Extreme Heat Warning — Stewart, TN, Montgomery, TN, Houston, TN, Humphreys, TN, Dickson, TN, Perry, TN, Hickman, TN, Lewis, TN, Wayne, TN, Lawrence, TN 8:00 PM

Lewis County, Middle Tennessee, Tennessee, 38462, United States

Last updated: 3:20 AM CDT  ·  Refresh
23°C
Feels like 27°
Mostly Cloudy
▲ 33°  /  ▼ 24°
Wind
4 mph W
Humidity
92%
Dew Point
23°
Pressure
28.98 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
77%
Sunrise
5:54 AM
Sunset
7:57 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Lewis County is currently mostly cloudy at 24°C. Precipitation is likely — peak probability 79% around 6 AM. Atmospheric instability is elevated (CAPE up to 3295 J/kg) — isolated convective development possible. Sunrise: 5:54AM · Sunset: 7:57PM.

Alerts

Extreme Heat Warning
Stewart, TN, Montgomery, TN, Houston, TN, Humphreys, TN, Dickson, TN, Perry, TN, Hickman, TN, Lewis, TN, Wayne, TN, Lawrence, TN
Expires 8:00 PM
40 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
65%
4 AM
23°
75%
5 AM
22°
76%
6 AM
22°
79%
7 AM
22°
63%
8 AM
23°
45%
9 AM
25°
35%
10 AM
27°
40%
11 AM
28°
41%
12 PM
29°
42%
1 PM
32°
51%
2 PM
33°
56%
3 PM
33°
62%
4 PM
33°
39%
5 PM
33°
39%
6 PM
32°
31%
7 PM
31°
20%
8 PM
30°
20%
9 PM
27°
20%
10 PM
27°
21%
11 PM
27°
21%
12 AM
27°
11%
1 AM
27°
5%
2 AM
26°
5%
7-Day Forecast
Today
33° 24°
Rain, 79% chance.
Tue
37° 24°
Mostly Clear with a 51% chance of rain.
Wed
33° 19°
Partly Cloudy with a 61% chance of rain.
Thu
28° 18°
Clear with a 37% chance of rain.
Fri
28° 18°
Rain, 64% chance.
Sat
29° 19°
Rain, 90% chance.
Sun
28° 19°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Mostly Cloudy 65% 4 mph W 92%
4 AM 23° Rain 75% 5 mph NNW 94%
5 AM 22° Rain 76% 4 mph NNE 96%
6 AM 22° Rain 79% 4 mph S 97%
7 AM 22° Overcast 63% 5 mph SW 96%
8 AM 23° Mostly Cloudy 45% 4 mph SW 92%
9 AM 25° Mostly Cloudy 35% 4 mph SW 87%
10 AM 27° Partly Cloudy 40% 5 mph SW 83%
11 AM 28° Mostly Clear 41% 5 mph WSW 78%
12 PM 29° Mostly Clear 42% 6 mph WSW 75%
1 PM 32° Mostly Clear 51% 6 mph W 72%
2 PM 33° Mostly Clear 56% 6 mph W 69%
3 PM 33° Partly Cloudy 62% 5 mph WNW 67%
4 PM 33° Mostly Clear 39% 4 mph WNW 67%
5 PM 33° Mostly Clear 39% 3 mph WNW 72%
6 PM 32° Mostly Clear 31% 3 mph WSW 79%
7 PM 31° Partly Cloudy 20% 2 mph SW 84%
8 PM 30° Partly Cloudy 20% 3 mph SW 86%
9 PM 27° Partly Cloudy 20% 3 mph SSW 88%
10 PM 27° Partly Cloudy 21% 4 mph SSW 88%
11 PM 27° Partly Cloudy 21% 4 mph SSW 89%
12 AM 27° Partly Cloudy 11% 4 mph SSW 90%
1 AM 27° Partly Cloudy 5% 5 mph SSW 90%
2 AM 26° Partly Cloudy 5% 5 mph SSW 90%
15-Day Forecast
Today
7/27
Rain
79%
24°
33°
Tue
7/28
Mostly Clear
51%
24°
37°
Wed
7/29
Partly Cloudy
61%
19°
33°
Thu
7/30
Clear
37%
18°
28°
Fri
7/31
Rain
64%
18°
28°
Sat
8/1
Rain
90%
19°
29°
Sun
8/2
Rain
63%
19°
28°
Mon
8/3
Rain
69%
19°
31°
Tue
8/4
Rain
68%
21°
33°
Wed
8/5
Drizzle
51%
21°
33°
Thu
8/6
Drizzle
60%
22°
34°
Fri
8/7
Drizzle
60%
22°
34°
Sat
8/8
Drizzle
60%
22°
34°
Sun
8/9
Drizzle
60%
22°
33°
Mon
8/10
Drizzle
60%
21°
33°
40
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
40 AQI 7.3 µg/m³
O3
Ground-level ozone
31 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 40 Good 31 40
Tue 49 Good 30 49
Wed 44 Good 33 44
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 Mon Jul 27, 07:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE840 J/kg
MLCAPE417 J/kg
MUCAPE840 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-3.8
Kinematics
0–6 km Shear31 kt
0–1 km Shear16 kt
Eff. Shear32 kt
0–1 km SRH-104
0–3 km SRH-91
Eff. SRH-91
Storm Motion278° @ 26 kt
0–1 km EHI-0.5
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index39.4
Thermo & Levels
PWAT2.17 in
0–3 km LR4.7 °C/km
700–500 LR6.1 °C/km
Total Totals49.0
LCL967 hPa
LFC981 hPa
EL196 hPa
Freezing Lvl14,629 ft