Louisville, Tennessee

Last updated: 11:33 PM CDT  ·  Refresh
18°C
Feels like 19°
Mostly Cloudy
▲ 19°  /  ▼ 13°
Wind
4 mph NE
Humidity
95%
Dew Point
17°
Pressure
28.91 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
78%
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 12 AM. Sunrise: 7:39AM · Sunset: 7:05PM.

Alerts

No active alerts for this location.
37 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
18°
81%
1 AM
18°
58%
2 AM
18°
43%
3 AM
18°
64%
4 AM
18°
64%
5 AM
17°
49%
6 AM
16°
65%
7 AM
16°
63%
8 AM
16°
42%
9 AM
16°
56%
10 AM
16°
59%
11 AM
16°
54%
12 PM
16°
49%
1 PM
16°
57%
2 PM
18°
48%
3 PM
18°
57%
4 PM
18°
57%
5 PM
18°
40%
6 PM
19°
39%
7 PM
18°
31%
8 PM
18°
27%
9 PM
18°
27%
10 PM
17°
26%
11 PM
17°
23%
7-Day Forecast
Today
19° 13°
Overcast with a 81% chance of rain.
Mon
28° 13°
Mostly Clear.
Tue
31° 14°
Clear.
Wed
32° 17°
Mostly Clear.
Thu
31° 17°
Clear.
Fri
29° 11°
Mostly Clear with a 32% chance of rain.
Sat
18° 2°
Clear with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 18° Mostly Cloudy 81% 4 mph NE 95%
1 AM 18° Mostly Cloudy 58% 3 mph NE 96%
2 AM 18° Mostly Cloudy 43% 3 mph NE 96%
3 AM 18° Mostly Cloudy 64% 2 mph W 96%
4 AM 18° Mostly Cloudy 64% 3 mph WSW 96%
5 AM 17° Mostly Cloudy 49% 5 mph WSW 96%
6 AM 16° Overcast 65% 5 mph WSW 95%
7 AM 16° Overcast 63% 6 mph SW 94%
8 AM 16° Mostly Cloudy 42% 6 mph SW 93%
9 AM 16° Mostly Cloudy 56% 8 mph SW 91%
10 AM 16° Overcast 59% 9 mph SW 90%
11 AM 16° Mostly Cloudy 54% 9 mph SW 90%
12 PM 16° Overcast 49% 10 mph SW 91%
1 PM 16° Overcast 57% 10 mph SW 91%
2 PM 18° Overcast 48% 10 mph SW 89%
3 PM 18° Overcast 57% 10 mph WSW 88%
4 PM 18° Overcast 57% 10 mph WSW 88%
5 PM 18° Overcast 40% 10 mph WSW 88%
6 PM 19° Overcast 39% 9 mph WSW 89%
7 PM 18° Overcast 31% 8 mph WSW 90%
8 PM 18° Overcast 27% 8 mph WSW 91%
9 PM 18° Mostly Cloudy 27% 8 mph WSW 92%
10 PM 17° Mostly Cloudy 26% 7 mph WSW 92%
11 PM 17° Mostly Cloudy 23% 7 mph WSW 93%
15-Day Forecast
Today
10/11
Overcast
81%
13°
19°
Mon
10/12
Mostly Clear
13%
13°
28°
Tue
10/13
Clear
3%
14°
31°
Wed
10/14
Mostly Clear
15%
17°
32°
Thu
10/15
Clear
19%
17°
31°
Fri
10/16
Mostly Clear
32%
11°
29°
Sat
10/17
Clear
31%
2°
18°
Sun
10/18
Mostly Clear
34%
1°
14°
Mon
10/19
Partly Cloudy
15%
1°
18°
Tue
10/20
Overcast
19%
3°
21°
Wed
10/21
Drizzle
60%
5°
23°
Thu
10/22
Clear
60%
7°
22°
Fri
10/23
Drizzle
60%
7°
21°
Sat
10/24
Clear
60%
6°
22°
Sun
10/25
Drizzle
60%
7°
22°
37
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
17 AQI 3.0 µg/m³
O3
Ground-level ozone
Dominant
37 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 37 Good 37 17
Mon 30 Good 30 9
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Sun Oct 11, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE10 J/kg
MUCAPE191 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index3.3
Kinematics
0–6 km Shear69 kt
0–1 km Shear26 kt
Eff. Shear28 kt
0–1 km SRH229
0–3 km SRH305
Eff. SRH103
Storm Motion197° @ 41 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.3
K-Index36.8
Thermo & Levels
PWAT1.54 in
0–3 km LR4.1 °C/km
700–500 LR5.7 °C/km
Total Totals47.3
LCL960 hPa
LFC—
EL—
Freezing Lvl13,924 ft