cloudy with a 32% chance of rain.
Sat
18° 2°
Clear with a 21% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 18° Mostly Cloudy 81% 5 mph NE 96%
2 AM 18° Mostly Cloudy 55% 3 mph NE 96%
3 AM 18° Mostly Cloudy 47% 2 mph N 96%
4 AM 18° Mostly Cloudy 48% 3 mph WSW 96%
5 AM 18° Overcast 49% 5 mph WSW 95%
6 AM 16° Overcast 40% 5 mph WSW 94%
7 AM 16° Mostly Cloudy 38% 6 mph SW 94%
8 AM 16° Mostly Cloudy 38% 7 mph SW 93%
9 AM 16° Overcast 43% 8 mph SW 91%
10 AM 16° Overcast 54% 10 mph SW 90%
11 AM 16° Overcast 67% 10 mph SW 90%
12 PM 16° Overcast 35% 10 mph SW 90%
1 PM 16° Overcast 46% 10 mph SW 89%
2 PM 18° Overcast 49% 10 mph SW 89%
3 PM 18° Overcast 48% 10 mph WSW 88%
4 PM 18° Overcast 46% 10 mph WSW 87%
5 PM 18° Overcast 38% 10 mph WSW 88%
6 PM 19° Overcast 30% 9 mph WSW 89%
7 PM 18° Overcast 22% 8 mph WSW 90%
8 PM 18° Overcast 9% 8 mph WSW 90%
9 PM 18° Overcast 10% 8 mph WSW 91%
10 PM 17° Mostly Cloudy 10% 7 mph WSW 92%
11 PM 17° Mostly Cloudy 7% 7 mph SW 93%
12 AM 17° Mostly Cloudy 4% 7 mph SW 94%
15-Day Forecast
Today
10/11
Overcast
81%
13°
19°
Mon
10/12
Partly Cloudy
5%
13°
28°
Tue
10/13
Clear
3%
14°
31°
Wed
10/14
Partly Cloudy
15%
17°
32°
Thu
10/15
Clear
15%
18°
31°
Fri
10/16
Partly Cloudy
32%
11°
30°
Sat
10/17
Clear
21%
2°
18°
Sun
10/18
Mostly Clear
34%
1°
14°
Mon
10/19
Partly Cloudy
35%
0°
18°
Tue
10/20
Overcast
19%
3°
21°
Wed
10/21
Drizzle
60%
5°
23°
Thu
10/22
Clear
25%
7°
22°
Fri
10/23
Drizzle
60%
6°
21°
Sat
10/24
Clear
60%
6°
22°
Sun
10/25
Drizzle
60%
7°
22°
38
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
PM2.5
Fine particulate matter
16 AQI 2.9 µg/m³
O3
Ground-level ozone
Dominant
38 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 38 Good 38 16
Mon 31 Good 31 8
Tue 44 Good 44 38
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 Sun Oct 11, 04:00'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
SBCAPE0 J/kg
MLCAPE11 J/kg
MUCAPE332 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index2.9
Kinematics
0–6 km Shear69 kt
0–1 km Shear26 kt
Eff. Shear35 kt
0–1 km SRH211
0–3 km SRH304
Eff. SRH154
Storm Motion196° @ 41 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.9
K-Index39.3
Thermo & Levels
PWAT1.62 in
0–3 km LR4.1 °C/km
700–500 LR6.0 °C/km
Total Totals48.3
LCL963 hPa
LFC979 hPa
EL979 hPa
Freezing Lvl13,576 ft