Severe Thunderstorm Watch 10:00 PM

McKenzie, Tennessee

Last updated: 9:25 PM CDT  ·  Refresh
26°C
Feels like 29°
Clear
▲ 31°  /  ▼ 19°
Wind
5 mph NNE
Humidity
79%
Dew Point
23°
Pressure
29.47 inHg
Visibility
8 mi
UV Index
0.0
Cloud Cover
2%
Sunrise
6:16 AM
Sunset
7:37 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: McKenzie is currently clear at 26°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1499 J/kg) — isolated convective development possible. Sunrise: 6:16AM · Sunset: 7:37PM.

Alerts

Severe Thunderstorm Watch
Expires 10:00 PM
53 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
8%
10 PM
25°
16%
11 PM
24°
16%
12 AM
23°
7%
1 AM
22°
3%
2 AM
21°
3%
3 AM
21°
3%
4 AM
21°
3%
5 AM
19°
3%
6 AM
19°
3%
7 AM
20°
3%
8 AM
22°
3%
9 AM
24°
3%
10 AM
26°
3%
11 AM
27°
3%
12 PM
28°
3%
1 PM
31°
3%
2 PM
31°
3%
3 PM
31°
3%
4 PM
32°
3%
5 PM
31°
3%
6 PM
30°
3%
7 PM
29°
3%
8 PM
28°
3%
7-Day Forecast
Tonight
31° 19°
Clear.
Fri
32° 19°
Clear.
Sat
35° 18°
Mostly Clear.
Sun
34° 18°
Clear with a 58% chance of rain.
Mon
33° 19°
Rain, 72% chance.
Tue
36° 20°
Drizzle, 70% chance.
Wed
36° 21°
Drizzle, 52% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Clear 8% 5 mph NNE 79%
10 PM 25° Clear 16% 7 mph NE 82%
11 PM 24° Mostly Clear 16% 6 mph NE 84%
12 AM 23° Partly Cloudy 7% 4 mph NE 88%
1 AM 22° Partly Cloudy 3% 4 mph NE 91%
2 AM 21° Partly Cloudy 3% 4 mph NNE 94%
3 AM 21° Partly Cloudy 3% 4 mph NNE 95%
4 AM 21° Mostly Clear 3% 4 mph N 94%
5 AM 19° Mostly Clear 3% 4 mph N 94%
6 AM 19° Mostly Clear 3% 5 mph NNE 94%
7 AM 20° Mostly Clear 3% 5 mph NNE 91%
8 AM 22° Clear 3% 6 mph NNE 82%
9 AM 24° Clear 3% 6 mph NNE 74%
10 AM 26° Clear 3% 6 mph N 67%
11 AM 27° Clear 3% 6 mph N 61%
12 PM 28° Clear 3% 7 mph N 54%
1 PM 31° Clear 3% 7 mph N 50%
2 PM 31° Clear 3% 7 mph N 48%
3 PM 31° Clear 3% 7 mph N 47%
4 PM 32° Clear 3% 7 mph N 48%
5 PM 31° Clear 3% 6 mph N 52%
6 PM 30° Clear 3% 6 mph N 56%
7 PM 29° Clear 3% 5 mph N 60%
8 PM 28° Clear 3% 5 mph N 63%
15-Day Forecast
Today
8/20
Clear
8%
19°
31°
Fri
8/21
Clear
7%
19°
32°
Sat
8/22
Mostly Clear
14%
18°
35°
Sun
8/23
Clear
58%
18°
34°
Mon
8/24
Rain
72%
19°
33°
Tue
8/25
Drizzle
70%
20°
36°
Wed
8/26
Drizzle
52%
21°
36°
Thu
8/27
Clear
31%
18°
36°
Fri
8/28
Drizzle
68%
20°
37°
Sat
8/29
Drizzle
68%
19°
37°
Sun
8/30
Rain
64%
19°
34°
Mon
8/31
Drizzle
60%
22°
36°
Tue
9/1
Drizzle
60%
21°
35°
Wed
9/2
Drizzle
60%
21°
36°
Thu
9/3
Drizzle
60%
21°
36°
53
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
53 AQI 10.1 µg/m³
O3
Ground-level ozone
40 AQI 44 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 53 Moderate 40 53
Sat 38 Good 38 35
Sun 39 Good 39 39
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 Fri Aug 21, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1559 J/kg
MLCAPE1694 J/kg
MUCAPE2239 J/kg
SBCIN-99 J/kg
MLCIN-26 J/kg
Lifted Index-3.8
Kinematics
0–6 km Shear26 kt
0–1 km Shear6 kt
Eff. Shear30 kt
0–1 km SRH-12
0–3 km SRH48
Eff. SRH48
Storm Motion337° @ 22 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.3
Supercell1.6
K-Index13.6
Thermo & Levels
PWAT1.32 in
0–3 km LR5.6 °C/km
700–500 LR5.7 °C/km
Total Totals43.2
LCL948 hPa
LFC855 hPa
EL173 hPa
Freezing Lvl15,909 ft